PHP Decode

--TEST--
openssl_spki_verify() tests for valid signature
--INI--
error_reporting=0
--EXTENSIONS--
openssl
--FILE--
<?php

/* array of private key sizes to test */
$key_sizes = array(1024, 2048, 4096);
$pkeys = array();
foreach ($key_sizes as $key_size) {
    $key_file = "file://" . __DIR__ . "/private_rsa_" . $key_size . ".key";
    $pkeys[] = openssl_pkey_get_private($key_file);
}


/* array of available hashings to test */
$algo = array(
    OPENSSL_ALGO_SHA256,
    OPENSSL_ALGO_SHA384,
    OPENSSL_ALGO_SHA512,
);

/* loop over key sizes for test */
foreach ($pkeys as $pkey) {

    /* loop to create and verify results */
    foreach ($algo as $value) {
        $spkac = openssl_spki_new($pkey, _uuid(), $value);
        var_dump(openssl_spki_verify(preg_replace('/SPKAC=/', '', $spkac)));
        var_dump(openssl_spki_verify($spkac . 'Make it fail'));
    }
}

/* generate a random challenge */
function _uuid() {
    return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x', mt_rand(0, 0xffff),
        mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0x0fff) | 0x4000,
        mt_rand(0, 0x3fff) | 0x8000, mt_rand(0, 0xffff),
        mt_rand(0, 0xffff), mt_rand(0, 0xffff));
}


?>
--EXPECT--
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)
bool(false)