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PHP Decode
<?php namespace Elliptic\EC; require_once "\x55\x74\151\x6c\x73\x2e\x70\150\160"; use E..
Decoded Output download
<?php
namespace Elliptic\EC;
require_once "Utils.php";
use Elliptic\Utils;
use BN\BN;
class Signature
{
public $r;
public $s;
public $recoveryParam;
function __construct($ts, $dB = false)
{
if (!$ts instanceof Signature) {
goto aJ;
}
$this->r = $ts->r;
$this->s = $ts->s;
$this->recoveryParam = $ts->recoveryParam;
return;
aJ:
if (!isset($ts["r"])) {
goto U1;
}
assert(isset($ts["r"]) && isset($ts["s"]));
$this->r = new BN($ts["r"], 16);
$this->s = new BN($ts["s"], 16);
if (isset($ts["recoveryParam"])) {
goto aL;
}
$this->recoveryParam = null;
goto r9;
aL:
$this->recoveryParam = $ts["recoveryParam"];
r9:
return;
U1:
if ($this->_importDER($ts, $dB)) {
goto X_;
}
throw new \Exception("Unknown signature format");
X_:
}
private static function getLength($rb, &$pB)
{
$yt = $rb[$pB++];
if ($yt & 0x80) {
goto m5;
}
return $yt;
m5:
$nQ = $yt & 0xf;
$VZ = 0;
$AQ = 0;
Ow:
if (!($AQ < $nQ)) {
goto wo;
}
$VZ = $VZ << 8;
$VZ = $VZ | $rb[$pB];
$pB++;
cc:
$AQ++;
goto Ow;
wo:
return $VZ;
}
private static function rmPadding(&$rb)
{
$AQ = 0;
$Or = count($rb) - 1;
RK:
if (!($AQ < $Or && !$rb[$AQ] && !($rb[$AQ + 1] & 0x80))) {
goto EE;
}
$AQ++;
goto RK;
EE:
if (!($AQ === 0)) {
goto Cx;
}
return $rb;
Cx:
return array_slice($rb, $AQ);
}
private function _importDER($jp, $dB)
{
$jp = Utils::toArray($jp, $dB);
$S0 = count($jp);
$pW = 0;
if (!($jp[$pW++] !== 0x30)) {
goto sc;
}
return false;
sc:
$Or = self::getLength($jp, $pW);
if (!($Or + $pW !== $S0)) {
goto jG;
}
return false;
jG:
if (!($jp[$pW++] !== 0x2)) {
goto Jj;
}
return false;
Jj:
$m9 = self::getLength($jp, $pW);
$YU = array_slice($jp, $pW, $m9);
$pW += $m9;
if (!($jp[$pW++] !== 0x2)) {
goto F_;
}
return false;
F_:
$n4 = self::getLength($jp, $pW);
if (!($S0 !== $n4 + $pW)) {
goto pb;
}
return false;
pb:
$pU = array_slice($jp, $pW, $n4);
if (!($YU[0] === 0 && $YU[1] & 0x80)) {
goto Wl;
}
$YU = array_slice($YU, 1);
Wl:
if (!($pU[0] === 0 && $pU[1] & 0x80)) {
goto xB;
}
$pU = array_slice($pU, 1);
xB:
$this->r = new BN($YU);
$this->s = new BN($pU);
$this->recoveryParam = null;
return true;
}
private static function constructLength(&$Ax, $Or)
{
if (!($Or < 0x80)) {
goto vz;
}
array_push($Ax, $Or);
return;
vz:
$TS = 1 + (log($Or) / M_LN2 >> 3);
array_push($Ax, $TS | 0x80);
gC:
if (!--$TS) {
goto oj;
}
array_push($Ax, $Or >> ($TS << 3) & 0xff);
goto gC;
oj:
array_push($Ax, $Or);
}
public function toDER($dB = false)
{
$YU = $this->r->toArray();
$pU = $this->s->toArray();
if (!($YU[0] & 0x80)) {
goto W3;
}
array_unshift($YU, 0);
W3:
if (!($pU[0] & 0x80)) {
goto wz;
}
array_unshift($pU, 0);
wz:
$YU = self::rmPadding($YU);
$pU = self::rmPadding($pU);
TI:
if (!(!$pU[0] && !($pU[1] & 0x80))) {
goto fb;
}
array_slice($pU, 1);
goto TI;
fb:
$Ax = array(0x2);
self::constructLength($Ax, count($YU));
$Ax = array_merge($Ax, $YU, array(0x2));
self::constructLength($Ax, count($pU));
$MV = array_merge($Ax, $pU);
$Oq = array(0x30);
self::constructLength($Oq, count($MV));
$Oq = array_merge($Oq, $MV);
return Utils::encode($Oq, $dB);
}
}
?>
Did this file decode correctly?
Original Code
<?php
namespace Elliptic\EC;
require_once "\x55\x74\151\x6c\x73\x2e\x70\150\160";
use Elliptic\Utils;
use BN\BN;
class Signature
{
public $r;
public $s;
public $recoveryParam;
function __construct($ts, $dB = false)
{
if (!$ts instanceof Signature) {
goto aJ;
}
$this->r = $ts->r;
$this->s = $ts->s;
$this->recoveryParam = $ts->recoveryParam;
return;
aJ:
if (!isset($ts["\162"])) {
goto U1;
}
assert(isset($ts["\x72"]) && isset($ts["\x73"]));
$this->r = new BN($ts["\x72"], 16);
$this->s = new BN($ts["\163"], 16);
if (isset($ts["\x72\x65\143\x6f\x76\145\x72\171\120\x61\x72\141\x6d"])) {
goto aL;
}
$this->recoveryParam = null;
goto r9;
aL:
$this->recoveryParam = $ts["\162\145\143\157\166\145\162\x79\120\141\x72\x61\155"];
r9:
return;
U1:
if ($this->_importDER($ts, $dB)) {
goto X_;
}
throw new \Exception("\x55\x6e\x6b\x6e\x6f\167\156\x20\x73\151\x67\156\141\164\x75\x72\145\x20\146\157\162\155\x61\x74");
X_:
}
private static function getLength($rb, &$pB)
{
$yt = $rb[$pB++];
if ($yt & 0x80) {
goto m5;
}
return $yt;
m5:
$nQ = $yt & 0xf;
$VZ = 0;
$AQ = 0;
Ow:
if (!($AQ < $nQ)) {
goto wo;
}
$VZ = $VZ << 8;
$VZ = $VZ | $rb[$pB];
$pB++;
cc:
$AQ++;
goto Ow;
wo:
return $VZ;
}
private static function rmPadding(&$rb)
{
$AQ = 0;
$Or = count($rb) - 1;
RK:
if (!($AQ < $Or && !$rb[$AQ] && !($rb[$AQ + 1] & 0x80))) {
goto EE;
}
$AQ++;
goto RK;
EE:
if (!($AQ === 0)) {
goto Cx;
}
return $rb;
Cx:
return array_slice($rb, $AQ);
}
private function _importDER($jp, $dB)
{
$jp = Utils::toArray($jp, $dB);
$S0 = count($jp);
$pW = 0;
if (!($jp[$pW++] !== 0x30)) {
goto sc;
}
return false;
sc:
$Or = self::getLength($jp, $pW);
if (!($Or + $pW !== $S0)) {
goto jG;
}
return false;
jG:
if (!($jp[$pW++] !== 0x2)) {
goto Jj;
}
return false;
Jj:
$m9 = self::getLength($jp, $pW);
$YU = array_slice($jp, $pW, $m9);
$pW += $m9;
if (!($jp[$pW++] !== 0x2)) {
goto F_;
}
return false;
F_:
$n4 = self::getLength($jp, $pW);
if (!($S0 !== $n4 + $pW)) {
goto pb;
}
return false;
pb:
$pU = array_slice($jp, $pW, $n4);
if (!($YU[0] === 0 && $YU[1] & 0x80)) {
goto Wl;
}
$YU = array_slice($YU, 1);
Wl:
if (!($pU[0] === 0 && $pU[1] & 0x80)) {
goto xB;
}
$pU = array_slice($pU, 1);
xB:
$this->r = new BN($YU);
$this->s = new BN($pU);
$this->recoveryParam = null;
return true;
}
private static function constructLength(&$Ax, $Or)
{
if (!($Or < 0x80)) {
goto vz;
}
array_push($Ax, $Or);
return;
vz:
$TS = 1 + (log($Or) / M_LN2 >> 3);
array_push($Ax, $TS | 0x80);
gC:
if (!--$TS) {
goto oj;
}
array_push($Ax, $Or >> ($TS << 3) & 0xff);
goto gC;
oj:
array_push($Ax, $Or);
}
public function toDER($dB = false)
{
$YU = $this->r->toArray();
$pU = $this->s->toArray();
if (!($YU[0] & 0x80)) {
goto W3;
}
array_unshift($YU, 0);
W3:
if (!($pU[0] & 0x80)) {
goto wz;
}
array_unshift($pU, 0);
wz:
$YU = self::rmPadding($YU);
$pU = self::rmPadding($pU);
TI:
if (!(!$pU[0] && !($pU[1] & 0x80))) {
goto fb;
}
array_slice($pU, 1);
goto TI;
fb:
$Ax = array(0x2);
self::constructLength($Ax, count($YU));
$Ax = array_merge($Ax, $YU, array(0x2));
self::constructLength($Ax, count($pU));
$MV = array_merge($Ax, $pU);
$Oq = array(0x30);
self::constructLength($Oq, count($MV));
$Oq = array_merge($Oq, $MV);
return Utils::encode($Oq, $dB);
}
}
Function Calls
None |
Stats
MD5 | ec397adeb74fc14a8d0ec3fb97f0faa3 |
Eval Count | 0 |
Decode Time | 117 ms |