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Hash: use hash method for sha3 when available

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terrafrost 2018-10-13 07:48:47 -05:00
parent 3df87e8632
commit 39d3ffbeb1
1 changed files with 16 additions and 12 deletions
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28
phpseclib/Crypt/Hash.php
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@ -302,19 +302,23 @@ class Hash
} }
if (in_array(substr($hash, 0, 5), ['sha3-', 'shake'])) { if (in_array(substr($hash, 0, 5), ['sha3-', 'shake'])) {
//preg_match('#(\d+)$#', $hash, $matches); // PHP 7.1.0 introduced support for "SHA3 fixed mode algorithms":
//$this->parameters['capacity'] = 2 * $matches[1]; // 1600 - $this->blockSize // http://php.net/ChangeLog-7.php#7.1.0
//$this->parameters['rate'] = 1600 - $this->parameters['capacity']; // == $this->blockSize if (version_compare(PHP_VERSION, '7.1.0') < 0 || substr($hash, 0,5) == 'shake') {
if (!$this->paddingType) { //preg_match('#(\d+)$#', $hash, $matches);
$this->paddingType = self::PADDING_SHA3; //$this->parameters['capacity'] = 2 * $matches[1]; // 1600 - $this->blockSize
//$this->parameters['rate'] = 1600 - $this->parameters['capacity']; // == $this->blockSize
if (!$this->paddingType) {
$this->paddingType = self::PADDING_SHA3;
}
$this->parameters = [
'capacity' => 1600 - $this->blockSize,
'rate' => $this->blockSize,
'length' => $this->length,
'padding' => $this->paddingType
];
$hash = ['phpseclib\Crypt\Hash', PHP_INT_SIZE == 8 ? 'sha3_64' : 'sha3_32'];
} }
$this->parameters = [
'capacity' => 1600 - $this->blockSize,
'rate' => $this->blockSize,
'length' => $this->length,
'padding' => $this->paddingType
];
$hash = ['phpseclib\Crypt\Hash', PHP_INT_SIZE == 8 ? 'sha3_64' : 'sha3_32'];
} }
if ($hash == 'sha512/224' || $hash == 'sha512/256') { if ($hash == 'sha512/224' || $hash == 'sha512/256') {