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Hash: fix issues with the mode

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This commit is contained in:
terrafrost 2019-03-09 17:08:59 -06:00
parent ca76d3913f
commit 84e2329249
1 changed files with 16 additions and 9 deletions
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25
phpseclib/Crypt/Hash.php
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@ -153,6 +153,15 @@ class Crypt_Hash
*/
var $ipad;
/**
* Engine
*
* @see self::setHash()
* @var string
* @access private
*/
var $engine;
/**
* Default Constructor.
*
@ -228,7 +237,7 @@ class Crypt_Hash
return;
}
switch ($mode) {
switch ($this->engine) {
case CRYPT_HASH_MODE_MHASH:
$this->computedKey = mhash($this->hash, $this->key);
break;
@ -308,18 +317,18 @@ class Crypt_Hash
switch ($hash) {
case 'md2':
$mode = CRYPT_HASH_MODE == CRYPT_HASH_MODE_HASH && in_array('md2', hash_algos()) ?
$this->engine = 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;
$this->engine = CRYPT_HASH_MODE == CRYPT_HASH_MODE_MHASH ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE;
break;
default:
$mode = CRYPT_HASH_MODE;
$this->engine = CRYPT_HASH_MODE;
}
switch ($mode) {
switch ($this->engine) {
case CRYPT_HASH_MODE_MHASH:
switch ($hash) {
case 'md5':
@ -387,10 +396,8 @@ class Crypt_Hash
*/
function hash($text)
{
$mode = is_array($this->hash) ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE;
if (!empty($this->key) || is_string($this->key)) {
switch ($mode) {
switch ($this->engine) {
case CRYPT_HASH_MODE_MHASH:
$output = mhash($this->hash, $text, $this->computedKey);
break;
@ -407,7 +414,7 @@ class Crypt_Hash
$output = call_user_func($this->hash, $output); // step 7
}
} else {
switch ($mode) {
switch ($this->engine) {
case CRYPT_HASH_MODE_MHASH:
$output = mhash($this->hash, $text);
break;