note 34148 added to function.mhash-keygen-s2k
| From: | php_at_share-foo dot com at rack1 dot php dot net | Date: | Thu, 17 Jul 2003 04:18:53 +0000 |
| Subject: | note 34148 added to function.mhash-keygen-s2k | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-52248@lists.php.net to get a copy of this message | ||
// given random 8 bits of salt and a clear text password
$clear_pw = "p4ssw0rd" ;
$rand8bites4salt = substr(pack("h*", md5(mt_rand())) , 0, 8);
// This
mhash_keygen_s2k(MHASH_MD5, $clear_pw, $rand8bites4salt, 4) ;
//is the same as this
function myhash_keyge_s2k($pass, $salt, $bytes ){
return substr(pack("H*", md5($salt . $pass)), 0, $bytes);
}
myhash_keyge_s2k($clear_pw, $rand8bites4salt, 4);
// But the latter doesn't require mhash libs.
// -ray ferguson
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Manual Page -- http://www.php.net/manual/en/function.mhash-keygen-s2k.php
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