note 26602 added to ref.mcrypt

From: Date: Wed, 06 Nov 2002 13:27:48 +0000
Subject: note 26602 added to ref.mcrypt
Groups: php.notes 
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RELASE 2 Sorry, I've done a critical error : I forgot declare the key in the enc function => everything was encoded but just in base64. Sorry, this is the relase : <? class scrypt { var $key; function gen_key ($pass, $level=30) { for ($i=0; $i<$level; $i++) $mymd[$i]=md5(substr($pass,($i%strlen($pass)),1)); for ($a=0; $a<32; $a++) for ($i=0; $i<$level; $i++) $key.=substr($mymd[$i],$a,1); $this->key=$key; } function enc ($text, $method=1) { # 1=encrypt, 0=decrypt $key=$this->key; if ($method==0) { $key=str_replace("3", "j", str_replace("2", "i", str_replace("1", "h", str_replace("0", "g", $key)))); $key=str_replace("7", "n", str_replace("6", "m", str_replace("5", "l", str_replace("4", "k", $key)))); $key=str_replace("b", "4", str_replace("a", "5", str_replace("9", "6", str_replace("8", "7", $key)))); $key=str_replace("f", "0", str_replace("e", "1", str_replace("d", "2", str_replace("c", "3", $key)))); $key=str_replace("j", "c", str_replace("i", "d", str_replace("h", "e", str_replace("g", "f", $key)))); $key=str_replace("n", "8", str_replace("m", "9", str_replace("l", "a", str_replace("k", "b", $key)))); $text=base64_decode($text); } for ($i=0; $i<strlen($key); $i=$i+2) $d[$i/2]=hexdec(substr($key,$i,2)); for ($i=0, $ntext=""; substr($text, $i, 1) !=""; $i++) $ntext.=chr((ord(substr($text, $i, 1))+$d[($i%strlen($key))])%255); if ($method==1) $ntext=base64_encode($ntext); return ($ntext); } } ?> -- http://www.php.net/manual/en/ref.mcrypt.php http://master.php.net/manage/user-notes.php?action=edit+26602 http://master.php.net/manage/user-notes.php?action=delete+26602 http://master.php.net/manage/user-notes.php?action=reject+26602

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