note 99263 added to ref.mcrypt

From: Date: Fri, 06 Aug 2010 17:30:12 +0000
Subject: note 99263 added to ref.mcrypt
Groups: php.notes 
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This works completely with mysql aes, even long keys. function mysql_aes_decrypt($val,$ky) { $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; for($a=0;$a<strlen($ky);$a++) $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a])); $mode = MCRYPT_MODE_ECB; $enc = MCRYPT_RIJNDAEL_128; $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) ); return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null)); } function mysql_aes_encrypt($val,$ky) { $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; for($a=0;$a<strlen($ky);$a++) $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a])); $mode=MCRYPT_MODE_ECB; $enc=MCRYPT_RIJNDAEL_128; $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16))); return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM)); } ---- Server IP: 69.147.83.197 Probable Submitter: 74.95.90.234 ---- Manual Page -- http://www.php.net/manual/en/ref.mcrypt.php Edit -- https://master.php.net/note/edit/99263 Del: integrated -- https://master.php.net/note/delete/99263/integrated Del: useless -- https://master.php.net/note/delete/99263/useless Del: bad code -- https://master.php.net/note/delete/99263/bad+code Del: spam -- https://master.php.net/note/delete/99263/spam Del: non-english -- https://master.php.net/note/delete/99263/non-english Del: in docs -- https://master.php.net/note/delete/99263/in+docs Del: other reasons-- https://master.php.net/note/delete/99263 Reject -- https://master.php.net/note/reject/99263 Search -- https://master.php.net/manage/user-notes.php

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