note 65315 added to function.mcrypt-cbc

From: Date: Fri, 28 Apr 2006 15:44:38 +0000
Subject: note 65315 added to function.mcrypt-cbc
Groups: php.notes 
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Here is a post similar to the one above, except this works for AES256 256 bit key and 128 bit block size... just make sure the $key variable is at least 48 characters long ---- PERL --- my $key = '12345678901234567890123456789012345678901234567890'; my $CC = '4007000000027'; # You need Crypt::Rijndael installed for this to work use Crypt::CBC; my $cipher = Crypt::CBC->new( {'key' => substr($key,0,32), 'cipher'=> 'Rijndael', 'iv' => substr($key,32,16), 'regenerate_key' => 0, 'padding' => 'null', 'prepend_iv' => 0 }); my $encrypted = $cipher->encrypt($CC); print "encrypted : ".$encrypted."\n"; print "decrypted : ".$cipher->decrypt($encrypted)."\n"; --- PHP --- $key = '123456789012345678901234567890123456789012345678901234567890'; $CC = '4007000000027'; $encrypted = mcrypt_cbc(MCRYPT_RIJNDAEL_128,substr($key,0,32) ,$CC,MCRYPT_ENCRYPT,substr($key,32,16)); $decrypted = mcrypt_cbc(MCRYPT_RIJNDAEL_128,substr($key,0,32) ,$encrypted,MCRYPT_DECRYPT,substr($key,32,16)); echo "encrypted : ".bin2hex($encrypted); ---- Server IP: 66.163.161.117 Probable Submitter: 65.162.166.20 ---- X-Spam-Status: No, hits=3.1 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/function.mcrypt-cbc.php Edit -- http://master.php.net/note/edit/65315 Del: integrated -- http://master.php.net/note/delete/65315/integrated Del: useless -- http://master.php.net/note/delete/65315/useless Del: bad code -- http://master.php.net/note/delete/65315/bad+code Del: spam -- http://master.php.net/note/delete/65315/spam Del: non-english -- http://master.php.net/note/delete/65315/non-english Del: in docs -- http://master.php.net/note/delete/65315/in+docs Del: other reasons-- http://master.php.net/note/delete/65315 Reject -- http://master.php.net/note/reject/65315 Search -- http://master.php.net/manage/user-notes.php

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