Re: libmcrypt usage

From:	Nathan Rixham	Date:	Thu, 16 Sep 2010 12:59:33 +0000
Subject:	Re: libmcrypt usage
References:	1	Groups:	php.general
Request:	Send a blank email to php-general+get-308115@lists.php.net to get a copy of this message

Gary wrote:

Can anyone tell me what the equivalent to the following command line usage of openssl is, in php using the mcrypt_* functions, please: ,---- | openssl enc -e -aes-256-cbc -k <some key> ... `---- TIA. I tried ,----
|         $iv = mcrypt_create_iv(mcrypt_get_block_size(MCRYPT_RIJNDAEL_256,
|                                                      MCRYPT_MODE_CBC),
|                                MCRYPT_DEV_RANDOM);
|         $encryptedData = mcrypt_cbc(MCRYPT_RIJNDAEL_256
|                                     ,$passphrase
|                                     ,$data
|                                     ,MCRYPT_ENCRYPT
|                                     ,$iv);
`----

use MCRYPT_RIJNDAEL_128 use an iv that's 32 bytes long (not 16)