Gary wrote:
Nathan Rixham wrote:
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
Err.. why, if you don't mind me asking?
because MCRYPT_RIJNDAEL_128 is the implementation of AES and if you use
a 16 bit key you get AES 128, a 32 bit key and you get AES 256 :)
after a quick google for "php aes 256", I'd point you to this:
http://www.chilkatsoft.com/p/php_aes.asp
which explains all
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