mysql> select aes_encrypt('go rdan', 'abc');
+------------------------------+
| aes_encrypt('go rdan', 'abc') |
+------------------------------+
| p§Èb9??_é?0ö?LI Ý |
+------------------------------+
I would like to "emulate" that function in PHP. I know that MySQL AES algorithm
is RIJNDAEL_128 so I tried the following code
<?php
$iv_size = mcrypt_get_iv_s ize(MCRYPT_RIJN DAEL_128, MCRYPT_MODE_CBC );
$iv = mcrypt_create_i v($iv_size, MCRYPT_RAND);
echo mcrypt_ecb (MCRYPT_RIJNDAE L_128, 'abc', 'gordan', MCRYPT_MODE_CBC ,
$iv);
?>
but the encrypted string is different from the MySQL one :-(
and ideas?
thanks,
gordan 1 5174
Gordan wrote: mysql> select aes_encrypt('go rdan', 'abc'); +------------------------------+ | aes_encrypt('go rdan', 'abc') | +------------------------------+ | p§Èb9??_é?0ö?LI Ý | +------------------------------+
I would like to "emulate" that function in PHP. I know that MySQL AES algorithm is RIJNDAEL_128 so I tried the following code <?php $iv_size = mcrypt_get_iv_s ize(MCRYPT_RIJN DAEL_128, MCRYPT_MODE_CBC ); $iv = mcrypt_create_i v($iv_size, MCRYPT_RAND); echo mcrypt_ecb (MCRYPT_RIJNDAE L_128, 'abc', 'gordan', MCRYPT_MODE_CBC , $iv); ?>
but the encrypted string is different from the MySQL one :-( and ideas?
My understanding is that the initialization vector is added to the payload
before encryption - so I've never quite understood why the examples show:
$iv = mcrypt_create_i v($iv_size, MCRYPT_RAND);
So it might be worth trying a null iv.
Other considerations include:
1) how is the key padded to the right length (16 chars)
2) maybe the data is the same - it's just being represented differently
(since it seems to be stored by MySQL in binary format)
HTH
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