On 5/1/05, Stas Oskin <stas@xxxxxxxxx> wrote:
> I tried the pgcrypto contrib module with the AES default encryption. It
> works pretty nice, but I understand that it's using 128 bit key strength. Is
> there any built-in support for the 256 bit key strength? Or it should be
> used via external libraries?
Key will be upward zero-padded to nearest supported key length.
AES supports 3 key lengths: 128, 192 and 256 bits.
So simply give the encrypt() function 256-bit key.
> AFAIK, the support of mhash and mcrypt was dropped from the recent version
> of the module, so the AES 256 functionality can be only provided by OpenSSL?
Builtin AES supports 256-bit keys too.
--
marko
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