[-SPAM-] Re: Can you keep a secret? This encrypted drive can...

Brian Gladman brg at gladman.plus.com
Mon Dec 4 08:32:22 EST 2006


David Johnston wrote:
> Jon Callas wrote:
>>
>>
>> Moreover, AES-256 is 20-ish percent slower than AES-128. 
> Compared to AES-128, AES-256 is 140% of the rounds to encrypt 200% as
> much data. So when implemented in hardware, AES-256 is substantially
> faster.

AES-256 does not encrypt any more data per round than AES-128.

My guess is that you are thinking about Rijndael with a 256 bit block
and a 256 bit key.

  Brian Gladman

---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo at metzdowd.com



More information about the cryptography mailing list