[cryptography] Repeated Encryptions Considered.... ?

James A. Donald jamesd at echeque.com
Sun Jun 19 21:00:59 EDT 2011


On Mon, Jun 20, 2011 at 01:12:19AM +0300, Sampo Syreeni wrote:
>> I mean, wouldn't it be easier to just implement it better, and/or to
>> add to the certification requirements?

On 2011-06-20 8:28 AM, Jack Lloyd wrote:
> If you know of a way to implement AES in a way that is not vulnerable
> to cache-based timing attacks in standard C in a way that is remotely
> efficient

After encrypting each block, or group of blocks, look at the high 
resolution time counter and busy wait till the counter passes a round 
number.




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