[PATCH] rijndael: use more compact look-up tables and add table prefetching

[Jussi Kivilinna]

On 2014-12-15 13:29, Werner Koch wrote:
> On Fri, 12 Dec 2014 23:52, jussi.kivilinna at iki.fi said:
> 
>> AMD64 assembly is slower than before because of additional rotation
>> instructions. The generic C implementation is new better optimized and
>> actually faster than before.
> 
> Can you explain why we want a slower implementation of AESNI?  Make
> side-channel attacks harder?
> 

AMD64 assembly implementation is different (rijndael-amd64.S) from
AES-NI implementation (rijndael-aesni.c). AES-NI has not been changed by
this patch and has same performance as before.

-Jussi

> 
> Salam-Shalom,
> 
>    Werner
>