New optimized AES code

Florian Weimer
Fri May 25 14:00:01 2001

Werner Koch <> writes:

> On Fri, 19 May 2000, Julius C. Duque wrote:
> > Any chance of using this version instead in the next
> > release of gpg?
> You won't notice the speedup because in most setups the public key
> cryptography part consumes all the time. AES is already much faster
> than the other algorithms so that I consider that not to be an
> urgent task.
The time spent in symmetric encryption grows with the length of the encrypted data, while the time required for public key cryptography is constant. Depending on the scope of optimization (i.e. if it's not for key setup only), it might still be a considerable win for some people.