Re: Release 1.1 (beta) of my AES implementation

From: Tom St Denis (tomstdenis_at_iahu.ca)
Date: 06/25/03 

Date: Wed, 25 Jun 2003 16:15:44 GMT

Marin wrote:

>
> Tom St Denis wrote:
> > I still would wave flags at your unions. Not only because I don't
> > trust it but because it honestly is *NOT* faster. When I was porting
> > Rijmen's code to LTC I experimented with various things like that.
>
> Maybe I'm pointing out something you knew anyway, but unions are for
> reducing memory requirements, not for faster code. Computers have so
> much memory these days that most programmers don't bother using them
> anymore.

I knew that. But in this case he is not reducing memory. He is trying
to errnoeously avoid shifting.

[BTW I use unions in LTC, my god people check out my code for three
seconds before commenting on it!]

Tom

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