Re: SHA-512 and 128-bit integers

From: Tom St Denis (tomstdenis_at_yahoo.com)
Date: 04/29/03 

Date: 29 Apr 2003 14:25:00 -0700

William Ahern <william@wilbur.25thandClement.com> wrote in message news:<gsl2o-c8e.ln1@wilbur.25thandClement.com>...
> Tom St Denis <tomstdenis@yahoo.com> wrote:
> > Ken Very Big Liar <kellydeanbeard@hotmail.com> wrote in message news:<3a0tavkqthnt51j2kniv2a5u8gok5cq7p1@4ax.com>...
> >> Ok, does anyone have a good solution to using 128-bit integers on 32 bit
> >> machines? The Linux Pent III that I'm using to develop the different SHAs
> >> supports the C type "long long", which is a 64-bit type, but there is no support
> >> for 128-bit integers. Probably because there is no machine code for this, I'm
> >> not sure.
> >
> > SHA doesn't require 128-bit data types.
> >
> >> I noticed that the even Tom's crypt library sidesteps this issue by hoping that
> >> you won't be using huge data sets.
> >
> > That could be one explanation. Another could be you're completely
> > wrong and falsely defaming others?
> >
> > As for the general question to bignums why not use a bignum library,
> > such as oh, um, I dunno, LibTomMath!!!
>
> I'm curious (not making accusations), is not LibTomMath just this--
> http://thayer.dartmouth.edu/~sting/mpi/-- renamed to LibTomMath?

Um.... no?

What purpose would that serve for me to rename his code than release
it?

I'd suggest you actually look *inside* the package before making such
claims. And its not like I'm ultra secretive. The code has been on
the web for four months plus I've ranted about it here quite a bit!

Tom