ietf-openpgp
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Re: Power function PGP math library?

2005-06-17 04:24:30

hal(_at_)finney(_dot_)org ("Hal Finney") writes:

I have to say that I think there are better choices for math libraries these
days than that old code.  gmp, crypto++ and openssl are three that I have
used and are good quality.  I've also heard good things about libtommath.
You can find more about any of these via google.

Some thoughts:

gmp,

Needs GNU-everything-else in order to build, a problem if you're targetting
multiple platforms and need to use non-GNU tools (e.g. VC++).

crypto++

Extreme C++, both in the code style and the requirements it places on
compilers.

openssl

The code is the crypto equivalent of Heathrow Airport.

libtommath

Very nice, although it suffers the no-visible-means-of-support problem that
killed the earlier (and equally nice) bnlib: What happens if the author gets
tired of maintaining it?

Peter.


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