Simple Python elliptic curves and ECDSA
 From: Peter Pearson <ppearson@xxxxxxxxxxxxxxx>
 Date: Tue, 24 Jan 2006 16:38:57 0800
For study, I've implemented ECDSA in Python, and made
that and the underlying ellipticcurve module available
without restriction. For simplicity, only curves over
GF(p) are implemented, those being the curves blessed
by NSA's "Suite B" announcement. Also for simplicity,
I omitted everything having to do with curve generation,
since one can simply use guaranteedgood curves
published by NIST. I chose readability and clean
interfaces over speed, so you wouldn't want to build
a system around this code, but it might have
educational value, particularly showing the joys of
working in a group where every element (but one) has
a known, huge order.
http://webpages.charter.net/curryfans/peter/downloads.html

Peter Pearson
To get my email address, substitute:
nowhere > spamcop, invalid > net
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