simon-svn: putty: simon

[Commits to Tartarus CVS repository.]

SVN root:       svn://svn.tartarus.org/sgt
Changes by:     simon
Revision:       9987
Date:           2013-08-04 20:33:53 +0100 (Sun, 04 Aug 2013)

Log message (4 lines):
More consistently defend against division by zero with assertions. We
now check that all the modular functions (modpow, modinv, modmul,
bigdivmod) have zero moduli, and that modinv also has a nonzero thing
to try to invert.

Modified files:
U   putty/sshbn.c

Links:
http://svn.tartarus.org/sgt/?rev=9987&view=rev
http://svn.tartarus.org/sgt/putty/sshbn.c?rev=9987&r1=9986&r2=9987