[pycrypto] _RSA.py and generate_py

[Dwayne C. Litzenberger]

On Wed, May 27, 2009 at 09:50:07PM -0700, Anthony Honstain wrote:
>In the generate_py function of lib/Crypto/PublicKey/_RSA.py , it would
>appear to be possible that the the primes p and q can be generated such that
>the GCD( 65537, (p-1)(q-1)) != 1 which would result in a unusable key. If
>anyone can clarify this it would be greatly appreciated.

I haven't looked into this claim yet, but I've filed a bug report:

     https://bugs.launchpad.net/pycrypto/+bug/408660

Note that we'll also have to check _fastmath.c, which might use a different 
algorithm.

-- 
Dwayne C. Litzenberger <dlitz at dlitz.net>
  Key-signing key   - 19E1 1FE8 B3CF F273 ED17  4A24 928C EC13 39C2 5CF7
  Annual key (2008) - 4B2A FD82 FC7D 9E38 38D9  179F 1C11 B877 E780 4B45