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<H1>[pycrypto] Any progress with pycrypto 2.7?</H1>
<B>Dwayne Litzenberger</B>
<A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20Any%20progress%20with%20pycrypto%202.7%3F&In-Reply-To=%3C20140222043409.GA26458%40rivest.dlitz.net%3E"
TITLE="[pycrypto] Any progress with pycrypto 2.7?">dlitz at dlitz.net
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<I>Fri Feb 21 20:34:09 PST 2014</I>
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<PRE>For reference, here are the relevant bugs and/or pull requests, where
discussion is taking place. I've added comments to all three.
><i>1) Hard crash on recent recent Intel CPUs (due gcc and AESNI)
</I>
<A HREF="https://github.com/dlitz/pycrypto/pull/62">https://github.com/dlitz/pycrypto/pull/62</A>
><i>2) Potential DoS when importing an RSA key (segfault of the interpreter)
</I>
I assume you mean the floating-point exception that occurs when you pass
an even modulus to RSA.construct?
<A HREF="https://bugs.launchpad.net/pycrypto/+bug/1193521">https://bugs.launchpad.net/pycrypto/+bug/1193521</A>
<A HREF="https://github.com/dlitz/pycrypto/pull/50">https://github.com/dlitz/pycrypto/pull/50</A>
On pull request #50 ("Add checks to verify correctness of
RSA/DSA/ElGamal keys"), it would be helpful if others could chime in
about the potential for leaking private keys via timing side-channels.
><i>3) Silent, incorrect HMAC construction for SHA-2
</I>
<A HREF="https://bugs.launchpad.net/pycrypto/+bug/1209399">https://bugs.launchpad.net/pycrypto/+bug/1209399</A>
<A HREF="https://github.com/dlitz/pycrypto/pull/57">https://github.com/dlitz/pycrypto/pull/57</A>
--
Dwayne C. Litzenberger <<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">dlitz at dlitz.net</A>>
OpenPGP: 19E1 1FE8 B3CF F273 ED17 4A24 928C EC13 39C2 5CF7
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