dlitz/pycrypto — pull request #27 by Legrandin (2012-11-11 22:25:48+00:00)
Title: Add blinding to ElGamal decryption.

The ElGamal decryption is vulnerable to side channel attacks as the one described here:

http://blog.cryptographyengineering.com/2012/10/attack-of-week-cross-vm-timing-attacks.html

This patch adds randomized blinding to all decryptions, similarly to RSA.