Please update pycrypto to 2.4.1. Reproducible: Always
dev-python/pycrypto-2.4.1 has been available in Progress Overlay since 2011-11-05.
17 Dec 2011; Maxim Koltsov <maksbotan@gentoo.org> +pycrypto-2.4.1.ebuild: Bump to 2.4.1, bug 362763 is present no more