[Swan-commit] Changes to ref refs/heads/master

[Andrew Cagney]

New commits:
commit f7c4a39073a902d0fecad6ed06b70a3a49b61109
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Dec 4 14:05:36 2017 -0500

    ikev2 crypto: add initial AES_XCBC implementation, enable with USE_XCBC
    
    Passes all the tests found in the RFCs and can interop with self.
    However, does not interop with strongswan :-(