Add bit-sliced AES x86_64 assembler, see http://homes.esat.kuleuven.be/~ekasper/#software for background information. It's not integrated into build system yet.

http://crypto.stanford.edu/vpaes/ for background information.
It's not integrated into build system yet.

modes/ccm128.c: minor branch optimization.

of "big" processors is unaffected).

Make sure crypto.h is included first in any affected files.

for more details.

ghash-x86.pl.

system.

Modest improvement coefficients mean that code already had some
parallelism and there was not very much room for improvement. Special
thanks to Ted Krovetz for benchmarking the code with such patience.