PR: 3139

Improve decrypt performance by 10-20% depending on platform. Thanks
to Jussi Kivilinna for providing valuable hint. Also thanks to Ard
Biesheuvel.

Suggested by: Ard Biesheuvel

Submitted by: Ard Biesheuvel

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Add support for key wrap algorithms via EVP interface.

Generalise AES wrap algorithm and add to modes, making existing
AES wrap algorithm a special case.

Move test code to evptests.txt

PR: 3074

PR: 3042

Submitted by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Contributor claims ~50% improvement in CTR and ~9% in CBC decrypt
on Cortex-A15.

Give CBC decrypt approximately same treatment as to CTR and collect 25%.

Based on suggestions from Shay Gueron and Vlad Krasnov.
PR: 3021

PR: 2963 and a number of others

vpaes-x86_64.pl: minor performance squeeze.

vpaes-x86.pl: minor performance squeeze.