- introduce common modes_lcl.h;
- ctr128.c: implement additional CRYPTO_ctr128_encrypt_ctr32 interface;
- gcm128.c: add omitted ARM initialization, remove ctx.ctr;

Submitted By: Ger Hobbelt <ger@hobbelt.com>

Update docs to BIO_f_buffer()

Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix bug in bitmask macros and stop warnings.

Submitted By: "PMHager" <hager@dortmund.net>

Initialise pkey callback to 0.

Submitted By: Ger Hobbelt <ger@hobbelt.com>

Don't overwrite return value with strlen(f).

Submitted By: Artemy Lebedev <vagran.ast@gmail.com>

Typo.

Submitted By: Matthias Andree <matthias.andree@gmx.de>

Use correct path to openssl utility in c_rehash script.

Submitted By: Bruce Stephens <bruce.stephens@isode.com>

Make ts/Makefile consistent with other Makefiles.

ghash-x86*.pl: fix performance numbers for Core2, as it turned out
previous ones were "tainted" by variable clock frequency.

Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix various DTLS fragment reassembly bugs.

Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Don't drop DTLS connection if mac or decryption failed.

Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix DTLS buffer record MAC failure bug.

correct solution to problem addressed in committ #19244.