tests and POST code.

Add abbreviated DRBG KAT for POST which only performs a single generate
operations instead of four.

produce an error (CVE-2011-3207)

Submitted by: Adam Langley

one shorter KAT per mechanism.

Test PR and no PR and test initial generate before the reseed too.

Move selftest data to separate fips_drbg_selftest.h header file.

platforms. Thanks to Shayne Murray <Shayne.Murray@Polycom.com> for
reporting this issue.

Submitted by: Doug Goldstein <cardoe@gentoo.org>
Reviewed by: steve

Include header file stdlib.h which is needed on some platforms to get
getenv() declaration.

Submitted by: "Mauro H. Leggieri" <mxmauro@caiman.com.ar>
Reviewed by: steve

Stop warnings if OPENSSL_NO_DGRAM is defined.

Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS buffering and decryption bug.

Submitted by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Reviewed by: steve

Initialise p pointer.

Submitted by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Reviewed by: steve

Close file pointer.

Submitted by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Reviewed by: steve

Zero structure fields properly.

Submitted by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Reviewed by: steve

Fix brace mismatch.