PR: 2094,2095

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

Better fix for PR#2144

don't suffer from the problem after Win64 SEH support was added.
PR: 2075
Submitted by: Peter Klotz

Submitted by: steve@openssl.org

Fix DTLS connection so new_session is reset if we read second client hello:
new_session is used to detect renegotiation.

Submitted by: steve@openssl.org

Add missing DTLS state strings.

Submitted by: steve@openssl.org

Fix bug in 0.9.8-stable time handling in ca.c . NB: this only handles cases
where times are not being checked or printed properly. Issues relating to
time_t becoming negative or wrapping around are *NOT* addressed. OpenSSL
1.0.0 and later does fix these issues by using its own time routines.

Although it will be many years before TLS v2.0 or later appears old versions
of servers have a habit of hanging around for a considerable time so best
if we handle this properly now.

stops applications that call CRYPTO_free_all_ex_data() prematurely leaking
memory.

1. Send SCSV is not renegotiating, never empty RI.
2. Send RI if renegotiating.

[from HEAD].
PR: 2094,2095

PR: 2086

1. Add provisional SCSV value.
2. Don't send SCSV and RI at same time.
3. Fatal error is SCSV received when renegotiating.

Submitted by: steve

Fix bundled pod2man.pl to handle alternative comment formats.

MCSV is now called SCSV.

Don't send SCSV if renegotiating.

Also note if RI is empty in debug messages.

Add Triple DES CFB1 and CFB8 to algorithm list and NID translation.

RI.

Initial secure renegotiation documentation.

Submitted by: Jan Pechanec <Jan.Pechanec@Sun.COM>

Check for memory allocation failures.

Change RI ctrl so it doesn't clash.

Fix SSL_CIPHER initialiser for mcsv

work in SSLv3: initial handshake has no extensions but includes MCSV, if
server indicates RI support then renegotiation handshakes include RI.

NB: current MCSV value is bogus for testing only, will be updated when we
have an official value.

Change mismatch alerts to handshake_failure as required by spec.

Also have some debugging fprintfs so we can clearly see what is going on
if OPENSSL_RI_DEBUG is set.

Submitted by: Martin Olsson <molsson@opera.com>

Check for bn_wexpand errors in bn_mul.c

Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Add Renegotiation extension to DTLS, fix DTLS ClientHello processing bug.