Add additional DigestInfo checks.

Reencode DigestInto in DER and check against the original: this
will reject any improperly encoded DigestInfo structures.

Note: this is a precautionary measure, there is no known attack
which can exploit this.

Thanks to Brian Smith for reporting this issue.
Reviewed-by: Tim Hudson <tjh@openssl.org>
Add additional explanation to CHANGES entry.

Reviewed-by: Tim Hudson <tjh@openssl.org>
crypto/bn/bn_nist.c: bring original failing code back for reference.

RT: 3541
Reviewed-by: Emilia Kasper <emilia@openssl.org>
e_os.h: refine inline override logic (to address warnings in debug build).

Reviewed-by: Dr Stephen Henson <steve@openssl.org>
Parse custom extensions after internal extensions.

Reviewed-by: Rich Salz <rsalz@openssl.org>
RT2309: Fix podpage MMNNFFPPS->MNNFFPPS

Reviewed-by: Matt Caswell <matt@openssl.org>
RT2910: Remove des.c and its Makefile target

Reviewed-by: Andy Polyakov <appro@openssl.org>
RT3549: Remove obsolete files in crypto

Reviewed-by: Andy Polyakov <appro@openssl.org>
crypto/cast/asm/cast-586.pl: +5% on PIII and remove obsolete readme.

Reviewed-by: Rich Salz <rsalz@openssl.org>
DTLS 1.2 support has been added to 1.0.2.

Reviewed-by: Rich Salz <rsalz@openssl.org>
RT3462: Document actions when data==NULL

If data is NULL, return the size needed to hold the
derived key.  No other API to do this, so document
the behavior.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Fix single makefile.

Reviewed-by: Geoffrey Thorpe <geoff@geoffthorpe.net>