These are references to sites with more general documents related to SSL/TLS, cryptography, security, and so on. Also present are articles written about OpenSSL.
A nice "web security portal", as it calls itself.
Linux Journal 2001-06-20
An article by Paul Friberg: Using a Cryptographic Hardware Token with Linux: the OpenSSL Project's New Engine
X.680 and X.690
The official ASN.1, BER and DER specifications.
ASN.1 Modules from X-series Recommendations
The ASN.1 definitions for X.509 and other standards.
Via PadLock support for Linux
Support for Via PadLock ACE CPU extensions in openssl 0.9.7 (support is native in CVS for 0.9.8 and later).