XySSL is a lite-weight SSL and TLS implementation library in C.
It currently supports SSLv2, SSLv3, and TLSv1 using the AES, ARC4, 
and 3DES ciphers, and the MD2, MD4, MD5, SHA1, and SHA256 hashes.
Support is also included for X.509 certificate structures, 
as well as an internal PRNG.  

LICENSE: BSD
Copyright (c) 2006-2008, Christophe Devine.

WWW: http://xyssl.org/