Cryptography Related Forums at Your Favorite Things:
Computers and Internet - Discussions pertaining to hardware, software, internet, web design, internet, programming and more.
Programming - C, C++, PHP, Perl, Delphi, Visual Basic, etc.. If you are seeking out a discussion on computer programming, then this is your place to be.
FlexiCrypt - Crypto toolkit based on FlexiProvider.
FlexiProvider - An open source cryptographic class library for the JCA/JCE architecture. [Open Source with registration]
Hidden Field Equations (HFE) in Java - Java implementation of the public key cryptosystem Hidden Field Equations (HFE). Also includes matrix and finite field operations. [Open source, GPL]
IAIK Java Crypto Products - Provides a set of Java-based crypto products. Java implementation TLS, SSLv3 and SSLv2(client side), S/MIMEv2. [Commercial]
Java Cryptography Extension (JCE) - Provides framework and implementations for encryption, key generation and key agreement, and Message Authentication Code (MAC) algorithms.
JSDSI - Reimplemented the Java SDSI (Simple Distributed Security Infrastructure) API. [Open source, MIT License]
J2SSH Maverick - A fully featured SSH2 library. By 3SP LTD. [Commercial]
Legion of The Bouncy Castle - Provides open source implentations of the Java Cryptography Extension 1.2.1, and a lightweight Java Cryptography API for the J2ME, and the JDK. [Open Source]