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Legion of The Bouncy Castle - http://www.bouncycastle.org/
Provides open source implementations of the Java Cryptography Extension 1.2.1, and a lightweight Java Cryptography API for the J2ME, and the JDK. [Open Source] |
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RSA BSAFE - http://www.rsa.com/node.aspx?id=1204
Toolkits for SSL, general cryptography, and PKI. [Commercial] |
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Network Security Services for Java (JSS) - http://www.mozilla.org/projects/security/pki/jss/
Libraries used internally by Netscape and iPlanet products that do crypto in Java. [Mozilla] |
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IAIK Java Crypto Products - http://jce.iaik.tugraz.at/
Provides a set of Java-based crypto products. Java implementation TLS, SSLv3 and SSLv2(client side), S/MIMEv2. [Commercial] |
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J2SSH Maverick - http://3sp.com/showMaverick.do
A fully featured SSH2 library. By 3SP LTD. [Commercial] |