Java Open Source Projects Directory

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Security & Cryptography Tools


The Bouncy Castle Crypto APIs is a lightweight cryptography API in Java with a provider for the JCE and JCA, a clean room implementation of the JCE 1.2.1, a library for reading and writing encoded ASN.1 objects and generator for:

 * Version 1 and Version 3 X.509 certificates and PKCS12 files.
 * Version 2 X.509 attribute certificates.
 * S/MIME and CMS (PKCS7).
 * OCSP (RFC 2560).
 * TSP (RFC 3161).
 * OpenPGP (RFC 2440). The lightweight API works with everything from the J2ME to the JDK 1.5



Acegi Security is a powerful, flexible security solution for enterprise software, with a particular emphasis on applications that use Spring. Using Acegi Security provides your applications with comprehensive authentication, authorization, instance-based access control, channel security and human user detection capabilities.