Open Source Security & Cryptography Tools in Java

Application security framework for authentication, authorization, session management, and cryptography. Pluggable data sources, role- and permission-based access, and easy integration with web and enterprise applications.

Lightweight cryptography API for Java: JCE/JCA provider, ASN. 1 support, and generators for X. 509 certificates, PKCS12, S/MIME, CMS, OCSP, TSP, and OpenPGP.

Framework for authentication, authorization, and protection against common vulnerabilities in Spring-based applications. Evolved from Acegi Security; part of the Spring portfolio.