Identity4J is a suite of Java Identity and Authentication Connectors
An on-path blackbox network traffic security testing tool
Easy to use GlobalPlatform tool (and a Java library)
Java Security Manager made easy
NTLMv2 authentication library and filter for Java
Java native access for pc/sc, pkcs11, openct based on JNA
Open Source Penetration Testing / Ethical Hacking Framework
Java code that enables you to sign documents using a smart card.
Universal Framework to audit Voip protocols's security
capturing packet and detecting intruders with their signature