Petri net framework for security related modeling and reasoning.
Java Security Manager made easy
Implementation of the protocols PACE, Terminal and Chip Authentication
TOTP authenticator for Java ME
Data hiding in bi-level pbm images
NTRUEncrypt and NTRUSign in Java
Java implementation of Chi-Square Attack and LSB Enhancement Attack
jCryption implementation for Java.
pythonic kerberosish ticket system: easy to use, easy to subclass