Command Line File Encrypter / Decrypter, Using AES256-CBC Cryptography
Java Encryption Utility.
Cryptographically secure random password/passphrase generator
GILIB Large Integer Arithmetic Library
Utility to generate and verify checksums/hashes
One-time-pad encryption using a virtual pad
A command-line utility for calculating and verifying file checksums.
Support Tools for OpenSSH with multiple agents
PKI & Card Management System to issue and manage tokens & certificates
Open Source Security tool to audit hashed passwords.
NCrypted - simple file encryption software with GPU support
sha3sum - A demonstration of the Keccak permutation.
Easy to use GlobalPlatform tool (and a Java library)
Open source P-RNG based cryptography.