Enigma Encryption Simulator in Java
Mkpass - Command line Secure Password Generator
Utility to generate and verify checksums/hashes
Open Source Security tool to audit hashed passwords.
sha3sum - A demonstration of the Keccak permutation.
A family of small-state CSPRNGs and Stream Ciphers
A family of FLEA-inspired CSPRNGs and Stream Ciphers
ISC lets you encrypt & decrypt text and files of any type up to 4GB
A program to generate random reciprocal bigram tables
Replace text with POS equivalent text, in a reversible fashion.
this simple program implements the Vigenere cipher in python