A high-level OpenPGP library
57 Hash Functions In One Program, plus each with HMAC or KMAC
Privacy, Security, no one will read your message again with this app
SES brings back the uncrackable onetime pad, with a digital twist.
A tiny, fast encryption tool in C
ISC lets you encrypt & decrypt text and files of any type up to 4GB
A program to generate random reciprocal bigram tables