A modern, portable, easy to use crypto library
AWS Encryption SDK for C
cross-platform, encryption application
Robust and flexible VPN network tunnelling
Powerful webdav client and sync tools with client-side AES encryption
57 Hash Functions In One Program, plus each with HMAC or KMAC
OpenSC - tools and libraries for smart cards
GILIB Large Integer Arithmetic Library
Programa de Criptografia.
Classic & Modern Cryptography tools
sha3sum - A demonstration of the Keccak permutation.
A tiny, fast encryption tool in C
A family of FLEA-inspired CSPRNGs and Stream Ciphers
xxteac - XXTEA Encrypter/Decrypter
A free "on-the-fly" transparent disk encryption program for PC & PDAs.
Fast and Strong Data Encryption Algorithm