PHP secure communications library
Single Packet Authorization, Port Knocking
Open-source code that enables you to use AES in CBC mode
C++ cryptographic library (modern hash functions, ciphers, KDFs)
BitCrypt is a free ultra-strong encryption that hides text in bitmaps.
Програма для шифрування файлів
A Hybrid Cryptosystem with Steganography DLL
Open Source API-centric PHP Micro-framework
AES-128, Linux, OpenBSD, Assembly-Language
Cryptkeeper Secuirty tool