A package of Rijndael, Twofish and Serpent encryption algorithms implemented in x86 assembly. Meant to learn basics of assembly, learn about the algorithms or to be used in a C program.
The ELF-Encrypter program suite is a collection of programs to encrypt your ELF binaries using various algorithms. GnuPG is required in order to use some encryption techniques.
The suite also contains programs to inject code into ELF binaries.
Cryptofon - a safe phone with integrated encryption.
The Cryptofon is designed to enable safe and secure communication trough a regular PSTN line. It supports narrowband connections (~2400 bit/s and lower).