Hpmbcalc Hex Calculator
A programmable multiple-precision hex calculator with many utilities. With it, you can perform a lot of big number math and encryption operations, such as: square root, modular inverse; hash make; primality test; hex, dec, oct, bin conversions.
ap PDF Encrypt
PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
CryptoExpert 2007 Lite
CryptoExpert mounts a volume file to create a "virtual drive" that appears to applications and users like any other physical drive. Any data that the user attempts to write to this drive is intercepted by CryptoExpert, encrypted, and written to file.
SecureIT Encryption Software
Simple, Secure, Easy to use, feature packed 448 bit file and folder encryption program. It includes a powerful, customizable file shredder, a Secure e-mail module and full command line support.
Puffer
Data file and e-mail encryption utility for Win 95 to XP. Uses 2048-bit Diffie-Hellman public key encryption with 256-bit AES algorithm for symmetric encryption.