Data file and e-mail encryption utility for Win 95 to XP. Diffie-Hellman public key encryption with 40-bit PC1 (RC4 clone), 128-bit CAST, and 160-bit Blowfish algorithms for symmetric encryption. Digital signatures for message authentication. SHA-1 password hashing. Secure data wiping. Simple public key management with built-in text editor. Binary, ASCII and self-extracting exe's.