Top Secret Messenger for ICQ - Version 2001 Top Secret Messenger (TSM) is a powerful and securepublic-key encryption add-on for instant messengers,such as America Online's popular ICQ program. Itprovides instant and easy access to 464-bit ECC(Elliptic Curve Cryptography) encryption, which isequivalent to at least a 3000-bit RSA encryption, rightfrom instant messengers' message dialogs!Note: Trial version is limited to 8-bit encryption andhas other limitations.