SYSTEM, APPARATUS, COMPUTER PRODUCT AND METHOD FOR PROCURING ENCRYPTION KEYS

摘要

An encryption computer product and apparatus for providing secure messaging between a first terminal and at least one other remote terminal comprising a communication facility, encryption facility and key procurement facility. A system for secure messaging between a group of terminals over an interconnected network of computers comprising at least two terminals for sending and receiving messages, each of terminals having a key procurement facility, and key exchange centre. A method for exchanging encryption keys between remote terminals using a key exchange centre which provides the remote terminals with an exchange key and communication key encrypted with such exchange key.