METHODS, DEVICES AND SYSTEMS FOR GENERATING ANONYMOUS PUBLICKEYS IN A SECURE COMMUNICATION SYSTEM

摘要

Methods, devices and systems for generating a plurality of public keys from one private key with the same generator of a group are described. A public key cryptosystem is also disclosed for generating a plurality of anonymous public keys all of which relate to t he same party used for secure communications. Those anonymous public keys are generated using t he same generator from one single private key. With the invention, computation is reduced, memory can be saved and security level can be improved.