Digital signature method based on identification information of group members, and method of acquiring identification information of signed-group member, and digital signature system for performing digital signature based on identification information of group members

作者: Dae-youb Kim

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摘要: A digital signature method based on identification information of one or more group members who belong to a includes: a) parameter generating operation public key and secret corresponding the group; b) member registering using an digest value obtained by applying predetermined hash function information, transmitting members; c) signing algorithm value, generated message; d) authentication verifying validity message signature.