In 2003, Hwang et al. proposed a new blind signature based on the RSA cryptosystem by employing Extended Euclidean algorithm. They claimed that the proposed scheme was untraceable...
In a proxy signature scheme, a potential signer delegates his capabilities to a proxy signer, who can sign documents on behalf of him. The recipient of the signature verifies both...
A group signature scheme allows a group member to sign messages anonymously on behalf of the group. However, in the case of a dispute, the identity of a signature’s originator ca...
Giuseppe Ateniese, Jan Camenisch, Marc Joye, Gene ...
A group signature scheme allows a group member of a given group to sign messages on behalf of the group in an anonymous and unlinkable way. In case of a dispute, however, a design...
nded abstract of this work appears Advances in Cryptology — Asiacrypt 2000, Tatsuaki Okamoto, editor, Lecture Notes in Computer Science vol. 1976, Springer-Verlag, 2000. c IACR A...