A Restricted Undeniable Designated Verifier Signature. - Atsushi Koide; Raylin Tso; Takeshi Okamoto; Eiji Okamoto (APSCC, 2008)

A Sanitizing Signature Scheme with Indexing. - Atsushi Koide; Raylin Tso; Eiji Okamoto (EUC (2), 2008)

Convertible Undeniable Partially Blind Signature from Bilinear Pairings. - Atsushi Koide; Raylin Tso; Eiji Okamoto (EUC (2), 2008)