Blind Spontaneous Anonymous Group Signatures for Ad Hoc Groups. - Tony K. Chan; Karyin Fung; Joseph K. Liu; Victor K. Wei (ESAS, 2004)

Separable Linkable Threshold Ring Signatures. - Patrick P. Tsang; Victor K. Wei; Tony K. Chan; Man Ho Au; Joseph K. Liu; Duncan S. Wong (IACR Cryptol. ePrint Arch., 2004)