1[1]Mambo M, Usuda K, Okamoto E. Proxy signatures: Delegation of the power to sign messages. IEICE Trans on Fundamentals, 1996, E79-A(9): 1338～1354
2[2]Kim S, Park S, Won D. Proxy signatures, Revisited. In: Proc of Int'l Conf on Information and Communications Security, LNCS 1334. Springer-Verlag, 1997. 223～232
3[3]Ohta K, Okamoto T. A digital multisignature scheme based on the Fiat-Shamir Scheme. In: Advances in Cryptology-ASIACRYPT'91, Springer-Verlag, 139～148
4[1]M.Mambo,K.Usuda,and E.Okamot.Proxy signatures:Delegation of the power to sign messages [J].IEICE Trans.Fundamentals,1996,E79-A(9):1338-1354.
5[2]S.Kim,S.Park and D.Won proxy signatures,revisited [A].Proc.of ICICS'97,International Conference on Information and Communications Security [C],LNCE,1334,1997:223-232.
6[3]K.Ohta and t.Okamoto.A digital multisignature scheme based on the Fiat-Shamir scheme [A].Advances in Cryptology—ASIACRYTP'91 [C]:.139-148.
