4Harkins, Carrel. The Intemet Key Exchange ( IKE ) [ S ]. RFC 2409, 1998-11.
5William Stallings.Cryptography and Network Security:Principles and Practice.
6Sun H T,Yeh H T.Further cryptanalysis of a password authentication scheme with smart cards[J].IEICE Transactions and Communications,2003,E86-B (4):1412～1415
7Yang Chou-Chen,Wang Ren-Chiun,Chang Ting-Yi.An improvement of the Yang-Shieh password authentication schemes[J].Applied Malhemaucs and Compulalion,2005,16(2):1391～1396
8Yoon Eun-Jun,Eun Jun-Ryu,Yoo Kee-Young.More efficient and secure remote user authentication scheme using smart cards[C].Proceeding of the 2005 11th international conference on parallel and distributed systems (ICPADS' 05).IEEE computer society,2005
9Lee Sung-Woo,Kim Hyun-Sung,Yoo Kee-Young.Effcient nonce-based remote user authentication scheme using smart cards[J].Applied mathematics and compution,2005,167:355～361
