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3Kaijser, P., Parker, T., Pinkas, D. SESAME: the solution to security for open distributed systems. Computer Communications, 1994,17(7):501～518.
4Fielding, R., Gettys, J., Mogul, J., et al. Hypertext transfer protocol-HTTP/1.1. RFC2068, 1997. http://www.w3.org/protocols/ rfc2616/rfc2616.html.
5Freier, A.O., Karlton, P., Kocher, P.C. The SSl protocol, version 3.0, Internet-draft. draft-freier-ssl-version3-02.txt, 1996. http://wp. netscape.com/eng/ssl3/ssl-toc.html.
