5Kohl J, Neuman C. The Kerberos Network Authentication Service (V5). RFC 1510, Digital Equipment Corporation, USC/Informa-tion Sciences Institute, Sept. 1993
6ITU-T, Recommendation X. 509. The Directory-Authentication Framework. Consultation Committee, International Telephone and Telegraphm, Inernational Telecommunications Union
7RFC 1321. The MD5 Message-Digest Algorithm. Internet Request for Comments 1321, R. L. Rivest, Apr. 1992
8Rigney C, Rubens A, Simpson W, Willens S. RFC 2138Remote Authentication Dial In User Service (RADIUS). 1997
9Livingston C R. Remote Authentication Dial In User Service (RA-DIUS). RFC2138. April 1997
10Livingston C R. RADIUS Accounting. RFC2139. April 1997
