참고문헌
- 'Data Encryption Standard(DES),' National Bureau of Standards FIPS Publication 46, 1977
- W.Diffie and M.E.Hellman. 'Multiuser cryptographic techniques,' AFIPS Conference Proceedings, 45 : 109-112, 1976
- R. L. Rivest, A. Shamir, and L. Adlcman, 'A method for obtaining digital signatures and public key cryptosysterns,' Communications of the ACM, 21 (1978), 120-126 https://doi.org/10.1145/359340.359342
- M. Day, S. Aggarwal, G. Mohr, and J. Vincent, 'Instant Messaging /Preserce Protocol Requirements,' RFC 2779, Feb 2000
- 컬러 애플리케이션, '인스턴트 메시징', PC Week, 4(19) 66-67, 1997
- UIN 메신저, http://uin.com/
- MaXIM, http://ww.dreamsecurity.com/products_frame/html/
- MSM Messenger Service, http://messenger.msn.com
- ICQ, http://www.icq.com/
- IAIK-JCE, http://jcewww_iaik.tu-graz.ac.at/