1. David Wetherall, Ulana Legedza y John Guttag, “Introducing new Internet services: Why and How”, IEEE Network Magazine [1998]
2. SARA home site, http://matrix.it.uc3m.es/~sara .
3. GCAP IST project home page. http://www.laas.fr/GCAP
4. Krawczyk H., M. Bellare, R. Canetti, HMAC: Keyed-Hashing for Message Authentication, RFC 2104, April 1997.
5. Alan O. Freier, Philip Karlton, Paul C. Kocher. TLS Working Group. The SSL protocol version 3.0. (November 18, 1996).