Lecture Notes in Computer Science 3352 Security in Communication Networks 4th International Conference,SCN 2004

The 4th International Conference on Security in Communication Networks 2004 (SCN2004)washeldatthe?DioceseHall?oftheArchdioceseofAmal?-Cavade' Tirreni and the?Armorial Bearings Hall? of the Archbishop Palace in Amal?, Italy, on September 8-10, 2004. Previous conferences also took place in Amal? in 1996, 1999 and 2002. The conference aimed at bringing together researchers in the?elds of cr- tography and security in communication networks to foster cooperation and the exchange of ideas. The main topics included all technical aspects of data security, including: anonymity, authentication, blockciphers, complexity-basedcryptography, cry- analysis, digital signatures, distributed cryptography, hash functions, identi?- tion, implementations, keydistribution, privacy, publickeyencryption, threshold cryptography, and zero knowledge. The Program Committee, consisting of 21 members, considered 79 papers and selected 26 for presentation