Security in Communication Networks

1. Cryptanalysis of Public Key Cryptosystems

   1. An Algebraic Approach to NTRU (q = 2ⁿ) via Witt Vectors and Overdetermined Systems of Nonlinear Equations

      • J. H. Silverman, N. P. Smart, F. Vercauteren

      Pages 278-293

   2. Efficient Cryptanalysis of RSE(2)PKC and RSSE(2)PKC

      • Christopher Wolf, An Braeken, Bart Preneel

      Pages 294-309

2. Cryptanalysis

   1. The Decimated Sample Based Improved Algebraic Attacks on the Nonlinear Filters

      • Miodrag J. Mihaljević, Hideki Imai

      Pages 310-323

   2. Non-randomness of the Full 4 and 5-Pass HAVAL

      • Hirotaka Yoshida, Alex Biryukov, Christophe De Cannière, Joseph Lano, Bart Preneel

      Pages 324-336

3. Email Security

   1. Controlling Spam by Secure Internet Content Selection

      • Amir Herzberg

      Pages 337-350

4. Key Distribution and Feedback Shift Registers

   1. On Session Identifiers in Provably Secure Protocols

      • Kim-Kwang Raymond Choo, Colin Boyd, Yvonne Hitchcock, Greg Maitland

      Pages 351-366

   2. How to Embed Short Cycles into Large Nonlinear Feedback-Shift Registers

      • Le Van Ly, Werner Schindler

      Pages 367-379

5. Back Matter

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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The Program Committee, consisting of 21 members, considered 79 papers and selected 26 for presentation; one of them was withdrawn by the authors. These papers were selected on the basis of originality, quality and relevance to cryptography and security in communication networks. Due to the high number of submissions, paper selection was a di?cult and challenging task, and many good submissions had to be rejected. Each subm- sion was refereed by at least three reviewers and some had four reports or more. We are very grateful to all the program committee members, who devoted much e?ort and valuable time to read and select the papers. In addition, we gratefully acknowledge the help of colleagues who reviewed submissions in their areas of expertise. They are all listed on page VII and we apologize for any inadvertent omissions. These proceedings include the revised versions of the 26 accepted papersandtheabstractoftheinvitedtalkbyBartPreneel(ECRYPT:theCryptographic Research Challenges for the Next Decade).

• Oracle
• Session
• Signatur
• anonymity
• communication
• cryptographic protocols
• identity
• network security
• privacy
• secret sharing
• secure communications
• secure networking
• security
• security protocols
• zero knowledge
• algorithm analysis and problem complexity

• Dipartimento di Informatica e Applicazioni, Università degli Studi di Salerno, Fisciano, Italy

  Carlo Blundo

• Dipartimento di Tecnologie dell’Informazione, Universitá di Milano, Crema, Italy

  Stelvio Cimato

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