Research in Cryptology

1. Front Matter

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2. Broadcast Attacks against Code-Based Schemes

   • Robert Niebuhr, Pierre-Louis Cayrel

   Pages 1-17

3. On the Security of Hummingbird-2 against Side Channel Cube Attacks

   • Xinxin Fan, Guang Gong

   Pages 18-29

4. Full Lattice Basis Reduction on Graphics Cards

   • Timo Bartkewitz, Tim Güneysu

   Pages 30-44

5. Breaking DVB-CSA

   • Erik Tews, Julian Wälde, Michael Weiner

   Pages 45-61

6. On the Role of Expander Graphs in Key Predistribution Schemes for Wireless Sensor Networks

   • Michelle Kendall, Keith M. Martin

   Pages 62-82

7. \({\Gamma\mbox{-MAC}\lbrack H,P\rbrack}\) - A New Universal MAC Scheme

   • Ewan Fleischmann, Christian Forler, Stefan Lucks

   Pages 83-98

8. New Universal Hash Functions

   • Aysajan Abidin, Jan-Åke Larsson

   Pages 99-108

9. Cryptanalysis of TWIS Block Cipher

   • Onur Koçak, Neşe Öztop

   Pages 109-121

10. RSA Vulnerabilities with Small Prime Difference

    • Marián Kühnel

    Pages 122-136

11. Combining Multiplication Methods with Optimized Processing Sequence for Polynomial Multiplier in GF(2^k)

    • Zoya Dyka, Peter Langendoerfer, Frank Vater

    Pages 137-150

12. Back Matter

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This book constitutes the refereed proceedings of the 4th Western European Workshop on Research in Cryptology, WEWoRC 2011, held in Weimar Germany, in July 2011.
The 10 revised full papers were carefully reviewed and selected from numerour submissions. The papers span a wide spectrum of topics from foundations of cryptology, upto secret-key cryptosystems and hash functions, public-key cryptosystems, modes of operation, cryptographic protocols, hardware and software implementation of cryptosystems and their integration into secure systems, and applications such as watermarking and code obfuscation.

• algebraic cryptanalysis
• cube attacks
• parallelization
• universal hashing
• wireless sensor networks

• Arbeitsgruppe Theoretische Informatik und IT-Sicherheit, Universität Mannheim, Mannheim, Germany

  Frederik Armknecht

• Fakultät Medien, Bauhaus-Universität Weimar, Weimar, Germany

  Stefan Lucks

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