Rei Yoshida, Rie Shigetomi, Kazuki Yoshizoe, Akira Otsuka (auth.), Stefan Lucks, Ahmad-Reza Sadeghi, Christopher Wolf (eds.)3540883525, 9783540883524
This book constitutes the refereed proceedings of the Second Western European Workshop on Research in Cryptology, WEWoRC 2007, held in Bochum, Germany, in July 2007
The 12 revised full papers were carefully reviewed and selected from a total of 36 submissions. The papers cover topics such as foundations of cryptology, secret-key cryptosystems and hash functions, public-key cryptosystems, cryptographic protocols, implementation of cryptosystems and their integration into secure systems, secure operating systems and trusted computing, applications such as watermarking and code obfuscation.
Table of contents :
Front Matter….Pages –
A Privacy Protection Scheme for a Scalable Control Method in Context-Dependent Services….Pages 1-12
The GPS Identification Scheme Using Frobenius Expansions….Pages 13-27
Searching for Messages Conforming to Arbitrary Sets of Conditions in SHA-256….Pages 28-38
Efficient Hash Collision Search Strategies on Special-Purpose Hardware….Pages 39-51
Cryptography Based on Quadratic Forms: Complexity Considerations….Pages 52-64
Towards a Concrete Security Proof of Courtois, Finiasz and Sendrier Signature Scheme….Pages 65-77
Cryptanalysis of MOR and Discrete Logarithms in Inner Automorphism Groups….Pages 78-89
Preimages for Reduced-Round Tiger….Pages 90-99
Specific S-Box Criteria in Algebraic Attacks on Block Ciphers with Several Known Plaintexts….Pages 100-113
Combiner Driven Management Models and Their Applications….Pages 114-126
New Attacks on the Stream Cipher TPy6 and Design of New Ciphers the TPy6-A and the TPy6-B….Pages 127-141
Cryptanalysis of Achterbahn-128/80 with a New Keystream Limitation….Pages 142-152
Back Matter….Pages –
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