Progress in Cryptology – AFRICACRYPT 2014

1. Front Matter

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2. New Results for Rank-Based Cryptography

   • Philippe Gaborit, Olivier Ruatta, Julien Schrek, Gilles Zémor

   Pages 1-12

3. Public-Key Cryptography

   1. Proxy Re-Encryption Scheme Supporting a Selection of Delegatees

      • Julien Devigne, Eleonora Guerrini, Fabien Laguillaumie

      Pages 13-30

   2. Trapdoor Privacy in Asymmetric Searchable Encryption Schemes

      • Afonso Arriaga, Qiang Tang, Peter Ryan

      Pages 31-50

   3. Kurosawa-Desmedt Key Encapsulation Mechanism, Revisited

      • Kaoru Kurosawa, Le Trieu Phong

      Pages 51-68

4. Hash Functions

   1. Differential Biases in Reduced-Round Keccak

      • Sourav Das, Willi Meier

      Pages 69-87

   2. Practical Distinguishers against 6-Round Keccak-f Exploiting Self-Symmetry

      • Sukhendu Kuila, Dhiman Saha, Madhumangal Pal, Dipanwita Roy Chowdhury

      Pages 88-108

   3. Preimage Attacks on Reduced-Round Stribog

      • Riham AlTawy, Amr M. Youssef

      Pages 109-125

5. Secret-Key Cryptanalysis

   1. Breaking the IOC Authenticated Encryption Mode

      • Paul Bottinelli, Reza Reyhanitabar, Serge Vaudenay

      Pages 126-135

   2. New Treatment of the BSW Sampling and Its Applications to Stream Ciphers

      • Lin Ding, Chenhui Jin, Jie Guan, Chuanda Qi

      Pages 136-146

   3. Multidimensional Zero-Correlation Linear Cryptanalysis of E2

      • Long Wen, Meiqin Wang, Andrey Bogdanov

      Pages 147-164

6. Public-Key Cryptanalysis and Number Theory

   1. Further Improvement of Factoring RSA Moduli with Implicit Hint

      • Liqiang Peng, Lei Hu, Jun Xu, Zhangjie Huang, Yonghong Xie

      Pages 165-177

   2. New Attacks on the RSA Cryptosystem

      • Abderrahmane Nitaj, Muhammad Rezal Kamel Ariffin, Dieaa I. Nassr, Hatem M. Bahig

      Pages 178-198

   3. Formulae for Computation of Tate Pairing on Hyperelliptic Curve Using Hyperelliptic Nets

      • Christophe Tran

      Pages 199-214

7. Hardware Implementation

   1. New Speed Records for Montgomery Modular Multiplication on 8-Bit AVR Microcontrollers

      • Zhe Liu, Johann Großschädl

      Pages 215-234

   2. Minimizing S-Boxes in Hardware by Utilizing Linear Transformations

      • Sebastian Kutzner, Phuong Ha Nguyen, Axel Poschmann, Marc Stöttinger

      Pages 235-250

   3. Efficient Masked S-Boxes Processing – A Step Forward –

      • Vincent Grosso, Emmanuel Prouff, François-Xavier Standaert

      Pages 251-266

   4. A More Efficient AES Threshold Implementation

      • Begül Bilgin, Benedikt Gierlichs, Svetla Nikova, Ventzislav Nikov, Vincent Rijmen

      Pages 267-284

8. Protocols

   1. Constant Rounds Almost Linear Complexity Multi-party Computation for Prefix Sum

      • Kazuma Ohara, Kazuo Ohta, Koutarou Suzuki, Kazuki Yoneyama

      Pages 285-299

   2. Position-Based Cryptography from Noisy Channels

      • Stefan Dziembowski, Maciej Zdanowicz

      Pages 300-317

This book constitutes the refereed proceedings of the 7th International Conference on the Theory and Application of Cryptographic Techniques in Africa, AFRICA CRYPT 2014, held in Marrakesh, Morocco in May 2014. The 26 papers presented together with 1 invited talk were carefully reviewed and selected from 83 submissions. The aim of Africa crypt 2014 is to provide an international forum for practitioners and researchers from industry, academia and government from all over the world for a wide ranging discussion of all forms of cryptography and its applications as follows: Public-Key Cryptography, Hash Functions, Secret-Key Cryptanalysis, Number Theory, Hardware Implementation, Protocols and Lattice-based Cryptography.

• RSA
• block and stream ciphers
• cryptanalysis and other attacks
• cryptographic protocols
• error-correcting codes
• information-theoretic techniques
• mathematical foundations of cryptography
• public key encryption
• symmetric cryptography and hash functions

• Computer Science Department, Ecole Normale Supérieure, Paris, France

  David Pointcheval, Damien Vergnaud

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