Progress in Cryptology - AFRICACRYPT 2017

1. Front Matter

   Pages I-X

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2. Cryptographic Schemes

   1. Front Matter

      Pages 1-1

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   2. RingRainbow – An Efficient Multivariate Ring Signature Scheme

      • Mohamed Saied Emam Mohamed, Albrecht Petzoldt

      Pages 3-20

   3. Pinocchio-Based Adaptive zk-SNARKs and Secure/Correct Adaptive Function Evaluation

      • Meilof Veeningen

      Pages 21-39

   4. Revisiting and Extending the AONT-RS Scheme: A Robust Computationally Secure Secret Sharing Scheme

      • Liqun Chen, Thalia M. Laing, Keith M. Martin

      Pages 40-57

3. Side-Channel Analysis

   1. Front Matter

      Pages 59-59

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   2. Climbing Down the Hierarchy: Hierarchical Classification for Machine Learning Side-Channel Attacks

      • Stjepan Picek, Annelie Heuser, Alan Jovic, Axel Legay

      Pages 61-78

   3. Multivariate Analysis Exploiting Static Power on Nanoscale CMOS Circuits for Cryptographic Applications

      • Milena Djukanovic, Davide Bellizia, Giuseppe Scotti, Alessandro Trifiletti

      Pages 79-94

   4. Differential Bias Attack for Block Cipher Under Randomized Leakage with Key Enumeration

      • Haruhisa Kosuge, Hidema Tanaka

      Pages 95-113

4. Differential Cryptanalysis

   1. Front Matter

      Pages 115-115

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   2. Impossible Differential Cryptanalysis of Reduced-Round SKINNY

      • Mohamed Tolba, Ahmed Abdelkhalek, Amr M. Youssef

      Pages 117-134

   3. Impossible Differential Attack on Reduced Round SPARX-64/128

      • Ahmed Abdelkhalek, Mohamed Tolba, Amr M. Youssef

      Pages 135-146

5. Applications

   1. Front Matter

      Pages 147-147

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   2. Private Conjunctive Query over Encrypted Data

      • Tushar Kanti Saha, Takeshi Koshiba

      Pages 149-164

   3. Efficient Oblivious Transfer from Lossy Threshold Homomorphic Encryption

      • Isheeta Nargis

      Pages 165-183

   4. Privacy-Friendly Forecasting for the Smart Grid Using Homomorphic Encryption and the Group Method of Data Handling

      • Joppe W. Bos, Wouter Castryck, Ilia Iliashenko, Frederik Vercauteren

      Pages 184-201

6. Number Theory

   1. Front Matter

      Pages 203-203

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   2. On Indifferentiable Hashing into the Jacobian of Hyperelliptic Curves of Genus 2

      • Michel Seck, Hortense Boudjou, Nafissatou Diarra, Ahmed Youssef Ould Cheikh Khlil

      Pages 205-222

   3. Cryptanalysis of Some Protocols Using Matrices over Group Rings

      • Mohammad Eftekhari

      Pages 223-229

7. Back Matter

   Pages 231-231

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This book constitutes the refereed proceedings of the 9th International Conference on the Theory and Application of Cryptographic Techniques in Africa, AFRICACRYPT 2017, held in Dakar, Senegal, in May 2017.

The 13 papers presented in this book were carefully reviewed and selected from 40 submissions. The papers are organized in topical sections on cryptographic schemes, side-channel analysis, differential cryptanalysis, applications, and number theory.

• cryptography
• side-channel attacks
• elliptic curve-based cryptography
• hash functions
• cryptanalysis
• ring signatures
• machine learning techniques
• formal security analysis
• security protocols
• key management
• hardware attacks and countermeasures
• symmetric cryptography
• impossible differential
• information-theoretic techniques
• mathematical foundations of cryptography
• hardware attacks and countermeasures
• lossy encryption
• symmetric groups
• oblivious transfer
• query processing

• NXP Semiconductors , San Jose, USA

  Marc Joye

• University of Caen , Caen, France

  Abderrahmane Nitaj

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