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AfricaCrypt 2008
Casablanca, Morocco, JUNE 11-14; 2008

        
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Program   (Download)

Africacrypt 2008, June 11-14, 2008, Casablanca, Morocco

Tuesday, June 10, 2008

17:00 - 20:30 Registration
18:00 - 20:30 Welcome reception
Wednesday, June 11, 2008

08:00 – 09:00 Registration
09:00 – 09:10 Opening remarks
Session 1: AES

09:10 – 09:40 Improving Integral Attacks against Rijndael-256 up to 9 Rounds
Samuel Galice, Marine Minier

09:40 – 10:10 Implementation of the AES-128 on Virtex-5 FPGAs
Philippe Bulens, François-Xavier Standaert, Jean-Jacques Quisquater, Pascal Pellegrin, Gaël Rouvroy

10:10 – 10:40 Coffee break
Session 2: ANALYSIS OF RFID PROTOCOLS

10:40 – 11:10 Weaknesses in a Recent Ultralightweight RFID Authentication Protocol
Paolo D'Arco, Alfredo De Santis

11:10 – 11:40 Differential Cryptanalysis of Reduced-Round PRESENT
Meiqin Wang


11:40 – 12:40 Invited talk 1:
A Brief History of Provably-Secure Public-Key
Encryption
Alexander W. Dent

12:40 – 14:30 Lunch break

Session 3: CRYPTOGRAPHIC PROTOCOLS


14:30 – 15:00 An (Almost) Constant-Effort Solution-Verification Proof-of-Work Protocol based on Merkle Trees
Fabien Coelho

15:00 – 15:30 Robust Threshold Schemes Based on the Chinese Remainder Theorem
Kamer Kaya, Ali Ayd?n Seçuk

15:30 – 16:00 An Authentication Protocol with Encrypted Biometric Data
Julien Bringer, Hervé Chabanne

16:30 – 17:00 Coffee break
Session 4: AUTHENTICATION

17:00 – 17:30 Authenticated Encryption Mode for Beyond the Birthday Bound Security
Tetsu Iwata

17:30 – 18:00 Cryptanalysis of the TRMS Signature Scheme of PKC'05
Luk Bettale, Jean-Charles Faugère, Ludovic Perret

Thursday, June 12, 2008
Session 5: PUBLIC-KEY CRYPTOGRAPHY

09:00 – 09:30 New Definition of Density on Knapsack Cryptosystems
Noboru Kunihiro

09:30 – 10:00 Another Generalization of Wiener's Attack on RSA
Abderrahmane Nitaj

10:00 – 10:30 An Adaptation of the NICE Cryptosystem to Real Quadratic Orders
Michael J. Jacobson, Jr, Renate Scheidler, Daniel Weimer

10:30 – 11:00 Coffee break
Session 6: PSEUDORANDOMNESS

11:00 – 11:30 A Proof of Security in O(2n) for the Benes Scheme
Jacques Patarin


11:30 – 12:30 Invited talk 2:
Modern Cryptography: a Historical Perspective
Jacques Stern
12:30 – 14:30 Lunch break
Session 7: ANALYSIS OF STREAM CIPHERS I

14:30 – 15:00 Yet Another Attack on Vest
Pascal Delaunay, Antoine Joux

15:00 – 15:30 Chosen IV Statistical Analysis for Key Recovery Attacks on Stream Ciphers
Simon Fischer, Shahram Khazaei, Willi Meier

15:30 – 16:00 Correlated Keystreams in MOUSTIQUE
Emilia Käsper, Vincent Rijmen, Tor E. BjØrstad, Christian Rechberger, Matt Robshaw, Gautham Sekar

16:00 – 16:30 Coffee break
Session 8: ANALYSIS OF STREAM CIPHERS II

16:30 – 17:00 Stream Ciphers using a Random Update Function: Study of the Entropy of the Inner State
Andrea Röck

17:00 – 17:30 Analysis of Grain’s Initialization Algorithm
Christophe De Canniere, Özgül Küçük, Bart Preneel

17:30 – --:-- Rump Session
21:00 – --:-- Gala dinner
Friday, June 13, 2008
Session 9: HASH FUNCTIONS

09:00 – 09:30 Password Recovery on Challenge and Response: Impossible Differential Attack on Hash Function
Yu Sasaki, Lei Wang, Kazuo Ohta, Noboru Kunihiro


09:30 – 10:00 How (Not) to Efficiently Dither Blockcipher-Based Hash Functions?
Jean-Philippe Aumasson and Raphael C.-W. Phan

10:00 – 10:30 Coffee break
Session 10: BROADCAST ENCRYPTION

10:30 – 11:00 Attribute-Based Broadcast Encryption Scheme Made Efficient
David Lubicz, Thomas Sirvent

11:00 – 11:30 Lower Bounds for Subset Cover Based Broadcast Encryption
Per Austrin, Gunnar Kreitz


11:30 – 12:30 Invited talk 3:
The Psychology of Security
Bruce Schneier

12:30 – 14:30 Lunch break
Session 11: IMPLEMENTATION

14:30 – 15:00 On Compressible Pairings and their Computation
Michael Naehrig, Paulo S. L. M. Barreto, Peter Schwabe

15:00 – 15:30 Twisted Edwards Curves
Daniel J. Bernstein, Peter Birkner, Marc Joye, Tanja Lange, Christiane Peters

15:30 – 16:00 Efficient Multiplication in F3lm
Murat Cenk, Ferruh Özbudak

16:00 – 16:05 Closing remarks
Saturday - Sunday, June 14-15, 2008: Excursion to Marrakech

Departure for Marrakech : Saturday, June 14, 2008 at 09:00
Return to Casablanca : Sunday, June 15, 2008 at 10:00

 

 

 

Welcome to Africa Crypt 2008


Africacrypt 2008 is a scientific conference that focuses on research in cryptology. It is organized by the Moroccan Association for Cryptography (AMC) in cooperation with the International Association for Cryptologic Research (IACR).

IMPORTANT DATES (Notice)
November 24, 2007 18:00 GMT Submission deadline
February 12, 2008 Notification of acceptance
March 13, 2008 Proceedings version due
March 15, 2008 Stipends deadline
May 15, 2008 Late registration deadline
JUNE 11-14, 2008 Conference

PROGRAM CHAIR
Professor Serge Vaudenay
Ecole Polytechnique Fédérale de Lausanne
Security and Cryptography Laboratory
Station 14 INF Building
CH-1015 Lausanne - Switzerland
       

GENERAL CHAIR
Professor Abdelhak Azhari
Address: Mr A. AZHARI (President of the AMC)
Department of Mathematics and data-processing
ECOLE NORMALE SUPERIEURE DE Casablanca
B P. 50069 Casa - Gandhi Casablanca - MOROCCO
Fax: 00 - 212 - 022 - 98 - 53 - 26
Tel: 00 - 212 - 063 - 64 - 88 - 70
Email: aazhari@amcrypto.org

 

Last Updated: 2 July 2007