Progress in Cryptology -- AFRICACRYPT 2009

- Hash Functions

- Second Preimage Attack on 5-Pass HAVAL and Partial Key-Recovery Attack on HMAC/NMAC-5-Pass HAVAL

- Cryptanalysis of Vortex

- Two Passes of Tiger Are Not One-Way

- Block Ciphers

- Generic Attacks on Feistel Networks with Internal Permutations

- Distinguishers for Ciphers and Known Key Attack against Rijndael with Large Blocks

- Asymmetric Encryption

- Reducing Key Length of the McEliece Cryptosystem

- Cryptanalysis of RSA Using the Ratio of the Primes

- Digital Signatures

- New RSA-Based (Selectively) Convertible Undeniable Signature Schemes

- A Schnorr-Like Lightweight Identity-Based Signature Scheme

- On the Theoretical Gap between Group Signatures with and without Unlinkability

- Practical Threshold Signatures with Linear Secret Sharing Schemes

- Asymmetric Encryption and Anonymity

- Certified Encryption Revisited

- Threshold Attribute-Based Signatures and Their Application to Anonymous Credential Systems

- Anonymity from Public Key Encryption to Undeniable Signatures

- Key Agreement Protocols

- Security Analysis of Standard Authentication and Key Agreement Protocols Utilising Timestamps

- Password-Authenticated Group Key Agreement with Adaptive Security and Contributiveness

- Cryptographic Protocols

- Unifying Zero-Knowledge Proofs of Knowledge

- Co-sound Zero-Knowledge with Public Keys

- Another Look at Extended Private Information Retrieval Protocols

- Constructing Universally Composable Oblivious Transfers from Double Trap-Door Encryptions

- Efficient Implementations

- Exponent Recoding and Regular Exponentiation Algorithms

- Efficient Acceleration of Asymmetric Cryptography on Graphics Hardware

- Fast Elliptic-Curve Cryptography on the Cell Broadband Engine

- On Modular Decomposition of Integers

- Implementation Attacks

- Breaking KeeLoq in a Flash: On Extracting Keys at Lightning Speed

- An Improved Fault Based Attack of the Advanced