News

Simple and secure identification method for RFID chips wins Best Paper Award

New record decomposition into prime numbers demonstrates vulnerability of important cryptographic keys

Researchers of the Cryptology and Information Security group of the Centrum Wiskunde & Informatica (CWI) in Amsterdam with partners from Germany (BSI and Bonn University), France (INRIA Nancy), Japan (NTT) and Switzerland …

New mechanism for Internet security wins Best Paper Award

Safe electronic communication without keys

On 11 March Robbert de Haan (CWI) received his PhD in mathematics at Leiden University with his thesis Algebraic Techniques for Low Communication Secure Protocols.

Experts uncover weakness in Internet security

Independent security researchers in California and researchers at the Centrum Wiskunde & Informatica (CWI) in the Netherlands, EPFL in Switzerland, and Eindhoven University of Technology (TU/e) in the Netherlands have found a …

CWI contributes to crack RSA-576

An international team of mathematicians and computer scientists including two CWI researchers has found the two prime factors of a specially prepared encryption testing number called RSA-576, a number of 576 bits …

CWI builds new supercomputer

CWI has started the construction of a new supercomputer cluster in the beginning of October 2003. The cluster, consisting of 48 dual and quad AMD Opteron systems, is the first quad Opteron …

Security of E-commerce threatened by 512-bit number factorization

On 22 August 1999, a team of scientists from six different countries, led by Herman te Riele of CWI (Amsterdam), found the prime factors of a 512-bit number, whose size models 95% …