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Old 2009-06-16, 13:55   #1
May 2009
Loughborough, UK

548 Posts
Thumbs down SHA-1 Crypto Hash weakened

The 160 bit SHA-1 crypto hash has been further weakened.

There is a collision attack (not a full break) that allows 252 attempts, within the range of a distributed attack.

Cameron McDonald
Philip Hawkes, and Josef Pieprzyk

Centre for Advanced Computing, Algorithms and Cryptography

Department of Computing, Macquarie University

There is now an open competition for a new crypto hash able to withstand 2256 attempts.
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