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2009-06-16, 13:55
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#1 |
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May 2009
Loughborough, UK
22×11 Posts |
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. http://www.theregister.co.uk/2009/06...ture_weakness/ Cameron McDonald Philip Hawkes, and Josef Pieprzyk Centre for Advanced Computing, Algorithms and Cryptography Department of Computing, Macquarie University http://eprint.iacr.org/2009/259.pdf There is now an open competition for a new crypto hash able to withstand 2256 attempts. http://www.theregister.co.uk/2008/11/04/secure_hash_competition/ |
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