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RFC 3110: I am working in Project to Improve SHA-1 to be Not easy to...

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Comment by Mahmoud Maqableh - M5vip
Submitted on 1/2/2006
Related RFC: RFC 3110
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I am working in Project to Improve SHA-1 to be Not easy to Attack ,,, I think I will be publish the Result in 1/6/2006 .see ,,,,, A research team of Xiaoyun Wang, Yiqun Lisa Yin, and Hongbo Yu (from Shandong University in China) have been circulating a draft paper describing an attack on SHA-1 that ‘breaks’ SHA-1. Cryptographers’ use the term broken whenever they can demonstrate the vulnerability is more successful than a simple ‘brute force’ attack. In this case the vulnerability is related to collisions and the exploit would still require significant computing power.The research teams have developed a set of new techniques that are very effective for searching collisions in SHA1. The team analysis shows that collisions of SHA1 can be found with complexity less than 269 hash operations. This is the first attack on the full 80-step SHA1 with complexity less than the 280 theoretical bound.

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