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Collisions are not as benign as they seemCollisions are not as benign as they seemPosted Aug 18, 2004 19:48 UTC (Wed) by proski (subscriber, #104)In reply to: Crypto researchers abuzz over flaws (News.com) by hamjudo Parent article: Crypto researchers abuzz over flaws (News.com) Wikipedia entry for Birthday attack describes how to exploit a hash collision for fraudulent purposes.
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Collisions are not as benign as they seem Posted Aug 19, 2004 9:18 UTC (Thu) by copsewood (subscriber, #199) [Link] Interesting. One defence against the kind of birthday attack described in the Wikipedia entry would be to edit a contract before signing it, e.g. by altering whitespace in a very unpredictable manner. The meaning of the contract would be the same, but the cryptographic hash would be totally different.
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