Collisions are not as benign as they seem
Posted Aug 19, 2004 9:18 UTC (Thu) by
copsewood (subscriber, #199)
In reply to:
Collisions are not as benign as they seem by proski
Parent article:
Crypto researchers abuzz over flaws (News.com)
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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