collision vs. preimage attacks: policy for signing data created by others

Robert J. Hansen rjh at
Fri Oct 5 11:59:15 CEST 2012

On 10/5/2012 4:28 AM, Hubert Kario wrote:
> I don't think there are any collisions for SHA-1 published

The first SHA-1 collisions were published in 2005, somewhere in there.
A team at Shengdong University discovered them.

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