How difficult is it to break the OpenPGP 40 character long fingerprint?

[Melvin Carvalho]

On 2 April 2013 02:04, Robert J. Hansen <rjh at sixdemonbag.org> wrote:

> On 4/1/2013 6:38 PM, Melvin Carvalho wrote:
> > differential path attack. On 8 November 2010, he claimed he had a fully
> > working near-collision attack against full SHA-1 working with an
> > estimated complexity equivalent to 257.5 SHA-1 compressions. He
> > estimates this attack can be extended to a full collision with a
> > complexity around 2^61.
>
> This is not a preimage attack, which is what one would need to forge a
> certificate fingerprint.
>

Got it, thanks ...


>
>
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