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State Hash



Georgi Guninski <[email protected]> wrote:
> second, it is not known even if P â?  NP, can a sufficiently
> powerful quantum computer solve SAT efficiently? -- if the 
> answer is ``yes'' djb & co fail.

And yet a quantum computer efficiently solving SAT would be
substantially more surprising than P=NP!

Quantum computation is not magic; the limits of quantum mechanics
already imply relatively strong lower bounds for quantum hash
collision search.

-=rsw