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when toggle format what by license comment
Sep 26, 2021 at 17:00 history edited Dmitry Vaintrob CC BY-SA 4.0
typos
Sep 26, 2021 at 16:54 history edited Dmitry Vaintrob CC BY-SA 4.0
previous version had bug
Sep 26, 2021 at 16:31 comment added Dmitry Vaintrob The assumption is that there exists a (in this case, "perfect") hash function which does not have a polynomial-time inverse. This is a standard cryptographic assumption but would fail if, for example, P and NP were equivalent.
Sep 24, 2021 at 12:02 comment added westlon Could you expand what these standard cryptographic assumptions are? Do they apply when you are taking the preimage of one element?
Sep 24, 2021 at 10:24 vote accept westlon
Sep 24, 2021 at 14:24
Sep 24, 2021 at 9:29 history answered Dmitry Vaintrob CC BY-SA 4.0