[Cryptography] Name for a specific type of preimage resistance
Michael Kjörling
9bf3a7ef93bb at ewoof.net
Fri Dec 9 06:59:00 EST 2022
On 8 Dec 2022 12:35 +0000, from pgut001 at cs.auckland.ac.nz (Peter Gutmann):
> Is there a name for this special-case preimage attack, find the one preimage
> that contains the secret value, to distinguish it from a generic preimage
> attack, find any preimage?
Isn't that simply first and second preimage resistance, respectively?
First preimage resistance being the difficulty of finding some value x
such that h(x) = y for a given y; second preimage resistance being the
difficulty of finding two values x ≠ x' such that h(x) = h(x').
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✍ Michael Kjörling 🏡 https://michael.kjorling.se
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