Re:Programming Zero Knowledge Proofs: From Zero to Hero
by somezero on Monday September 02, 2024 @02:54AM
(#41423196)
A signature is a PoK, but not ZK.
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Re:Programming Zero Knowledge Proofs: From Zero to Hero
by somezero on Sunday September 08, 2024 @11:10PM
(#41485131)
> zk signature schemes exist and are implied by the existence of one way functions and publicly verifiable nizk.
Almost. The result is from CRYPTO89 paper of Bellare and Goldwasser. They derive a signature scheme from a nizk. It is not known whether you can get a nizk from a signature scheme. Moreover, no signature scheme can be a ZK: https://crypto.stackexchange.com/questions/35177/is-using-di...