Prove that I know string that hash to h

Asked Jan 06 '21 at 23:36

Active Jan 07 '21 at 07:07

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Lets say p = str and h = SHA512(p) i send the h which is the SHA512 of p to a friend using via email my friend in order to be sure that I'm the right person ask me to prove that I know the p. How can I can prove that I know p without disclosing it ??

As I have read so far its possible via zero-knowledge proof. Any pseudocode or python example are welcome.

edited Jan 07 '21 at 07:07

fgrieu

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asked Jan 06 '21 at 23:36

root8

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Does this answer your question? Proving knowledge of a preimage of a hash without disclosing it? – mentallurg Jan 07 '21 at 05:09
There are more questions tagged zero-knowledge-proofs and hash. – fgrieu Jan 07 '21 at 07:05

Prove that I know string that hash to h

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