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Line 1: {{Short description\|A function computed by two parties that emulates a random oracle.}} An '''oblivious pseudorandom function''' (OPRF) is a [[Cryptography\|cryptographic]] function, similar to a [[HMAC\|keyed-hash function]], but with the distinction that in an OPRF [[Secure_two-party_computation\|two parties]] ~~work together~~cooperate to [[Secure_multi-party_computation\|securely compute]] a [[Pseudorandom function family\|pseudorandom function]] (PRF).<ref name="oprf">{{cite journal \|last1=Casacuberta \|first1=Sílvia \|last2=Hesse \|first2=Julia \|last3=Lehmann \|first3=Anja \|title=SoK: Oblivious Pseudorandom Functions \|journal=Cryptology ePrint Archive \|date=2022 \|volume=Paper 2022/302 \|url=https://eprint.iacr.org/2022/302}}</ref> == Definition ==

Oblivious pseudorandom function: Difference between revisions