[CFRG] I-D Action: draft-irtf-cfrg-voprf-16.txt
internet-drafts@ietf.org Mon, 28 November 2022 19:04 UTC
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Subject: [CFRG] I-D Action: draft-irtf-cfrg-voprf-16.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Crypto Forum RG of the IRTF. Title : Oblivious Pseudorandom Functions (OPRFs) using Prime-Order Groups Authors : Alex Davidson Armando Faz-Hernandez Nick Sullivan Christopher A. Wood Filename : draft-irtf-cfrg-voprf-16.txt Pages : 71 Date : 2022-11-28 Abstract: An Oblivious Pseudorandom Function (OPRF) is a two-party protocol between client and server for computing the output of a Pseudorandom Function (PRF). The server provides the PRF secret key, and the client provides the PRF input. At the end of the protocol, the client learns the PRF output without learning anything about the PRF secret key, and the server learns neither the PRF input nor output. An OPRF can also satisfy a notion of 'verifiability', called a VOPRF. A VOPRF ensures clients can verify that the server used a specific private key during the execution of the protocol. A VOPRF can also be partially-oblivious, called a POPRF. A POPRF allows clients and servers to provide public input to the PRF computation. This document specifies an OPRF, VOPRF, and POPRF instantiated within standard prime-order groups, including elliptic curves. This document is a product of the Crypto Forum Research Group (CFRG) in the IRTF. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-irtf-cfrg-voprf/ There is also an HTML version available at: https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-16.html A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-irtf-cfrg-voprf-16 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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