Date Published: May 2019
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Draft NISTIR 8213 provides a reference for implementing interoperable randomness beacons. The document defines terminology and notation, a format for pulses, a protocol for beacon operations, hash-chaining and skiplists of pulses, and the beacon interface calls. It also provides directions for how to use beacon randomness, and includes security considerations. With the release of this draft publication, NIST intends to seek constructive feedback from interested parties.
NOTE: A call for patent claims is included on page iv of this draft. For additional information, see the Information Technology Laboratory (ITL) Patent Policy--Inclusion of Patents in ITL Publications.
Keywords cryptography; public randomness; beacons; hash chaining; timestamping; auditability; unpredictability