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NIST SP 800-56B Rev. 2

Recommendation for Pair-Wise Key-Establishment Using Integer Factorization Cryptography

Date Published: March 2019

Supersedes: SP 800-56B Rev. 1 (10/01/2014)

Planning Note (01/06/2026):

This publication has been reaffirmed as current as of January 6, 2026. See this announcement for more details.


Author(s)

Elaine Barker (NIST), Lily Chen (NIST), Allen Roginsky (NIST), Apostol Vassilev (NIST), Richard Davis (NSA), Scott Simon (NSA)

Abstract

Keywords

assurances; integer factorization cryptography; key agreement; key confirmation; key derivation; key establishment; key management; key recovery; key transport
Control Families

System and Communications Protection

Documentation

Publication:
https://doi.org/10.6028/NIST.SP.800-56Br2
Download URL

Supplemental Material:
Comments received on Draft SP 800-56B Rev. 2 (July 2018) (pdf)

Publication Parts:
SP 800-56A Rev. 3
SP 800-56C Rev. 2

Document History:
07/10/18: SP 800-56B Rev. 2 (Draft)
03/21/19: SP 800-56B Rev. 2 (Final)

Topics

Security and Privacy

key management