Computer Security Resource Center

Computer Security Resource Center

Computer Security
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SP 800-175B

Guideline for Using Cryptographic Standards in the Federal Government: Cryptographic Mechanisms

Date Published: August 2016

Supersedes: SP 800-21 Second edition (December 2005)


Elaine Barker (NIST)



asymmetric-key algorithm; authentication; confidentiality; cryptography; digital signatures; encryption; integrity; key agreement; key derivation; key management; key transport; key wrapping; message authentication codes; non-repudiation; Public Key Infrastructure; random bit generation; symmetric-key algorithm
Control Families

Identification and Authentication; System and Communications Protection; System and Information Integrity;


SP 800-175B (DOI)
Local Download

Supplemental Material:
Comments Received from Final Draft (pdf)

Document History:
Draft SP 800-175B (3/11/16)
SP 800-175B (8/22/16)