RFC 4634: US Secure Hash Algorithms (SHA and HMAC-SHA)

The United States of America has adopted a suite of Secure Hash Algorithms (SHAs), including four beyond SHA-1, as part of a Federal Information Processing…

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Outgoing relationships (1 related RFC)

Updates — RFC 3174: US Secure Hash Algorithm 1 (SHA1)

Incoming relationships (9 related RFCs)

Obsoleted by — RFC 6234: US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF)
Normatively referenced by — RFC 6222: Guidelines for Choosing RTP Control Protocol (RTCP) Canonical Names (CNAMEs)
Normatively referenced by — RFC 5708: X.509 Key and Signature Encoding for the KeyNote Trust Management System
Informatively referenced by — RFC 5077: Transport Layer Security (TLS) Session Resumption without Server-Side State
Informatively referenced by — RFC 5709: OSPFv2 HMAC-SHA Cryptographic Authentication
Informatively referenced by — RFC 5754: Using SHA2 Algorithms with Cryptographic Message Syntax
Informatively referenced by — RFC 4808: Key Change Strategies for TCP-MD5
Informatively referenced by — RFC 4869: Suite B Cryptographic Suites for IPsec
Informatively referenced by — RFC 5008: Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)