A hash function specified in FIPS 180-2, the Secure Hash Standard.
NIST SP 800-89 under SHA-1
The Secure Hash Algorithm defined in Federal Information Processing Standard 180-1.
NIST SP 800-22 Rev. 1a under SHA-1
The SHA-1 hash for the resource.
NIST SP 800-70 Rev. 3 under SHA-1 [Superseded]