Elliptic Curve Digital Signature Algorithm specified in ANSI X9.62 and approved in FIPS 186.
Sources:
NIST SP 1800-16C
under Elliptic Curve Digital Signature Algorithm
A digital signature algorithm that is an analog of DSA using elliptic curves.
Sources:
NIST SP 800-175B Rev. 1
under Elliptic Curve Digital Signature Algorithm