A Federal Information Processing Standard for digital signatures, based on the mathematical concept of modular exponentiations and the discrete logarithm problem.
Sources:
NIST SP 1800-16B
under Digital Signature Algorithm
NIST SP 1800-16C
under Digital Signature Algorithm
NIST SP 1800-16D
under Digital Signature Algorithm
A public-key algorithm that is used for the generation and verification of digital signatures.
Sources:
NIST SP 800-175B Rev. 1
under Digital Signature Algorithm