DSA

A Federal Information Processing Standard for digital signatures, based on the mathematical concept of modular exponentiations and the discrete logarithm problem.

See the following for more information:
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.

See NIST S P 800-175B Rev. 1 under Digital Signature Algorithm for more information.

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