The Digital Signature Standard (DSS) is a Federal Information Processing Standard specifying a suite of algorithms that can be used to generate digital signatures established by the U.S. National Institute of Standards and Technology (NIST) in 1994.
Four revisions to the initial specification have been released:
- FIPS 186-1 in 1996
- FIPS 186-2 in 2000
- FIPS 186-3 in 2009
- FIPS 186-4 in 2013