Digital signature

1. A cryptographic operation where the private key is used to digitally sign an electronic document and the public key is used to verify the signature. Digital signatures provide data authentication and integrity protection.

Source: Election Terminology Glossary - Draft, National Institute of Standards and Technology (NIST), https://pages.nist.gov/ElectionGlossary/

2. An asymmetric key operation where the private key is used to digitally sign an electronic document and the public key is used to verify the signature. Digital signatures provide data authentication and integrity protection.

Source: Glossary of terms database, U.S. Election Assistance Commission, https://www.eac.gov/glossary/

3. Encryption of a message using the sender’s secret key which authenticates the identity of the sender.

Source: Independent Panel on Internet Voting, British Columbia, https://elections.bc.ca/docs/recommendations-report.pdf

4. A value computed with a cryptographic process using a private key and then appended to a data object, thereby digitally signing the data.

Source: Explore Terms: A Glossary of Common Cybersecurity Terminology, National Initiative for Cybersecurity Careers and Studies (NICCS), https://niccs.us-cert.gov/about-niccs/glossary