Public key

1. Public part of an asymmetric key pair that is typically used to verify digital signatures or encrypt data.

Source: Election Terminology Glossary - Draft, National Institute of Standards and Technology (NIST), https://pages.nist.gov/ElectionGlossary/; Glossary of terms database, U.S. Election Assistance Commission, https://www.eac.gov/glossary/

2. The public part of an asymmetric key pair that is uniquely associated with an entity and that may be made public.

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

3. A cryptographic key that may be widely published and is used to enable the operation of an asymmetric (public key) cryptographic algorithm.

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