The public key for a user (or device) and a name for the user (or device), together with some other information, rendered unforgeable by the digital signature of the certification authority that issued the certificate, encoded in the format defined in the ISO/ITU-T X.509 standard. Source: NIST SP 800-57 Part 1 Rev 3 (adapted) Also known as X.509 Certificate.
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The public key for a user (or device) and a name for the user (or device), together with some other information, rendered unforgeable by the digital signature of the certification authority that issued the certificate, encoded in the format defined in the ISO/ITU-T X.509 standard. Source: NIST SP 800-57 Part 1 Rev 3 (adapted) Also known as X.509 Certificate.
Cite this term
Election Security Glossary. (2026). X.509 Public Key Certificate. In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/x-509-public-key-certificate
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