Primary definition
o change the value of a cryptographic key that is being used in a cryptographic system application; this normally entails issuing a new certificate on the new public key. (SP 800-32 Release) (NISTIR)
Also known ascertificate rekeying · key rotation · certificate renewal · key update · certificate refresh
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
o change the value of a cryptographic key that is being used in a cryptographic system application; this normally entails issuing a new certificate on the new public key. (SP 800-32 Release) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Rekey (a Certificate) – T. In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/rekey-a-certificate-t
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
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