Primary definition
To change the value of a cryptographic key that is being used in a cryptographic system/application. (CNSSI-4009) (NISTIR)
Also known askey rotation · key change · key update · key replacement
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
To change the value of a cryptographic key that is being used in a cryptographic system/application. (CNSSI-4009) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Rekey. In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/rekey
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
Single-source
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