Primary definition
Used by a cryptographic device in support of its Type 4 functionality, i.e., any provision of key that lacks U.S. government endorsement or oversight. (CNSSI-4009) (NISTIR)
Also known asType 4 Key · Type-4 Key · Type IV Key · Type 4 keying material · Type 4 cryptographic key · Type IV cryptographic key
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
Used by a cryptographic device in support of its Type 4 functionality, i.e., any provision of key that lacks U.S. government endorsement or oversight. (CNSSI-4009) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Type 4 Key. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/type-4-key
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
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