Primary definition
A cryptographic algorithm that uses a single secret key for both encryption and decryption. SOURCE: FIPS 140-2 A cryptographic algorithm that uses a single key (i.e., a secret key) for both encryption and decryption. (CNSSI-4009) (NISTIR)
Also known assymmetric key algorithm · symmetric encryption · secret key algorithm · symmetric cipher · shared key algorithm · private key algorithm · conventional encryption
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
A cryptographic algorithm that uses a single secret key for both encryption and decryption. SOURCE: FIPS 140-2 A cryptographic algorithm that uses a single key (i.e., a secret key) for both encryption and decryption. (CNSSI-4009) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Secret Key (symmetric) Cryptographic Algorithm. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/secret-key-symmetric-cryptographic-algorithm
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
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