Non-Repudiation
Field: Security
Non-repudiation is the security property that prevents a party from credibly denying an action they took, by preserving evidence of who did what, when, and where.
Main article: Non-Repudiation in Cybersecurity
In cryptography, non-repudiation has a narrower, formal meaning: assurance that data’s integrity and origin can be verified by a third party as coming from the holder of a specific private key, as provided by digital signatures. See NIST’s cryptographic definition of non-repudiation and the FIPS 186-5 Digital Signature Standard.
Sources
- non-repudiation, NIST Computer Security Resource Center Glossary. Retrieved September 24, 2026.
- FIPS 186-5, Digital Signature Standard (DSS), NIST. Retrieved September 24, 2026.
See also
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Articles
- Non-Repudiation in Cybersecurity September 16, 2026
- On Flock Cameras and "What Do You Have to Hide" September 15, 2026
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- Non-Repudiation in Cybersecurity September 16, 2026