TERM

ephemeral

Refers to a cryptographic key or other cryptographic parameter or data object that is short-lived, temporary, or used one time. (See: session key. Compare: static.)

Updated

Jan 06, 2026

Senses

(I) /adjective/

Refers to a cryptographic key or other cryptographic parameter or data object that is short lived, temporary, or used one time. (See: session key. Compare: static.)

Refers to a cryptographic key or other cryptographic parameter or data object that is short-lived, temporary, or used one time. (See: session key. Compare: static.)

IETF RFC 4949 (Internet Security Glossary)

Bibliography

IETF RFC 4949 (Internet Security Glossary)
Accessed Jan 06, 2026Quoted
RFC 4949 — Internet Security Glossary (Version 2)
https://www.rfc-editor.org/rfc/rfc4949.txt
RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.
Source: IETF RFC 4949 (rfc-editor.org).