identifier
A data object -- often, a printable, non-blank character string -- that definitively represents a specific identity of a system entity, distinguishing that identity from all others. (Compare: identity.)
Senses
(I)
A data object -- often, a printable, non-blank character string -- that definitively represents a specific identity of a system entity, distinguishing that identity from all others. (Compare: identity.)
Tutorial: Identifiers for system entities must be assigned very carefully, because authenticated identities are the basis for other security services, such as access control service.
References
- IETF RFC 4949 (Internet Security Glossary)Jan 06, 2026RFC 4949 — Internet Security Glossary (Version 2)https://www.rfc-editor.org/rfc/rfc4949.txtRFC 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).