iat
Registry Context
`iat` is an optional introspection-response field that reports when the token was originally issued.
Technical Summary
RFC 7662 defines `iat` as an optional top-level member of the token introspection response. Its value is an integer timestamp measured in seconds since 1970-01-01 UTC, indicating when the token was originally issued.
When Used
When reporting a token's original issuance time in an introspection response.
Normative Requirements
Authorization servers
RFC 7519 - Section 4.1.6
The `iat` value MUST be a number containing a NumericDate value..
Condition: If `iat` is included in the introspection response.
Its value MUST be a number containing a NumericDate value.
RFC 7662 - Section 2.2
Inclusion of the `iat` member in the introspection response is OPTIONAL..
iat OPTIONAL.
Validation Guidance
Flag `iat` values that are not integer timestamps as invalid under the RFC 7662 field definition.
Flag `iat` values that do not represent seconds since 1970-01-01 UTC as invalid under the RFC 7662 field definition.
Allow `iat` to be absent from the introspection response.
Reference
Details
- Entry Id
iat- Name
iat- Description
Issuance timestamp of the token- Change Controller
IESG- Reference
RFC7662 - Section 2.2