| 1. Definition | 2. Functional Requirements | 3. Syntax | 4. Semantics |
1 Definition
An Item generated by
1. A Process requesting a Service to confirm that an Item is what it claims to be.
2. A Service containing the response to the request.
2 Functional Requirements
An Authentication Item contains:
- In the Authentication Request:
- The M-Location wrapping the Item to be Authenticated.
- The Media Type of the Item.
- The claimed identity of the Item.
- In the Authentication Response:
- Confidence.
Examples of Item that may be subject to Authentication are:
- A Speech produced by a User.
- The visual appearance (Persona) of a User.
3 Syntax
https://schemas.mpai.community/MMM4/V2.1/data/Authentication.json
4 Semantics
| Label | Description |
| Header | Authentication Header |
| – Standard-Authentication | The characters “MMM-AUT-V” |
| – Version | Major version – 1 or 2 characters |
| – Dot-separator | The character “.” |
| – Subversion | Minor version – 1 or 2 characters |
| M-InstanceID | Identifier of M-Instance. |
| AuthenticationID | Identifier of Authentication Item. |
| AuthenticationRequest | Authentication request |
| – MLocation | The M-Location including the Item to be Authenticated. |
| – PerceptibleEntity | Item if Perceptible Entity. |
| – ClaimedIdentity | The claimed identity. |
| AuthenticationResponse | Authentication response |
| – Confidence | A number between 0 and 1. |
| DescrMetadata | Descriptive Metadata |