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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:

  1. In the Authentication Request:
    1. The M-Location wrapping the Item to be Authenticated.
    2. The Media Type of the Item.
    3. The claimed identity of the Item.
  2. In the Authentication Response:
    1. Confidence.

Examples of Item that may be subject to Authentication are:

  1. A Speech produced by a User.
  2. 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

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