In use case 3, a service is provided by the Service Provider to the Human Service Consumer. Identity info is held at the Identity Provider.
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As no delegation takes place, the Entitled Party is also the Service Consumer.
Note that an Identity Broker is introduced to broker the relation between the Service Provider and the Identity Provider(s) and/or the Service Provider and the Authorisation Registry(s).
Depiction
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This is optional and useful in situations with several Identity Providers and/or Authorisation Registries.
Depiction
Legal view
Prerequisite registration
Interaction
Description
It is prerequisite of this use case that:
- The Service Provider has and manages its own entitlement information authorisation information indicating what Entitled Parties are entitled to what (parts of) services*;
- The Service Consumer has and manages its own authorisation information indicating which Human Service Consumers are authorised to act on its behalf**;
- The Service delegation/authorisation responsible at the the Service Consumer registers the authorisation information at at the Service Provider;
- The Human Service Consumer is able to authenticate the Service Provider;
- The Service Provider is able to authenticate the Human Service Consumer;
- The Identity Provider is able to authenticate the Service Provider;
- The Service Provider is able to authenticate the Identity Provider;
- The Identity Broker is able to authenticate the Service Provider;
- The Service Provider is able to authenticate the Identity Broker;
- The Human Service Consumer has been issued identity credentials by the Identity Provider.
In this use case the Entitled Party is also the Service Consumer.
*The Service Provider can outsource this function to a third party
**The Service Consumer Entitled Party can outsource this function to a third party
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- The Human Service Consumer requests a service from the Service Provider;
- The Service Provider requests a login from the Identity Broker;
- The Identity Broker asks the Human Service Consumer to select his Identity Provider;
- The Identity Broker requests a login from the Identity Provider;
- The Identity Provider authenticates the Human Service Consumer;
- The Identity Provider issues an identity assertion for the Service Provider to the Identity Broker;
- The Identity Broker forwards the identity assertion to the Service Provider;
- The Service Provider validates the identity assertion through the following steps:
- The Service Provider authenticates the Identity Broker and validates its iSHARE certification;
- The Service Provider authenticates the Identity Provider and validates its iSHARE certification.
- The Service Provider authenticates the Human Service Consumer based on the validity of the identity assertion, and validates the iSHARE adherence of the Service Consumer;
- The Service Provider authorises the Human Service Consumer of the Service Consumer based on the entitlement information authorisation information registered with the Service Provider;
- The Service Provider executes the requested service;
- The Service Provider provides the service result to the Human Service Consumer.
Sequence diagram
Note that an Identity Broker can be introduced to broker the relation between the Service Provider and the Identity Provider(s) and/or the Service Provider and the Authorisation Registry(s). This is optional and useful in situations with several Identity Providers and/or Authorisation Registries. This
This use case would look as follows with a Service without an Identity Broker:
Depiction
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without Identity Broker
Description
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without Identity Broker
It is prerequisite of this use case that:
- The Service Provider has and manages its own authorisation information entitlement information indicating what Entitled Parties are entitled to what (parts of) services*;
- The Service Consumer has and manages its own authorisation information indicating which Human Service Consumers are authorised to act on its behalf**;
- The Service Consumer registers the authorisation information at the Service Provider;
- The Human Service Consumer is able to authenticate the Service Provider;
- The Service Provider is able to authenticate the Human Service Consumer;
- The Identity Provider is able to authenticate the Service Provider;
- The Service Provider is able to authenticate the Identity Provider;The Identity Broker is able to authenticate the Service Provider;
- The Service Provider is able to authenticate the Identity Broker;The Human Service Consumer has been issued identity credentials by the Identity Provider.
In this use case the Entitled Party is also the Service Consumer.
*The Service Provider can outsource this function to a third party
**The Entitled Party Service Consumer can outsource this function to a third party
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- The Human Service Consumer requests a service from the Service Provider;
- The Service Provider requests a login from the Identity Broker;
- The Identity Broker asks the Human Service Consumer to select his Identity Provider;
- The Identity Broker requests a login from the Identity Provider;
- The Identity Provider authenticates the Human Service Consumer;
- The Identity Provider issues an identity assertion for the Service Provider to the Identity Broker;The Identity Broker forwards the identity assertion to the Service Provider;
- The Service Provider validates the identity assertion through the following steps:
- The Service Provider authenticates the Identity Broker and validates its iSHARE certification;The Service Provider authenticates the Identity Provider and validates its iSHARE certification.
- The Service Provider authenticates the Human Service Consumer based on the validity of the identity assertion, and validates the iSHARE adherence of the Service Consumer;
- The Service Provider authorises the Human Service Consumer of the Service Consumer based on the authorisation information entitlement information registered with the Service Provider;
- The Service Provider executes the requested service;
- The Service Provider provides the service result to the Human Service Consumer.
Sequence diagram
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