4.6.1.3 IdP Runtime Decisions

Every RP that is in a trust agreement with an IdP but not on an allowlist with that IdP SHALL be governed by a default policy in which runtime authorization decisions will be made by an authorized party that is identified by the trust agreement. Since the runtime decision occurs during the federation transaction, the authorized party is generally a person and, in most circumstances, is the subscriber. However, it is possible for another party such as a system administrator to be prompted on behalf of the subscriber. In a subscriber-driven trust agreement, a runtime decision with the subscriber is the only allowable means to authorize the release of subscriber attributes.

When processing a runtime decision, the IdP interactively prompts the authorized party during the federation transaction. The authorized party provides consent to release an authentication assertion and specific attributes to the RP. The IdP SHALL provide the authorized party with explicit notice and prompt them for positive confirmation before any attributes about the subscriber are transmitted to the RP. At a minimum, the notice SHOULD be provided by the party in the position to provide the most effective notice and obtain confirmation, consistent with Sec. 7.2. The IdP SHALL disclose which attributes will be released to the RP if the transaction is approved. If the federation protocol in use allows for optional or selective attribute disclosure at runtime, the authorized party SHALL be given the option to decide whether to transmit specific attributes to the RP without terminating the federation transaction entirely.

If the authorized party is the subscriber, the IdP SHALL provide mechanisms for the subscriber to view the attribute values and derived attribute values to be sent to the RP. To mitigate the risk of unauthorized exposure of sensitive information (e.g., shoulder surfing), the IdP SHALL, by default, mask sensitive information displayed to the subscriber. For more details on masking, see Sec. 8 on usability considerations.

An IdP MAY employ mechanisms to remember the authorized party’s decision and re-transmit the same set of attributes to the same RP. This mechanism is associated with the subscriber account as managed by the IdP. If such a mechanism is provided, the IdP SHALL disclose to the authorized party that the storage mechanism is in use and SHALL allow the authorized party to revoke such remembered access at a future time.

1. Pregled

1.1 Reference

1.2 Utvrđeni zahtjevi

1.3 Povezani propisi

2. Utvrđeni zahtjevi

3. Povezani propisi

• NIST -

  EN: Publications of the National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, from their electronic versions (OSCAL; SP 800-63-4 from its HTML version, https://pages.nist.gov/800-63-4/). Works of NIST employees are not subject to copyright protection in the United States (17 U.S.C. § 105); the OSCAL content is dedicated to the public domain worldwide (CC0 1.0); outside the United States NIST grants the right to reprint its technical series publications in all formats (NIST copyright statement). Republished courtesy of the National Institute of Standards and Technology; each document names its citation. Divided into sections and converted into the GRCA format, the wording unchanged. Only the versions published by NIST are authoritative.

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