+3.4.1.3 Shared Pairwise Pseudonymous Identifiers
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3.4.1.3 Shared Pairwise Pseudonymous Identifiers
The same shared PPI SHALL be used for a specific set of RPs if all of the following criteria are met:
The trust agreement stipulates a shared PPI for a specific set of RPs.
The authorized party consents to and is notified of the use of a shared PPI.
Those RPs have a demonstrable relationship that justifies an operational need for the correlation, such as a shared security domain or shared legal ownership.
All RPs in the set of a shared PPI consent to being correlated in such a manner (i.e., one RP cannot request to have another RP’s PPI without that other RP’s knowledge and consent).
The RPs SHALL conduct a privacy risk assessment to consider the privacy risks associated with requesting a shared PPI. See Sec. 7.2 for further privacy considerations. The IdP SHALL ensure that only intended RPs are included in the set. Otherwise, a rogue RP could learn the shared PPI for a set of RPs by fraudulently posing as part of that set. The sector identifier feature of [OIDC] provides a mechanism to calculate a shared PPI for a group of RPs. In this protocol, the identifiers of the RPs are all listed at a URL that can be fetched by the IdP over an authenticated protected channel. The shared PPI is calculated by considering the sector identifier URL along with other inputs to the algorithm such that all RPs listed in the sector identifier URL’s contents receive the same shared PPI.
1. Oversigt
1.1 Referencer
1.2 Identificerede krav
1.3 Relaterede reguleringer
2. Identificerede krav
3. Relaterede reguleringer
Reguleringer
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Regulering |
- 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.
DE: Veröffentlichungen des National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, aus ihren elektronischen Fassungen (OSCAL; SP 800-63-4 aus ihrer HTML-Fassung, https://pages.nist.gov/800-63-4/). Werke von NIST-Beschäftigten sind in den USA urheberrechtlich nicht geschützt (17 U.S.C. § 105); die OSCAL-Inhalte sind weltweit gemeinfrei gestellt (CC0 1.0); außerhalb der USA räumt das NIST das Recht ein, seine Technical-Series-Publikationen in allen Formaten neu zu veröffentlichen (Copyright-Hinweis des NIST). „Republished courtesy of the National Institute of Standards and Technology“; jedes Dokument nennt seine Zitierangabe. In Abschnitte aufgeteilt und in das GRCA-Format umgewandelt, der Wortlaut unverändert. Maßgeblich sind allein die vom NIST veröffentlichten Fassungen.
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