Digital Identity Guidelines: Federation and Assertions, Special Publication 800-63C, Revision 3
These guidelines provide technical requirements for federal agencies implementing digital identity services and are not intended to constrain the development or use of standards outside of this purpose. This guideline focuses on the use of federated identity and the use of assertions to implement identity federations. Federation allows a given credential service provider to provide…
NIST SP 800-63C provides guidelines for implementing federated digital identity systems, focusing on secure assertion handling, assurance levels, and privacy protections.
It emphasizes enabling users to access multiple services with single sign-on while reducing credential management burdens, and highlights the need for careful protocol design to address security and privacy challenges in federated environments.
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