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3.13.2 Signed Assertion

NIST PIV and digital identity SP 800-63C-4 against SP 800-63C
All changes in this version
added 3 Common Federation Requirements part of 3.13

Title changed

Before · SP 800-63C

After · SP 800-63C-4

Signed Assertion

Control changed

Before · SP 800-63C

After · SP 800-63C-4

Assertions SHALL be cryptographically signed by the issuer (IdP). The RP SHALL validate the digital signature or MAC of each such assertion based on the issuer’s verification key. This signature SHALL cover the entire assertion, including its identifier, issuer, audience, subject, and time validity window.

The assertion signature SHALL either be a digital signature using asymmetric keys or a MAC using a symmetric key that is shared between the RP and issuer with approved cryptography.