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3.17 RP Processing of Holder-of-Key Assertions and Bound Authenticators

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

Title changed

Before · SP 800-63C

After · SP 800-63C-4

RP Processing of Holder-of-Key Assertions and Bound Authenticators

Control changed

Before · SP 800-63C

After · SP 800-63C-4

When the RP receives an assertion that is associated with a bound authenticator, the subscriber proves possession of the bound authenticator directly to the RP. The primary authentication at the IdP and the federated authentication at the RP are processed separately. While the subscriber could use the same authenticator during the primary authentication at the IdP as the bound authenticator at the RP, there is no assumption that these will be the same.

The following requirements apply to all assertions that are associated with a bound authenticator:

1. The subscriber SHALL prove possession of the bound authenticator to the RP in addition to presenting the assertion itself.