Access to data objects stored on a credential such as a badge, smart card, etc. is typically limited to user authorization through the use of a user-entered PIN or other mechanism. This disclosure describes techniques to enable a credential reader to authenticate itself to a credential and access protected objects on the credential without user interaction and without the use of any global credential. The techniques define a simplified public-key infrastructure (PKI) hierarchy appropriate for typical credentials, which are usually low-powered, passive, and offline.
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Mercer, David; Paik, Steve; and Hewit, Ross, "Mechanism to Authenticate a Reader to a Credential", Technical Disclosure Commons, (August 30, 2021)