4.1 Per-Transaction PIN Entry
NIST PIV and digital identity IR 7863
All changes in this version
All changes in this version
Title
Per-Transaction PIN Entry
Control
Entering the PIN each time is the most direct and strongest mechanism to achieve explicit user action for the PIN ALWAYS access condition of the DSK. This can be achieved by any of the following methods: (1) PIN entry is performed exclusively using an external card reader with key pad, 2 and the card reader itself does not cache the PIN; or (2) PIN entry is performed using the host system, and the operating system, middleware, and all applications are configured so that the PIN is never cached. In combination with the PIV Card’s native controls, both solutions confirm user action for each DSK private key operation simply by enforcing the PIN ALWAYS requirement.