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4.2 Explicit User Action with PIN Caching

NIST PIV and digital identity IR 7863
All changes in this version
first version loaded 4 Minimum Security Objectives & Controls part of 4

Title

Explicit User Action with PIN Caching

Control

If the PIN is cached by any component of the system, it is the system’s responsibility to ensure an explicit user action occurs before the PIN is presented to the PIV Card. Examples of affirmative action could include clicking “OK” in a pop-up box or by user selection of an appropriate menu option or commit button within the application. PIN caching implementations for the DSK should ensure that the following are satisfied:

2 Note that the card reader needs to intercept and discard any Application Protocol Data Units (APDUs) that contain the PIN originating from the host system.