Standard Name
NIST SP 800-73-4, Interfaces for Personal Identity Verification
Industry Standard
Publication Number
SP 800-73-4
Standard Date
Standard Link
Securezoo Overview
The National Institute of Standards and Technology (NIST) announces the final release of Special Publication (SP) 800-73-4, Interfaces for Personal Identity Verification.

An excerpt of the changes from SP 800-73-3 to new version SP 800-73-4: 
  • Removal of Part 4, The PIV Transitional Data Model and Interfaces;
  • The addition of specifications for secure messaging and the virtual contact interface, both of which are optional to implement;
  • Inclusion of clarifying information about the virtual contact interface and the use of the pairing code;
  • The specification of an optional Cardholder Universally Unique Identifier (UUID) as a unique identifier for a cardholder;
  • The specification of an optional on-card biometric comparison mechanism, which may be used as a means of performing card activation and as a PIV authentication mechanism;
  • The addition of a requirement for the PIV Card Application to enforce a minimum PIN length of six digits;
  • In collaboration with the FICAM FIPS 201 Test Program reduced some of the PIV Card options where possible.
Biometric Devices
User ID Management