USF

KEY MANAGEMENT FUNCTION

To specify the type of key management function and the status of a corresponding key or certificate.

KEY MANAGEMENT FUNCTION QUALIFIER

Specification of the type of key management function.

LIST PARAMETER

Identification of a parameter for a list request or delivery

List parameter qualifier

Specification of the type of list parameter.

0558

List parameter

Specification of the list requested or delivered.

SECURITY STATUS, CODED

Identification of the security element (key or certificate, for instance) status.

0572

CERTIFICATE SEQUENCE NUMBER

Specification of a certificate's position within a certification path.

Notes:
1. Allows certification paths to be ordered by specifying the ordinal number of the certificate within a certification path.

FILTER FUNCTION, CODED

Identification of the filtering function used to reversibly map any bit pattern on to a restricted character set.