CWA 16926-65:2020

Extensions for Financial Services (XFS) interface specification - Release 3.40 - Part 65: PIN Device Class Interface - Migration from version 3.30 (CWA 16926) to Version 3.40 (this CWA) - Programmer's Reference

Publication date:   Jun 16, 2020

Scope

This section describes the application program interface for personal identification number keypads (PIN pads) and other encryption/decryption devices. This description includes definitions of the service-specific commands that can be issued, using the WFSAsyncExecute, WFSExecute, WFSGetInfo and WFSAsyncGetInfo functions.
This section describes the general interface for the following functions:
• Administration of encryption devices
• Loading of encryption keys
• Encryption / decryption
• Entering Personal Identification Numbers (PINs)
• PIN verification
• PIN block generation (encrypted PIN)
• Clear text data handling
• Function key handling
• PIN presentation to chipcard
• Read and write safety critical Terminal Data from/to HSM
• HSM and Chipcard Authentication
• EMV 4.0 PIN blocks, EMV 4.0 public key loading, static and dynamic data verification