CWA 16374-6:2011

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