// pointofservicedriverinterface.h

// CTL_CODE(0x0054, 0x00d, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_POINT_OF_SERVICE_MSR_AUTHENTICATE_DEVICE 0x00548034
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Windows Driver Kit DDI reference (ni-pointofservicedriverinterface-ioctl_point_of_service_msr_authenticate_device)

IOCTL_POINT_OF_SERVICE_MSR_AUTHENTICATE_DEVICE IOCTL

Description

This IO control function authenticates the magnetic stripe reader (MSR).

Parameters

Major code

Input buffer

Pointer to the input buffer, a MSR_AUTHENTICATE_DEVICE variable.

Input buffer length

Size of the input buffer, in bytes. Set to sizeof(MSR_AUTHENTICATE_DEVICE).

Output buffer

Not used with this operation; set to NULL.

Output buffer length

Not used with this operation; set to 0 (zero).

Input/output buffer

Input/output buffer length

Status block

Returns TRUE if successful; otherwise, returns FALSE.

Remarks

To get extended error information, call GetLastError. The following are common error values:

STATUS_ACCESS_DENIED: The device is currently claimed by another client.
STATUS_NOT_SUPPORTED: The device does not support authentication.

View the official Windows Driver Kit DDI reference

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