IOCTL_POINT_OF_SERVICE_MSR_UPDATE_KEY - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// pointofservicedriverinterface.h

// CTL_CODE(0x0054, 0x00f, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_POINT_OF_SERVICE_MSR_UPDATE_KEY 0x0054803C
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ni-pointofservicedriverinterface-ioctl_point_of_service_msr_update_key)

IOCTL_POINT_OF_SERVICE_MSR_UPDATE_KEY IOCTL

Description

This I/O control function sets a new encryption key.

Parameters

Major code

Input buffer

Pointer to the input buffer, a MSR_UPDATE_KEY variable.

Input buffer length

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

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.

To get extended error information, call GetLastError

Remarks

View the official Windows Driver Kit DDI reference

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