SYSTEM_ENTROPY_TIMING_INFORMATION

The SYSTEM_ENTROPY_TIMING_INFORMATION structure is expected as input to ZwSetSystemInformation or NtSetSystemInformation when given the information class SystemEntropyInterruptTimingInformation (0x83).

Documentation Status

The SYSTEM_ENTROPY_TIMING_INFORMATION structure is not documented.

Layout

The SYSTEM_ENTROPY_TIMING_INFORMATION is 0x0C or 0x18 bytes in 32-bit and 64-bit Windows, respectively.

KENTROPY_TIMING_ROUTINE EntropyRoutine;

KENTROPY_INITIALIZATION_ROUTINE InitializationRoutine;

PVOID InitializationContext;

Two of the types in the preceding are function pointers:

typedef VOID (*KENTROPY_TIMING_ROUTINE) (PVOID, ULONG);
typedef VOID (*KENTROPY_INITIALIZATION_ROUTINE) (PVOID, ULONG, PVOID);