// d3d10umddi.h

typedef struct D3DWDDM2_0DDI_KEY_EXCHANGE_HW_PROTECTION_INPUT_DATA {
  UINT PrivateDataSize;
  UINT HWProtectionDataSize;
  BYTE pbInput[4];
} D3DWDDM2_0DDI_KEY_EXCHANGE_HW_PROTECTION_INPUT_DATA;
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Windows Driver Kit DDI reference (ns-d3d10umddi-d3dwddm2_0ddi_key_exchange_hw_protection_input_data)

D3DWDDM2_0DDI_KEY_EXCHANGE_HW_PROTECTION_INPUT_DATA structure

Description

D3DWDDM2_0DDI_KEY_EXCHANGE_HW_PROTECTION_INPUT_DATA is used with D3DWDDM2_0DDI_KEY_EXCHANGE_HW_PROTECTION_DATA in the implementation of Digital Rights Management (DRM).

Members

`PrivateDataSize`

Contains the size of the private data reserved for IHV usage. This size is determined from the pPrivateInputSize member returned by GetCryptoSessionPrivateDataSize.

`HWProtectionDataSize`

Contains the size of the DRM command data.

`pbInput`

If PrivateDataSize is greater than 0, pbInput[0] – pbInput[PrivateDataSize - 1] is reserved for IHV use.

pbInput[PrivateDataSize] – pbInput[HWProtectionDataSize + PrivateDataSize - 1] contains the input data for the DRM command. The format and size of the DRM command is defined by the DRM specification.

D3DWDDM2_0DDI_KEY_EXCHANGE_HW_PROTECTION_INPUT_DATA - NtDoc