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D3DDDIARG_GETENCRYPTIONBLTKEY structure

The D3DDDIARG_GETENCRYPTIONBLTKEY structure describes an encrypted bit-block transfer (bitblt) session for which the GetEncryptionBltKey function retrieves the encryption key.

Syntax


typedef struct _GETENCRYPTIONBLTKEY {
  HANDLE hCryptoSession;
  VOID   *pReadBackKey;
  UINT   KeySize;
} D3DDDIARG_GETENCRYPTIONBLTKEY;

Members

hCryptoSession

[in] A handle to the encryption session that is created in a call to the driver's CreateCryptoSession function.

pReadBackKey

[in] A pointer to a buffer that contains the encryption key.

KeySize

[in] The size, in bytes, of the encryption key that the pReadBackKey member points to.

Requirements

Version

D3DDDIARG_GETENCRYPTIONBLTKEY is supported beginning with the Windows 7 operating system.

Header

D3dumddi.h (include D3dumddi.h)

See also

CreateCryptoSession
GetEncryptionBltKey

 

 

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