D3DDDIARG_GETENCRYPTIONBLTKEY structure (d3dumddi.h)
The _GETENCRYPTIONBLTKEY structure describes an encrypted bit-block transfer (bitblt) session for which the GetEncryptionBltKey function retrieves the encryption key.
Syntax
typedef struct _GETENCRYPTIONBLTKEY {
[in] HANDLE hCryptoSession;
[in] VOID *pReadBackKey;
[in] UINT KeySize;
} D3DDDIARG_GETENCRYPTIONBLTKEY;
Members
[in] hCryptoSession
A handle to the encryption session that is created in a call to the driver's CreateCryptoSession function.
[in] pReadBackKey
A pointer to a buffer that contains the encryption key.
[in] KeySize
The size, in bytes, of the encryption key that the pReadBackKey member points to.
Requirements
Requirement | Value |
---|---|
Minimum supported client | D3DDDIARG_GETENCRYPTIONBLTKEY is supported beginning with the Windows 7 operating system. |
Header | d3dumddi.h (include D3dumddi.h) |