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| Tspi_Data_Unbind(3) | FreeBSD Library Functions Manual | Tspi_Data_Unbind(3) |
TCG Software Stack Developer's Reference
NAME
Tspi_Data_Unbind - Decrypts data that has been bound to a keySYNOPSIS
#include <tss/platform.h>
#include <tss/tcpa_defines.h>
#include <tss/tcpa_typedef.h>
#include <tss/tcpa_struct.h>
#include <tss/tss_typedef.h>
#include <tss/tss_structs.h>
#include <tss/tspi.h>
TSS_RESULT Tspi_Data_Unbind(TSS_HENCDATA hEncData, TSS_HKEY hEncKey,
UINT32* pulUnboundDataLength, BYTE** prgbUnboundData);
DESCRIPTION
Tspi_Data_Unbind decrypts the encrypted data blob exportedfrom the data object used in Tspi_Data_Bind. The encrypted data blob must be imported to the object addressed by Tspi_SetAttribData before calling this method.PARAMETERS
hEncData
The handle of the data object which contains the encrypted data.hEncKey
Handle to the key object addressing the private key which is used to decrypt the data.pulDataLength
Receives the length of the data at the parameter prgbUnboundData.prgbUnboundData
Receives a pointer to a buffer containing the plaintext data.RETURN CODES
Tspi_Data_Unbind returns TSS_SUCCESS on success, otherwise one of the following values is returned:- TSS_E_INVALID_HANDLE
- hEncData or hEncKey is not a valid handle.
- TSS_E_INTERNAL_ERROR
- An internal SW error has been detected.
- TSS_E_BAD_PARAMETER
- One or more parameters is bad.
- TSS_E_INVALID_ENCSCHEME
- Invalid encryption scheme.
- TSS_E_ENC_INVALID_LENGTH
- Invalid length of data to be encypted.
- TSS_E_ENC_NO_DATA
- No data to encrypt.
- TSS_E_ENC_INVALID_TYPE
- Invalid encryption type.
CONFORMING TO
Tspi_Data_Unbind conforms to the Trusted Computing Group Software Specification version 1.1 GoldenSEE ALSO
Tspi_Data_Bind(3), Tspi_Data_Unseal(3), Tspi_Data_Seal(3).| 2004-05-25 | TSS 1.1 |
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