Tspi_Data_Unbind(3) 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 key SYNOPSIS #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 ob- ject 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 de- crypt 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 fol- lowing 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 Specifi- cation version 1.1 Golden SEE ALSO Tspi_Data_Bind(3), Tspi_Data_Unseal(3), Tspi_Data_Seal(3). TSS 1.1 2004-05-25 Tspi_Data_Unbind(3)
NAME | SYNOPSIS | DESCRIPTION | PARAMETERS | RETURN CODES | CONFORMING TO | SEE ALSO
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