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Tspi_Data_Bind(3)					     Tspi_Data_Bind(3)

		   TCG Software Stack Developer's Reference

NAME
       Tspi_Data_Bind - Encrypts a data blob

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_Bind(TSS_HENCDATA hEncData,	    TSS_HKEY hEncKey,
				 UINT32	      ulDataLength, BYTE*    rgbDataToBind);

DESCRIPTION
       Tspi_Data_Bind  encrypts a data blob in a manner that is decryptable by
       Tspi_Data_Unbind. The data blob is encrypted using a public key	opera‐
       tion with the key addressed by the given encryption key object. To bind
       data that is larger than the RSA public key modulus is the responsibil‐
       ity of the caller to perform the blocking and subsequent combination of
       data. The bound data blob is stored in the  data	 object	 addressed  by
       hEncData and can be exported from the object by Tspi_GetAttribData. The
       caller of this function should perform validations that the public  key
       presented to it is from a valid TPM.

PARAMETERS
   hEncData
       The handle of the data object which contains the encrypted data on suc‐
       cessful completion of the command.

   hEncKey
       Handle to the key object addressing the public key which is used to en‐
       crypt the data.

   ulDataLength
       Indicates  the  length of the data provided at the parameter rgbDataTo‐
       Bind.

   rgbDataToBind
       A pointer to the data to be encrypted.

RETURN CODES
       Tspi_Data_Bind returns TSS_SUCCESS on success,  otherwise  one  of  the
       following values is returned:

       TSS_E_INVALID_HANDLE
	      hHash 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_Bind  conforms to the Trusted Computing Group Software Speci‐
       fication version 1.1 Golden

SEE ALSO
       Tspi_Data_Unbind(3), Tspi_Data_Unseal(3), Tspi_Data_Seal(3).

TSS 1.1				  2004-05-25		     Tspi_Data_Bind(3)

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