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Tspi_Data_Seal(3)	     TCG Software Stack Developer's Reference		Tspi_Data_Seal(3)

NAME
       Tspi_Data_Seal	-  encrypt  a  data  blob  in  a  mannar  that	is  only  decryptable  by
       Tspi_Data_Unseal on the same system.

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_Seal(TSS_HENCDATA hEncData,     TSS_HKEY hEncKey,
				 UINT32       ulDataLength, BYTE*    rgbDataToSeal,
				 TSS_HPCRS    hPcrComposite);

DESCRIPTION
       Tspi_Data_Seal encrypts a data blob in a mannar that is only decryptable by  Tspi_Data_Un-
       seal  on the same system. The data blob is encrypted using a public key operation with the
       nonmigratable key addressed by the given encryption key object.

PARAMETERS
   hEncData
       Handle of the data object which contains the sealed data on successful completion  of  the
       command.

   hEncKey
       Handle to the key object addressing the nonmigratable key which is used to encrypt the da-
       ta.

   ulDataLength
       The Length (in bytes) of the rgbDataToSeal parameter.

   rgbDataToSeal
       Pointer to memory containing the data to be encrypted.

   hPcrComposite
       Handle of the PCR Composite object specifying the PCRs which are part of the  sealed  data
       blob.  Set  to NULL, if the encrypted data should only be bound to the system and PCRs are
       not of interest.

RETURN CODES
       Tspi_Data_Seal returns TSS_SUCCESS on success, otherwise one of the following  values  are
       returned:

       TSS_E_INVALID_HANDLE - One of the following parameters hEncData, hEncKey, rgbDataToSeal is
       invalid.

       TSS_E_INTERNAL_ERROR - An error occurred internal to the TSS.

CONFORMING TO
       Tspi_Data_Seal conforms to the Trusted Computing Group Software Specification version  1.1
       Golden

SEE ALSO
       Tspi_Data_Unseal(3).

TSS 1.1 				    2004-05-26				Tspi_Data_Seal(3)
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