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Tspi_DecodeBER_TssBTCG(Software Stack Developer's RefTspi_DecodeBER_TssBlob(3)

NAME
       Tspi_DecodeBER_TssBlob - unwraps a BER-encoded TSS blob.

SYNOPSIS
       #include <tss/tspi.h>

       TSS_RESULT Tspi_DecodeBER_TssBlob(UINT32	 berBlobSize, BYTE*   berBlob,
					 UINT32* blobType,    UINT32* rawBlobSize,
					 BYTE*	 rawBlob);

DESCRIPTION
       Tspi_DecodeBER_TssBlob	is used to unwrap a BER-encoded blob in accor‐
       dance with the ASN.1 data definitions in the Portable Data  section  of
       the Trusted Computing Group Software Stack Specification Version 1.2.

PARAMETERS
   berBlobSize
       Size of the BER-encoded blob.

   berBlob
       Pointer to the BER-encoded blob.

   blobType
       Pointer	 to   the   type   of  blob  being  unwrapped  (refer  to  the
       TSS_BLOB_TYPE_* constants).

   rawBlobSize
       Pointer to the size of the rawBlob buffer.   On	input  this  parameter
       contains	 a pointer to the maximum size of the supplied rawBlob buffer.
       On output this parameter contains a pointer to the actual size  of  the
       unwrapped  blob.	  On  input, if this parameter points to a value of 0,
       then this function will return the size of the buffer required to  hold
       the unwrapped blob without writing to the rawBlob buffer.

       Note:  The  output  data	 must  be  shorter  than  the BER-encoding, so
       berBlobSize is a useful upper limit on rawBlob buffer size.

   rawBlob
       Pointer to a buffer to hold the unwrapped blob.

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

       TSS_E_BAD_PARAMETER

       TSS_E_INTERNAL_ERROR - An error occurred internal to the TSS.

CONFORMING TO
       Tspi_DecodeBER_TssBlob conforms to the Trusted Computing Group Software
       Specification Version 1.2

SEE ALSO
       Tspi_DecodeBER_TssBlob(3).

TSS 1.2				  2007-06-12	     Tspi_DecodeBER_TssBlob(3)

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