NAME

       Tspi_EncodeDER_TssBlob - generate a DER encoded TSS blob.

SYNOPSIS

       #include <tss/tspi.h>

       TSS_RESULT Tspi_EncodeDER_TssBlob(UINT32 rawBlobSize, BYTE*   rawBlob,
                                         UINT32 blobType,    UINT32* derBlobSize,
                                         BYTE*  derBlob);

DESCRIPTION

       Tspi_EncodeDER_TssBlob   is  used  to  generate  a DER-encoded blob in accordance with the
       ASN.1 data definitions in the  Portable  Data  section  of  the  Trusted  Computing  Group
       Software Stack Specification Version 1.2.

PARAMETERS

   rawBlobSize
       Size of the unwrapped blob.

   rawBlob
       Pointer to the unwrapped blob.

   blobType
       Type of blob being wrapped (refer to the TSS_BLOB_TYPE_* constants).

   derBlobSize
       Pointer  to the size of the derBlob buffer.  On input this parameter contains a pointer to
       the maximum size of the supplied derBlob buffer.  On  output  this  parameter  contains  a
       pointer to the actual size of the DER-encoded 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
       DER-encoded blob without writing to the derBlob buffer.

       Note: If the raw data blob length is less than 2^16 bytes then the DER-encoding may add no
       more than 20 bytes.

   derBlob
       Pointer to a buffer to hold the DER-encoded 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_EncodeDER_TssBlob  conforms  to  the  Trusted  Computing Group Software Specification
       Version 1.2

SEE ALSO

       Tspi_DecodeBER_TssBlob(3).