Tspi_DecodeBER_TssBTCG(Software Stack Developer's RefTspi_DecodeBER_TssBlob(3)NAMETspi_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);
DESCRIPTIONTspi_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 TOTspi_DecodeBER_TssBlob conforms to the Trusted Computing Group Software
Specification Version 1.2
SEE ALSOTspi_DecodeBER_TssBlob(3).
TSS 1.2 2007-06-12 Tspi_DecodeBER_TssBlob(3)