NAME

       Tspi_Hash_GetHashValue - get the current hash value of a hash object

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_Hash_GetHashValue(TSS_HHASH hHash, UINT32* pulHashValueLength, BYTE** prgbHashValue);

DESCRIPTION

       Tspi_Hash_GetHashValue  gets the hash value of a hash object. Tspi_Context_FreeMemory must
       be used to clean up after this function, as memory  is  allocated  for  the  prgbHashValue
       data.

PARAMETERS

   hHash
       The handle to the hash object instance whose hash value should be signed.

   pulHashValueLength
       Receives the length of the hash value data returned at the parameter prgbHashValue.

   prgbHashValue
       Receives a pointer to the hash value data.

RETURN CODES

       Tspi_Hash_GetHashValue  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_HASH_INVALID_LENGTH
              Hash length is inconsistent with hash algorithm.

       TSS_E_HASH_NO_DATA
              Hash object has no internal hash value.

CONFORMING TO

       Tspi_Hash_GetHashValue conforms to the  Trusted  Computing  Group  Software  Specification
       version 1.1 Golden

SEE ALSO

       Tspi_Hash_UpdateHash(3),          Tspi_Hash_Sign(3),         Tspi_Hash_VerifySignature(3),
       Tspi_Hash_SetHashValue(3).