Tspi_Hash_UpdateHashValue(3)
NAME
Tspi_Hash_UpdateHashValue - update the 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_UpdateHashValue(TSS_HHASH hHash, UINT32 ulDataLength, BYTE* rgbData);
DESCRIPTION
Tspi_Hash_UpdateHashValue updates the hash value of a hash object with new information. If the object was created with the flag TSS_HASH_OTHER, then this method will return an error. The object can't be modified after Tspi_Hash_SetHashValue, Tspi_Hash_GetHashValue, Tspi_Hash_Sign, or Tspi_Hash_VerifySignature have been called on it.
PARAMETERS
- hHash
- The handle to the hash object instance whose hash value should be signed.
- ulDataLength
- Indicates the length of the data provided at the parameter rgbData.
- rgbData
- A pointer to the data.
RETURN CODES
Tspi_Hash_UpdateHashValue 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_UpdateHashValue conforms to the Trusted Computing Group Software Specification version 1.1 Golden