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| Tspi_Hash_UpdateHashValue(3) | FreeBSD Library Functions Manual | Tspi_Hash_UpdateHashValue(3) |
TCG Software Stack Developer's Reference
NAME
Tspi_Hash_UpdateHashValue - update the hash value of a hash objectSYNOPSIS
#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 GoldenSEE ALSO
Tspi_Hash_GetHashValue(3), Tspi_Hash_Sign(3), Tspi_Hash_SetHashValue(3), Tspi_Hash_VerifySignature(3).| 2004-05-25 | TSS 1.1 |
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