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| Tspi_Hash_GetHashValue(3) | FreeBSD Library Functions Manual | Tspi_Hash_GetHashValue(3) |
TCG Software Stack Developer's Reference
NAME
Tspi_Hash_GetHashValue - get the current 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_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 GoldenSEE ALSO
Tspi_Hash_UpdateHashValue(3), Tspi_Hash_Sign(3), Tspi_Hash_VerifySignature(3), Tspi_Hash_SetHashValue(3).| 2004-05-25 | TSS 1.1 |
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