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

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