SHA1 hash calculation Post: 302434550

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tspi_hash_sethashvalue

Tspi_Hash_SetHashValue(3)				     Library Functions Manual					 Tspi_Hash_SetHashValue(3)

						     TCG Software Stack Developer's Reference

NAME

       Tspi_Hash_SetHashValue - Sets the hash value of a hash object for non-SHA1 hash objects.

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_SetHashValue(TSS_HHASH hHash, UINT32 ulHashValueLength, BYTE* rgbHashValue);

DESCRIPTION

       Tspi_Hash_SetHashValue  sets the hash value of a hash object. If the object was created with the flag TSS_HASH_OTHER, then the hash identi-
       fier has to be set by calling Tspi_SetAttribData to perform the sign operation.

PARAMETERS

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

   ulHashValueLength
       Indicates the length of the hash value data provided at the parameter rgbHashValue.

   rgbHashValue
       A pointer to the hash value data.

RETURN CODES

       Tspi_Hash_SetHashValue 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_SetHashValue conforms to the Trusted Computing Group Software Specification version 1.1 Golden

SEE ALSO

       Tspi_Hash_UpdateHash(3), Tspi_Hash_Sign(3), Tspi_Hash_GetHashValue(3).

TSS 1.1 							    2004-05-25						 Tspi_Hash_SetHashValue(3)