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Man Pages


Manual Reference Pages  -  TSPI_CONTEXT_GETTPMOBJECT (3)

TCG Software Stack Developers Reference

NAME

Context_GetTpmObject - get the handle of the TPM object associated with a context.

CONTENTS

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_Context_GetTpmObject(TSS_HCONTEXT hContext, TSS_HTPM* phTPM);

DESCRIPTION

Tspi_Context_GetTpmObject retrieves the TPM object of a context. Only one instance of this object exists for a given context and implicitly represents a TPM owner. This function is normally called at the beginning of a program, right after the context is established. You must have a context established prior to calling this function.

PARAMETERS

    hContext

The hContext parameter is the handle of the context object (already existing).

    phTPM

The phTPM parameter is a pointer to where the handle of the TPM will be placed.

RETURN CODES

Tspi_Context_GetTpmObject returns TSS_SUCCESS on success, otherwise one of the following values is returned:
TSS_E_INVALID_HANDLE
  hContext is not a valid handle.

TSS_E_INTERNAL_ERROR
  An internal SW error has been detected.

TSS_E_BAD_PARAMETER
  One or more of the parameters is incorrect.

CONFORMING TO

Tspi_Context_GetTpmObject conforms to the Trusted Computing Group Software Specification version 1.1 Golden

SEE ALSO

Tspi_Context_Create(3), Tspi_Context_Connect(3), Tspi_Context_FreeMemory(3), Tspi_Context_Close(3).

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TSS 1.1 TSPI_CONTEXT_GETTPMOBJECT (3) 2004-05-25

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