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Tspi_TPM_StirRandom - add entropy to the TPM random number generator

Conforming To

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

Description

Tspi_TPM_StirRandom  adds entropy to the TPM random number generator for the purpose of generating better
       random numbers. The entropy variable should assigned an appropriately seeded random  number  before  this
       function is called.

Name

       Tspi_TPM_StirRandom - add entropy to the TPM random number generator

Parameters

hTPM
       The  hTPM  parameter  is used to specify the handle of the TPM object. The command to get the TPM to test
       itself will be sent here.

   ulEntropyDataLength
       The ulEntropyDataLength parameter is the length in bytes of the rgbEntropyData parameter.

   rgbEntropyData
       The rgbEntropyData parameter is a pointer to the entropy data.

Return Codes

Tspi_TPM_StirRandom returns TSS_SUCCESS on success, otherwise one of the following values is returned:

       TSS_E_INVALID_HANDLE
              hTPM 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.

See Also

Tspi_TPM_GetRandom(3).

TSS 1.1                                            2004-05-25                             Tspi_TPM_StirRandom(3)

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_RESULTTspi_TPM_StirRandom(TSS_HTPMhTPM,UINT32ulEntropyDataLength,BYTE*rgbEntropyData);

See Also