Tspi_TPM_DirWrite(3) Library Functions Manual Tspi_TPM_DirWrite(3)
TCG Software Stack Developer's Reference
NAME
Tspi_TPM_DirWrite - write to a Data Integrity Register
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_TPM_DirWrite(TSS_HTPM hTPM, UINT32 ulDirIndex,
UINT32 ulDirDataLength, BYTE* rgbDirData);
DESCRIPTION
Tspi_TPM_DirWrite writes a data integrity register. You need to know the DIR index and data you wish to write to the DIR prior to using
this command.
PARAMETERS
hTPM
The hTPM parameter is used to specify the handle of the TPM object.
ulDirIndex
The ulDirIndex parameter is the index of the DIR to write. To query the TPM for the number of DIR registers it supports, use Tspi_TPM_Get-
Capability(3).
ulDirDataLength
The ulDirDataLength parameter is the length in bytes of the rgbDirData parameter.
rgbDirData
The rgbDirData parameter is a pointer to memory containing the data to be written to the DIR.
RETURN CODES
Tspi_TPM_DirWrite 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.
CONFORMING TO
Tspi_TPM_DirWrite conforms to the Trusted Computing Group Software Specification version 1.1 Golden
SEE ALSO Tspi_TPM_GetCapability(3), Tspi_TPM_DirRead(3).
TSS 1.1 2004-05-25 Tspi_TPM_DirWrite(3)
Check Out this Related Man Page
Tspi_TPM_PcrRead(3) Library Functions Manual Tspi_TPM_PcrRead(3)
TCG Software Stack Developer's Reference
NAME
Tspi_TPM_PcrRead - read the value in a PCR register
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_TPM_PcrRead(TSS_HTPM hTPM, UINT32 ulPcrIndex,
UINT32* pulPcrValueLength, BYTE** prgbPcrValue);
DESCRIPTION
Tspi_TPM_PcrRead reads a PCR register to find the current values.
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.
ulPcrIndex
The ulPcrIndex parameter is the index of the PCR to read.
pulPcrValueLength
The pulPcrValueLength parameter receives the length in bytes of the prgbPcrValue parameter.
prgbPcrValue
The prgbPcrValue parameter receives a pointer to the memory block containing the PCR data.
RETURN CODES
Tspi_TPM_PcrRead 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.
CONFORMING TO
Tspi_TPM_PcrRead conforms to the Trusted Computing Group Software Specification version 1.1 Golden
SEE ALSO Tspi_TPM_PcrExtend(3).
TSS 1.1 2004-05-25 Tspi_TPM_PcrRead(3)
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