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CentOS 7.0 - man page for tspi_tpm_pcrread (centos section 3)

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  parame-
       ter.

   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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