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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 con-
       taining 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 Spec-
       ification version 1.1 Golden

SEE ALSO
       Tspi_TPM_PcrExtend(3).

TSS 1.1				  2004-05-25		   Tspi_TPM_PcrRead(3)

NAME | SYNOPSIS | DESCRIPTION | PARAMETERS | RETURN CODES | CONFORMING TO | SEE ALSO

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