Tspi_TPM_OwnerGetSRKPubKey

Section: C Library Functions (3)
Updated: 2007-07-19
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TCG Software Stack Developer's Reference

NAME

Tspi_TPM_OwnerGetSRKPubKey - get public key of the SRK

SYNOPSIS


#include <tss/tspi.h>

TSS_RESULT Tspi_TPM_OwnerGetSRKPubKey(TSS_HTPM hTPM,
                                      UINT32*  pulPubKeyLength,
                                      BYTE**   prgbPubKey);

DESCRIPTION

Tspi_TPM_OwnerGetSRKPubKey returns the public key of the key object using owner authorization. This can only be used on 1.2 TPMs, and only to return the public key of the SRK.

PARAMETERS

hTPM

The hTPM parameter is used to specify the handle of the TPM object.

pulPubKeyLength

The pulPubKeyLength parameter is the length (in bytes) of the prgbPubKey parameter.

prgbPubKey

The prgbPubKey parameter is the pointer to the memory block containing the public key blob retrieved for the key object referenced by hKey.

RETURN CODES

Tspi_TPM_OwnerGetSRKPubKey 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_BAD_PARAMETER: One or more parameters is bad.
TSS_E_INTERNAL_ERROR: An internal SW error has been detected.
TSS_E_TPM_UNSUPPORTED: The TPM is not version 1.2 or later - (Note: still unimplemented)

CONFORMING TO

Tspi_TPM_OwnerGetSRKPubKey conforms to the Trusted Computing Group Software Specification version 1.2