Tspi_TPM_OwnerGetSRKPubKey(3) Library Functions Manual Tspi_TPM_OwnerGetSRKPubKey(3)
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
SEE ALSO Tspi_Context_FreeMemory(3), Tspi_Key_GetPubKey(3).
TSS 1.1 2007-07-19 Tspi_TPM_OwnerGetSRKPubKey(3)
Check Out this Related Man Page
Tspi_TPM_ClearOwner(3) Library Functions Manual Tspi_TPM_ClearOwner(3)
TCG Software Stack Developer's Reference
NAME
Tspi_TPM_ClearOwner - clear TPM ownership
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_ClearOwner(TSS_HTPM hTPM, TSS_BOOL fForcedClear);
DESCRIPTION
Tspi_TPM_ClearOwner wipes the TPM of everything but its endorsement key. It will wipe the SRK, so anything locked to the SRK will also dis-
appear when this command is executed. This is the only way to be certain that keys are gone, as it is the only way to guarantee that noth-
ing can keep a copy of the key. You must assert either physical presence or owner authorization in order to use this command.
PARAMETERS
hTPM
The hTPM parameter is used to specify the handle of the TPM object.
fForcedClear
The fForcedClear parameter is used to tell whether this command is being executed with owner authorization or with physical presence. If
FALSE, then TPM owner authorization is used. If TRUE, then physical presence is required to clear the TPM.
RETURN CODES
Tspi_TPM_ClearOwner 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.
CONFORMING TO
Tspi_TPM_ClearOwner conforms to the Trusted Computing Group Software Specification version 1.1 Golden
SEE ALSO Tspi_TPM_TakeOwnership(3)TSS 1.1 2004-05-25 Tspi_TPM_ClearOwner(3)
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