Win32_Tpm::GetSrkADThumbprint method

Gets the Storage root key thumbprint for a given modulus of the public portion of the TPM Storage Root Key. The thumbprint is used to index the Storage Root Keys on the Active Directory server if the Active Directory backup of TPM owner authorization information is enabled through Group Policy setting.

Note  Beginning with Windows 10, version 1607, the TPM owner authorization is never backed up to Active Directory.
 

This method is only accessible by local administrators.

Syntax


uint32 GetSrkADThumbprint(
  [in]  uint8 SrkPublicKeyModulus,
  [out] uint8 SrkADThumbprint
);

Parameters

SrkPublicKeyModulus [in]

The modulus of the public portion of the TPM Storage Root Key. It can also be obtained using the GetSrkPublicKeyModulus method of the Win32_TPM class.

SrkADThumbprint [out]

Returns a 20-byte array containing the storage root key thumbprint for the given modulus.

Return value

All TPM errors as well as errors specific to TPM Base Services can be returned.

Common return codes are listed below.

Return code/valueDescription
S_OK
0 (0x0)

The method was successful.

 

Remarks

Managed Object Format (MOF) files contain the definitions for Windows Management Instrumentation (WMI) classes. MOF files are not installed as part of the Windows SDK. They are installed on the server when you add the associated role by using the Server Manager. For more information about MOF files, see Managed Object Format (MOF).

Requirements

Minimum supported client

Windows 8 [desktop apps only]

Minimum supported server

Windows Server 2012 [desktop apps only]

Namespace

\\.\root\CIMV2\Security\MicrosoftTpm

MOF

Win32_tpm.mof

DLL

Win32_tpm.dll

See also

Win32_Tpm

 

 

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