public static extern int WTHelperCertCheckValidSignature([NativeTypeName("CRYPT_PROVIDER_DATA *")] CRYPT_PROVIDER_DATA *pProvData);
public static extern CRYPT_PROVIDER_PRIVDATA *WTHelperGetProvPrivateDataFromChain([NativeTypeName("CRYPT_PROVIDER_DATA *")] CRYPT_PROVIDER_DATA *pProvData, [NativeTypeName("GUID *")] Guid *pgProviderID);
public static extern HRESULT WTHelperCertCheckValidSignature(CRYPT_PROVIDER_DATA *pProvData);
public static extern CRYPT_PROVIDER_SGNR *WTHelperGetProvSignerFromChain([NativeTypeName("CRYPT_PROVIDER_DATA *")] CRYPT_PROVIDER_DATA *pProvData, [NativeTypeName("DWORD")] uint idxSigner, [NativeTypeName("BOOL")] int fCounterSigner, [NativeTypeName("DWORD")] uint idxCounterSigner);
public static extern CRYPT_PROVIDER_PRIVDATA *WTHelperGetProvPrivateDataFromChain(CRYPT_PROVIDER_DATA *pProvData, Guid *pgProviderID);