WTHelperProvDataFromStateData function (wintrust.h)

[The WTHelperProvDataFromStateData function is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions. For certificate verification, use the CertGetCertificateChain and CertVerifyCertificateChainPolicy functions. For Microsoft Authenticode technology signature verification, use the .NET Framework.]

The WTHelperProvDataFromStateData function retrieves trust provider information from a specified handle. This function has no associated import library. You must use the LoadLibrary and GetProcAddress functions to dynamically link to Wintrust.dll.


CRYPT_PROVIDER_DATA * WTHelperProvDataFromStateData(
  [in] HANDLE hStateData


[in] hStateData

A handle previously set by the WinVerifyTrustEx function as the hWVTStateData member of the WINTRUST_DATA structure.

Return value

If the function succeeds, the function returns a pointer to a CRYPT_PROVIDER_DATA structure. The returned pointer can be used by the WTHelperGetProvSignerFromChain function.

If the function fails, it returns NULL.


Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header wintrust.h
Library Wintrust.lib
DLL Wintrust.dll

See also