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WTHelperProvDataFromStateData function

[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.

Syntax


CRYPT_PROVIDER_DATA* WINAPI WTHelperProvDataFromStateData(
  _In_  HANDLE hStateData
);

Parameters

hStateData [in]

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.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Wintrust.h

Library

Wintrust.lib

DLL

Wintrust.dll

See also

WTHelperGetProvSignerFromChain

 

 

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