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PvkFreeCryptProv function

The PvkFreeCryptProv function releases the handle to a cryptographic service provider (CSP) and optionally deletes the temporary container created by the PvkGetCryptProv function.

Note  This function has no associated header file or import library. To call this function, you must create a user-defined header file and use the LoadLibrary and GetProcAddress functions to dynamically link to Mssign32.dll.


void WINAPI PvkFreeCryptProv(
  _In_      HCRYPTPROV hProv,
  _In_      LPCWSTR pwszCapiProvider,
  _In_      DWORD dwProviderType,
  _In_opt_  LPWSTR pwszTmpContainer


hProv [in]

A handle to the CSP.

pwszCapiProvider [in]

A pointer to a null-terminated string for the CSP name.

dwProviderType [in]

A DWORD value that represents the cryptographic provider type. For more information, see Cryptographic Provider Types.

pwszTmpContainer [in, optional]

A pointer to a null-terminated string for the temporary key container name.

Return value

This function does not return a value.


Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]





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