CryptUnregisterDefaultOIDFunction function (wincrypt.h)
The CryptUnregisterDefaultOIDFunction removes the registration of a DLL containing the default function to be called for the specified encoding type and function name.
Syntax
BOOL CryptUnregisterDefaultOIDFunction(
[in] DWORD dwEncodingType,
[in] LPCSTR pszFuncName,
[in] LPCWSTR pwszDll
);
Parameters
[in] dwEncodingType
Specifies the encoding type to be matched. Currently, only X509_ASN_ENCODING and PKCS_7_ASN_ENCODING are being used; however, additional encoding types may be added in the future. To match both current encoding types, use:
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING.
[in] pszFuncName
Name of the function being unregistered.
[in] pwszDll
Name of the DLL where the function is located.
Return value
If the function succeeds, the return value is nonzero (TRUE).
If the function fails, the return value is zero (FALSE).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | wincrypt.h |
| Library | Crypt32.lib |
| DLL | Crypt32.dll |