The CryptUnregisterOIDInfo function removes the registration for the specified OID information. Only the pszOID and dwGroupId members are used to identify the OID information to be unregistered.
#include <wincrypt.h>
BOOL WINAPI CryptUnregisterOIDInfo(
PCCRYPT_OID_INFO pInfo // in
);
TRUE if the function succeeded. FALSE if the function failed.
Call GetLastError to see the reason for any failures.
Windows NT: Requires version 4.0 SP3 or later. Available also in IE 3.02 and later.
Windows: Requires Windows 98 (or Windows 95 with IE 3.02 or later).
Windows CE: Unsupported.
Header: Declared in wincrypt.h.
Import Library: Use crypt32.lib.
ALG_ID, CRYPT_ALGORITHM_IDENTIFIER, CRYPT_OID_INFO, CryptFindOIDInfo, CryptRegisterOIDInfo