Как шифровать файлы при помощи windows NTFS API |
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Code: |
{ This tip works with Windows 2000 (NTFS 5) and later
These 2 functions are defined in windows.pas, but they're defined wrong. In this case our own definition. }
function EncryptFile(lpFilename: PChar): BOOL; stdcall; external advapi32 name 'EncryptFileA';
function DecryptFile(lpFilename: PChar; dwReserved: DWORD): BOOL; stdcall; external advapi32 name 'DecryptFileA';
{....}
procedure TForm1.Button1Click(Sender: TObject); begin if not EncryptFile('c:\temp') then ShowMessage('Cannot encrypt directory.'); end;
procedure TForm1.Button2Click(Sender: TObject); begin if not DecryptFile('c:\temp', 0) then ShowMessage('Cannot decrypt directory.'); end; |
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