(Delphi ActiveX) Remove the Authenticode Signature from an EXE or DLL

See more Code Signing Examples

Demonstrates how to remove the Authenticode signature from an EXE or DLL.

Note: Chilkat's code signing class was added in v9.5.0.97

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
path: WideString;
codeSign: TChilkatCodeSign;
success: Integer;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// You can verify a signed DLL or EXE.
path := 'c:/someDir/something.dll';

codeSign := TChilkatCodeSign.Create(Self);

// If successful, the signature is removed from the EXE or DLL file.
success := codeSign.RemoveSignature(path);
if (success = 0) then
  begin
    Memo1.Lines.Add(codeSign.LastErrorText);
  end;
Memo1.Lines.Add('success: ' + IntToStr(Ord(success)));
end;