Delphi DLL

Authenticode Sign using Smartcard or USB Token

See more Code Signing Examples

Demonstrates how to Authenticode sign an EXE or DLL using a smartcard or USB token, such as a Yubikey.

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

Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
json: HCkJsonObject;
cert: HCkCert;
exePath: PWideChar;
signer: HCkCodeSign;

begin
success := False;

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

// First create the following JSON to specify that SHA256 is to be used,
// and provide timestamp server information.

// {
//   "hashAlg": "sha256",
//   "timestampToken": {
//     "enabled": true,
//     "tsaUrl": "http://timestamp.digicert.com",
//     "requestTsaCert": true,
//     "hashAlg": "sha256"
//   }
// }

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'hashAlg','sha256');
CkJsonObject_UpdateBool(json,'timestampToken.enabled',True);
CkJsonObject_UpdateString(json,'timestampToken.tsaUrl','http://timestamp.digicert.com');
CkJsonObject_UpdateBool(json,'timestampToken.requestTsaCert',True);
CkJsonObject_UpdateString(json,'timestampToken.hashAlg','sha256');

// The only difference in signing with a smartcard or USB token
// is that the cert is loaded from a smartcard or USB token, instead of a PFX or from elsewhere
// such as from the Windows certificate store.
cert := CkCert_Create();

// Yubico YubiKey OTP+FIDO+CCID 0, default PIN = 123456
CkCert_putSmartCardPin(cert,'123456');

// Assuming you have the Yubikey inserted into the USB on the computer...
// and there is only 1 signing certificate on the Yubikey, then just load from
// the "smartcard".  (assuming you don't have additional smartcards or USB tokens plugged in)
success := CkCert_LoadFromSmartcard(cert,'');
if (success = False) then
  begin
    Memo1.Lines.Add(CkCert__lastErrorText(cert));
    Exit;
  end;

// If the smartcard/token has several possible certificates that can be used for signing,
// then see the online documentation for the LoadFromSmartcard method,
// and also see the online documentation and examples for Chilkat Pkcs11 and ScMinidriver.
// There are many possible ways to load a Chilkat certificate object with a cert (and associated private key)
// from a variety of sources.  The only coding difference for any signing function in Chilkat,
// whether it be a PDF, XmlDSig, CMS, etc. is in how the cert is loaded.

// You can sign .exe or .dll files.
exePath := 'C:/someOtherDir/HelloWorld.exe';

signer := CkCodeSign_Create();

// If successful, the following call will apply the signature to the EXE (or DLL).
success := CkCodeSign_AddSignature(signer,exePath,cert,json);
if (success = False) then
  begin
    Memo1.Lines.Add(CkCodeSign__lastErrorText(signer));
    Exit;
  end;

Memo1.Lines.Add('Successfully applied the Authenticode signature.');

CkJsonObject_Dispose(json);
CkCert_Dispose(cert);
CkCodeSign_Dispose(signer);

end;