Pascal (Lazarus/Delphi)

Create CAdES (p7m) Signature using ARSS (Aruba Remote Signing Service)

See more Signing in the Cloud Examples

Demonstrates creating a CAdES (p7m) signature using the Aruba Remote Signing Service. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Cert,
  Chilkat.JsonObject,
  Chilkat.Crypt2;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  cert: TCert;
  jsonArss: TJsonObject;
  crypt: TCrypt2;
  signedAttrs: TJsonObject;
  inputXmlPath: string;
  outputP7mPath: string;

begin
  success := False;

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

  //  Load the certificate used for signing.  The certificate's private key is stored on 
  //  the Aruba.it server and the signing will happen remotely using the
  //  ARSS (Aruba Remote Signing Service).
  //  However, we still need the certificate locally (without private key).
  cert := TCert.Create;
  success := cert.LoadFromFile('qa_data/certs/myCert.cer');
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  //  To sign using the Aruba Remote Signing Service, 
  //  add the following lines of code to specify your authentication credentials,
  //  and the ID of the certificate w/ private key on the server to be used.
  jsonArss := TJsonObject.Create;

  //  Set the "service" equal to "ARSS" to tell Chilkat to use ARSS for signing.
  jsonArss.UpdateString('service','ARSS');
  //  Specify the certificate ID, such as "AS0"
  //  This certificate should match the certificate loaded in the above code.
  jsonArss.UpdateString('certID','YOUR_ARSS_CERT_ID');
  jsonArss.UpdateString('otpPwd','YOUR_OTP_PWD');

  //  Specifies the OTP authentication environment.
  //  
  //  Common values are:
  //    "demoprod" - Demo/Test environment
  //    "prod"     - Production environment
  //  
  //  This value is sent to the ARSS service and determines how the OTP
  //  authentication is validated.  The correct value depends on the type
  //  of Aruba account and environment that has been provisioned.
  //  
  //  If signing fails with an authentication-related error, verify that
  //  the typeOtpAuth value matches the environment associated with the
  //  ARSS account credentials being used.
  jsonArss.UpdateString('typeOtpAuth','demoprod');

  jsonArss.UpdateString('user','YOUR_ARSS_USERNAME');
  jsonArss.UpdateString('userPWD','YOUR_ARSS_PASSWORD');

  //  The "endpoint" can be specified starting in Chilkat v11.5.0
  jsonArss.UpdateString('endpoint','https://app1.firma-remota.it/ArubaSignerService/webresources/signerservice');

  success := cert.SetCloudSigner(jsonArss);

  crypt := TCrypt2.Create;

  success := crypt.SetSigningCert(cert);
  if (success = False) then
    begin
      WriteLn(crypt.LastErrorText);
      Exit;
    end;

  //  The CadesEnabled property applies to all methods that create PKCS7 signatures. 
  //  To create a CAdES-BES signature, set this property equal to true.
  crypt.CadesEnabled := True;

  crypt.HashAlgorithm := 'sha256';

  signedAttrs := TJsonObject.Create;
  signedAttrs.UpdateInt('contentType',1);
  signedAttrs.UpdateInt('signingTime',1);
  signedAttrs.UpdateInt('messageDigest',1);
  signedAttrs.UpdateInt('signingCertificateV2',1);
  crypt.SigningAttributes := signedAttrs.Emit();

  //  You can sign any type of file..
  inputXmlPath := 'qa_data/e-Invoice.xml';
  outputP7mPath := 'qa_output/signed.p7m';

  //  Create the CAdES-BES attached signature, which contains the original data.
  //  Chilkat will build the .p7m locally, but will (internally) use ARSS
  //  to do the RSA signing remotely.
  success := crypt.CreateP7M(inputXmlPath,outputP7mPath);
  if (success = False) then
    begin
      WriteLn(crypt.LastErrorText);
      Exit;
    end;

  WriteLn('Success.');


  cert.Free;
  jsonArss.Free;
  crypt.Free;
  signedAttrs.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.