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

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Demonstrates creating a CAdES (p7m) signature using the Aruba Remote Signing Service.

Note: This example requires Chilkat v9.5.0.96 or later.

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
cert: TChilkatCert;
success: Integer;
jsonArss: TChilkatJsonObject;
crypt: TChilkatCrypt2;
signedAttrs: TChilkatJsonObject;
inputXmlPath: WideString;
outputP7mPath: WideString;

begin
// 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 := TChilkatCert.Create(Self);
success := cert.LoadFromFile('qa_data/certs/myCert.cer');
if (success = 0) then
  begin
    Memo1.Lines.Add(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 := TChilkatJsonObject.Create(Self);

// 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');
jsonArss.UpdateString('typeOtpAuth','demoprod');
jsonArss.UpdateString('user','YOUR_ARSS_USERNAME');
jsonArss.UpdateString('userPWD','YOUR_ARSS_PASSWORD');
success := cert.SetCloudSigner(jsonArss.ControlInterface);

crypt := TChilkatCrypt2.Create(Self);

success := crypt.SetSigningCert(cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(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 := 1;

crypt.HashAlgorithm := 'sha256';

signedAttrs := TChilkatJsonObject.Create(Self);
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 = 0) then
  begin
    Memo1.Lines.Add(crypt.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Success.');
end;