Java

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. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean 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).
    CkCert cert = new CkCert();
    success = cert.LoadFromFile("qa_data/certs/myCert.cer");
    if (success == false) {
        System.out.println(cert.lastErrorText());
        return;
        }

    //  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.
    CkJsonObject jsonArss = new CkJsonObject();

    //  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);

    CkCrypt2 crypt = new CkCrypt2();

    success = crypt.SetSigningCert(cert);
    if (success == false) {
        System.out.println(crypt.lastErrorText());
        return;
        }

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

    crypt.put_HashAlgorithm("sha256");

    CkJsonObject signedAttrs = new CkJsonObject();
    signedAttrs.UpdateInt("contentType",1);
    signedAttrs.UpdateInt("signingTime",1);
    signedAttrs.UpdateInt("messageDigest",1);
    signedAttrs.UpdateInt("signingCertificateV2",1);
    crypt.put_SigningAttributes(signedAttrs.emit());

    //  You can sign any type of file..
    String inputXmlPath = "qa_data/e-Invoice.xml";
    String 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) {
        System.out.println(crypt.lastErrorText());
        return;
        }

    System.out.println("Success.");
  }
}