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(Android™) Sign PDF for ICP-Brasil

See more PDF Signatures Examples

Sign a PDF to create a signed PDF compliant with the ICP-Brasil Digital Signature Standard Conformity Checker. (Verificador de Conformidade do PadrĂ£o de Assinatura Digital ICP-Brasil)

Note: This example requires Chilkat v9.5.0.92 or greater.

For more information, see https://verificador.iti.gov.br/verifier-2.6.2/

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// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

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

    // The signed PDF produced by this example should be verifiable at https://verificador.iti.gov.br/verifier-2.10/
    CkPdf pdf = new CkPdf();

    // Load a PDF to be signed.
    // The "hello.pdf" is available at https://chilkatsoft.com/hello.pdf
    boolean success = pdf.LoadFile("qa_data/pdf/hello.pdf");
    if (success == false) {
        Log.i(TAG, pdf.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();

    // Define the appearance and location of the signature.
    json.UpdateInt("page",1);
    json.UpdateString("appearance.y","bottom");
    json.UpdateString("appearance.x","middle");
    json.UpdateString("appearance.fontScale","9.0");
    json.UpdateString("appearance.text[0]","Digitally signed by: cert_cn");
    json.UpdateString("appearance.text[1]","current_dt");
    json.UpdateString("appearance.image","document-accepted");
    json.UpdateString("appearance.imagePlacement","left");
    json.UpdateString("appearance.imageOpacity","100");

    // Add the CMS options required for ICP-Brasil
    json.UpdateInt("contentType",1);
    json.UpdateInt("messageDigest",1);
    json.UpdateInt("signingCertificateV2",1);
    json.UpdateBool("ltvOcsp",true);

    // Listed here are the currently existing profiles. (Chilkat will add additional ICP Brasil policy profiles in future versions as new ones are created.)
    // See https://www.gov.br/iti/pt-br/assuntos/repositorio/artefatos-de-assinatura-digital for more information.
    // 
    // PA_PAdES_AD_RA_v1_0 --> 2.16.76.1.7.1.14.1
    // PA_PAdES_AD_RA_v1_1 --> 2.16.76.1.7.1.14.1.1
    // PA_PAdES_AD_RA_v1_2 --> 2.16.76.1.7.1.14.1.2
    // PA_PAdES_AD_RB_v1_0 --> 2.16.76.1.7.1.11.1
    // PA_PAdES_AD_RB_v1_1 --> 2.16.76.1.7.1.11.1.1
    // PA_PAdES_AD_RC_v1_0 --> 2.16.76.1.7.1.13.1
    // PA_PAdES_AD_RC_v1_1 --> 2.16.76.1.7.1.13.1.1
    // PA_PAdES_AD_RC_v1_2 --> 2.16.76.1.7.1.13.1.2
    // PA_PAdES_AD_RT_v1_0 --> 2.16.76.1.7.1.12.1
    // PA_PAdES_AD_RT_v1_1 --> 2.16.76.1.7.1.12.1.1

    // Set the policy profile name
    json.UpdateString("policyId.profile","PA_PAdES_AD_RB_v1_1");

    // Load the signing certificate. (Use your own certificate.)
    // Note: If loading from a smart card, call LoadFromSmartcard instead, and make sure to use Chilkat v9.5.0.88 or later.
    CkCert cert = new CkCert();
    success = cert.LoadPfxFile("qa_data/pfx/myPdfSigningCert.pfx","pfx_password");
    if (success == false) {
        Log.i(TAG, cert.lastErrorText());
        return;
        }

    // Tell the pdf object to use the certificate for signing.
    success = pdf.SetSigningCert(cert);
    if (success == false) {
        Log.i(TAG, pdf.lastErrorText());
        return;
        }

    success = pdf.SignPdf(json,"qa_output/hello_signed.pdf");
    if (success == false) {
        Log.i(TAG, pdf.lastErrorText());
        return;
        }

    Log.i(TAG, "The PDF has been successfully cryptographically signed.");

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

 

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