Java

Create ICP-Brasil Compliant CMS Signature

See more CAdES Examples

Demonstrates how to create a .p7s signature that contains a data file, which in this case is a PDF. The .p7s will be compliant with the ICP-Brazil Digital Signature Standard.

The .p7s file created by this example can be verified at ICP-Brasil Online Verifier

Chilkat2 Java

import com.chilkatsoft.chilkat2.BinData;
import com.chilkatsoft.chilkat2.Cert;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Crypt2;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // ------------------------------------------------------------------------------------------------------
        // Note: This example creates a CMS signature (.p7s) that contains the PDF.
        // It is different than signing a PDF.  To sign a PDF where the resulting PDF contains the CMS signature,
        // see this example:  Sign PDF for ICP-Brasil
        // ------------------------------------------------------------------------------------------------------
        Crypt2 crypt = new Crypt2();

        // Any type of file can be signed.  It doesn't have to be a PDF.
        String inFile = "qa_data/pdf/helloWorld.pdf";

        BinData bd = new BinData();
        try {
            bd.loadFile(inFile);
        } catch (ChilkatException e) {
            System.out.println("Failed to load " + inFile);
            return;
        }

        // We'll be using a certificate w/ private key stored on a smartcard for signing.
        Cert cert = new Cert();

        // If the smartcard or token requires a PIN, we can set it here to avoid the dialog...
        cert.setSmartCardPin("000000");

        try {
            cert.loadFromSmartcard("");

            // Tell the crypt component to use this cert.
            crypt.setSigningCert(cert);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Set properties for signing...
        crypt.setHashAlgorithm("sha256");

        JsonObject jsonSigningAttrs = new JsonObject();
        jsonSigningAttrs.updateInt("contentType", 1);
        jsonSigningAttrs.updateInt("signingTime", 1);
        jsonSigningAttrs.updateInt("messageDigest", 1);
        jsonSigningAttrs.updateBool("signingCertificateV2", 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_AD_RA --> 2.16.76.1.7.1.5.1
        // PA_AD_RA_v1_1 --> 2.16.76.1.7.1.5.1.1
        // PA_AD_RA_v1_2 --> 2.16.76.1.7.1.5.1.2
        // PA_AD_RA_v2_0 --> 2.16.76.1.7.1.5.2
        // PA_AD_RA_v2_1 --> 2.16.76.1.7.1.5.2.1
        // PA_AD_RA_v2_2 --> 2.16.76.1.7.1.5.2.2
        // PA_AD_RA_v2_3 --> 2.16.76.1.7.1.5.2.3
        // PA_AD_RA_v2_4 --> 2.16.76.1.7.1.5.2.4
        // PA_AD_RB --> 2.16.76.1.7.1.1.1
        // PA_AD_RB_v1_1 --> 2.16.76.1.7.1.1.1.1
        // PA_AD_RB_v2_0 --> 2.16.76.1.7.1.1.2
        // PA_AD_RB_v2_1 --> 2.16.76.1.7.1.1.2.1
        // PA_AD_RB_v2_2 --> 2.16.76.1.7.1.1.2.2
        // PA_AD_RB_v2_3 --> 2.16.76.1.7.1.1.2.3
        // PA_AD_RC --> 2.16.76.1.7.1.4.1
        // PA_AD_RC_v1_1 --> 2.16.76.1.7.1.4.1.1
        // PA_AD_RC_v2_0 --> 2.16.76.1.7.1.4.2
        // PA_AD_RC_v2_1 --> 2.16.76.1.7.1.4.2.1
        // PA_AD_RC_v2_2 --> 2.16.76.1.7.1.4.2.2
        // PA_AD_RC_v2_3 --> 2.16.76.1.7.1.4.2.3
        // PA_AD_RT --> 2.16.76.1.7.1.2.1
        // PA_AD_RT_v1_1 --> 2.16.76.1.7.1.2.1.1
        // PA_AD_RT_v2_0 --> 2.16.76.1.7.1.2.2
        // PA_AD_RT_v2_1 --> 2.16.76.1.7.1.2.2.1
        // PA_AD_RT_v2_2 --> 2.16.76.1.7.1.2.2.2
        // PA_AD_RT_v2_3 --> 2.16.76.1.7.1.2.2.3
        // PA_AD_RV --> 2.16.76.1.7.1.3.1
        // PA_AD_RV_v1_1 --> 2.16.76.1.7.1.3.1.1
        // PA_AD_RV_v2_0 --> 2.16.76.1.7.1.3.2
        // PA_AD_RV_v2_1 --> 2.16.76.1.7.1.3.2.1
        // PA_AD_RV_v2_2 --> 2.16.76.1.7.1.3.2.2
        // PA_AD_RV_v2_3 --> 2.16.76.1.7.1.3.2.3

        // Set the policy OID and the profile name
        jsonSigningAttrs.updateString("policyId.id", "2.16.76.1.7.1.1.2.3");
        jsonSigningAttrs.updateString("policyId.profile", "PA_AD_RB_v2_3");

        crypt.setSigningAttributes(jsonSigningAttrs.emit());

        // The Brazil government validator requires the ASN.1 data to be in "constructed octets" form..
        crypt.setUncommonOptions("UseConstructedOctets,OmitAlgorithmIdNull");
        crypt.setIncludeCertChain(false);

        // Sign.
        try {
            crypt.opaqueSignBd(bd);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Save to a .p7s
        bd.writeFile("qa_output/helloWorld.pdf.p7s");

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