Quick Start: Encrypting a PDF document with a certificate using the Java API

The following Java code example encrypts a PDF document named Loan.pdf with a certificate named Encryption.cer. The encrypted PDF document is saved as a PDF file named EncryptLoanCert.pdf. (See Encrypting PDF Documents with Certificates.)

/*

 * This Java Quick Start uses the following JAR files

 * 1. adobe-encryption-client.jar

 * 2. adobe-livecycle-client.jar

 * 3. adobe-usermanager-client.jar

 * 4. adobe-utilities.jar

 * 5. jbossall-client.jar (use a different JAR file if LiveCycle ES is not deployed on JBoss)

 * 

 *  These JAR files are located in the following path:

 * <install directory>/Adobe/LiveCycle8/LiveCycle_ES_SDK/client-libs

 * 

 * For complete details about the location of these JAR files, 

 * see "Including LiveCycle ES library files" in Programming 

 * with LiveCycle ES

 */

import java.io.File;

import java.io.FileInputStream;

import java.util.ArrayList;

import java.util.List;

import java.util.Properties;

import com.adobe.idp.Document;

import com.adobe.idp.dsc.clientsdk.ServiceClientFactory;

import com.adobe.idp.dsc.clientsdk.ServiceClientFactoryProperties;

import com.adobe.livecycle.encryption.client.*;

public class PKIEncryptPDF {

	public static void main(String[] args) {

		try{

			//Set connection properties required to invoke LiveCycle ES								

			Properties connectionProps = new Properties();

			connectionProps.setProperty(ServiceClientFactoryProperties.DSC_DEFAULT_EJB_ENDPOINT, "jnp://localhost:1099");

			connectionProps.setProperty(ServiceClientFactoryProperties.DSC_TRANSPORT_PROTOCOL,ServiceClientFactoryProperties.DSC_EJB_PROTOCOL);          

			connectionProps.setProperty(ServiceClientFactoryProperties.DSC_SERVER_TYPE, "JBoss");

			connectionProps.setProperty(ServiceClientFactoryProperties.DSC_CREDENTIAL_USERNAME, "administrator");

			connectionProps.setProperty(ServiceClientFactoryProperties.DSC_CREDENTIAL_PASSWORD, "password");

			//Create a ServiceClientFactory instance

			ServiceClientFactory myFactory = ServiceClientFactory.createInstance(connectionProps);

			//Create an EncryptionServiceClient object

			EncryptionServiceClient encryptClient = new EncryptionServiceClient(myFactory); 

			//Specify the PDF document to encrypt with a certificate

			FileInputStream fileInputStream = new FileInputStream("C:\\Adobe\\Loan.pdf");	

			Document inDoc = new Document (fileInputStream); 

			//Set the List that stores PKI information

			List pkiIdentities = new ArrayList(); 

			//Set the Permission List

			List permList = new ArrayList();

			permList.add(CertificateEncryptionPermissions.PKI_ALL_PERM) ;

			//Create a Recipient object to store certificate information

			Recipient recipient = new Recipient();

			//Specify the private key that is used to encrypt the document

			FileInputStream fileInputStreamCert = new FileInputStream("C:\\Adobe\\Encryption.cer");	

			Document privateKey = new Document (fileInputStreamCert); 

			recipient.setX509Cert(privateKey);

			//Create an EncryptionIdentity object

			CertificateEncryptionIdentity encryptionId = new CertificateEncryptionIdentity(); 

			encryptionId.setPerms(permList);

			encryptionId.setRecipient(recipient);

			//Add the EncryptionIdentity to the list

			pkiIdentities.add(encryptionId);

			//Set encryption run-time options

			CertificateEncryptionOptionSpec certOptionsSpec = new CertificateEncryptionOptionSpec(); 

			certOptionsSpec.setOption(CertificateEncryptionOption.ALL);

			certOptionsSpec.setCompat(CertificateEncryptionCompatibility.ACRO_7);

			//Encrypt the PDF document with a certificate

			Document encryptDoc = encryptClient.encryptPDFUsingCertificates(inDoc,pkiIdentities, certOptionsSpec); 

			//Save the encrypted PDF document

			File outFile = new File("C:\\Adobe\\EncryptLoanCert.pdf");

			encryptDoc.copyToFile (outFile);

			}catch (Exception e) {

				e.printStackTrace();

			}

	}

}

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