    001    /* Copyright  (c) 2002 Graz University of Technology. All rights reserved.
    002     *
    003     * Redistribution and use in  source and binary forms, with or without
    004     * modification, are permitted  provided that the following conditions are met:
    005     *
    006     * 1. Redistributions of  source code must retain the above copyright notice,
    007     *    this list of conditions and the following disclaimer.
    008     *
    009     * 2. Redistributions in  binary form must reproduce the above copyright notice,
    010     *    this list of conditions and the following disclaimer in the documentation
    011     *    and/or other materials provided with the distribution.
    012     *
    013     * 3. The end-user documentation included with the redistribution, if any, must
    014     *    include the following acknowledgment:
    015     *
    016     *    "This product includes software developed by IAIK of Graz University of
    017     *     Technology."
    018     *
    019     *    Alternately, this acknowledgment may appear in the software itself, if
    020     *    and wherever such third-party acknowledgments normally appear.
    021     *
    022     * 4. The names "Graz University of Technology" and "IAIK of Graz University of
    023     *    Technology" must not be used to endorse or promote products derived from
    024     *    this software without prior written permission.
    025     *
    026     * 5. Products derived from this software may not be called
    027     *    "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior
    028     *    written permission of Graz University of Technology.
    029     *
    030     *  THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
    031     *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    032     *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    033     *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE
    034     *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
    035     *  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    036     *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
    037     *  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
    038     *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    039     *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    040     *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    041     *  POSSIBILITY  OF SUCH DAMAGE.
    042     */
    043
    044    package demo.pkcs.pkcs11;
    045
    046    import java.io.FileInputStream;
    047    import java.io.FileOutputStream;
    048    import java.io.InputStream;
    049    import java.io.OutputStream;
    050    import java.security.Security;
    051
    052    import iaik.asn1.structures.AlgorithmID;
    053    import iaik.pkcs.pkcs7.EnvelopedDataStream;
    054    import iaik.pkcs.pkcs7.RecipientInfo;
    055    import iaik.security.provider.IAIK;
    056    import iaik.x509.X509Certificate;
    057
    058
    059
    060    /**
    061     * This helper class encrypts the given data using TrippleDES and encrypts the
    062     * symmetric key using the public key in the given certificate.
    063     *
    064     * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a>
    065     * @version 0.1
    066     * @invariants
    067     */
    068    public class EncryptPKCS7EnvelopedData {
    069
    070      public static void main(String[] args) {
    071        if (args.length != 3) {
    072          printUsage();
    073          System.exit(1);
    074        }
    075
    076        try {
    077          Security.addProvider(new IAIK());
    078
    079          System.out.println("Encrypting data from file: " + args[0]);
    080          InputStream dataInputStream = new FileInputStream(args[0]);
    081
    082          EnvelopedDataStream envelopedData = new EnvelopedDataStream(dataInputStream, AlgorithmID.des_EDE3_CBC);
    083
    084          System.out.println("using recipient certificate from: " + args[1]);
    085          InputStream certificateInputStream = new FileInputStream(args[1]);
    086
    087          X509Certificate recipientCertificate = new X509Certificate(certificateInputStream);
    088          System.out.println("which is: ");
    089          System.out.println(recipientCertificate.toString(true));
    090
    091
    092          RecipientInfo recipient = new RecipientInfo(recipientCertificate, AlgorithmID.rsaEncryption);
    093
    094          envelopedData.setRecipientInfos(new RecipientInfo[] { recipient } );
    095
    096          System.out.println("writing enveloped data to: " + args[2]);
    097          OutputStream envelopedDataOutputStream = new FileOutputStream(args[2]);
    098          envelopedData.writeTo(envelopedDataOutputStream);
    099
    100        } catch (Throwable thr) {
    101          thr.printStackTrace();
    102        }
    103      }
    104
    105      public static void printUsage() {
    106        System.out.println("Usage: EncryptPKCS7EnvelopedData <data to encrypt file> <recipient certificate> <PKCS#7 enveloped data file>");
    107        System.out.println(" e.g.: EncryptPKCS7EnvelopedData contentData.dat recipientCertificte.der envelopedData.p7");
    108      }
    109
    110
    111    }