Examples of CMSEnvelopedDataStreamGenerator

org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

General class for generating a CMS enveloped-data message stream.

A simple example of usage.

 CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator(); edGen.addKeyTransRecipient(cert); ByteArrayOutputStream  bOut = new ByteArrayOutputStream(); OutputStream out = edGen.open( bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC"); out.write(data); out.close();

Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

     * @throws Exception
     */
    public static void encrypt(final InputStream is, OutputStream os, X509Certificate cert) throws Exception {
        final InputStream bis = new BufferedInputStream(is, bufferSize);
        final OutputStream bos = new BufferedOutputStream(os, bufferSize);
        final CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();
        edGen.addKeyTransRecipient(cert.getPublicKey(), "hej".getBytes() );
        final OutputStream out = edGen.open(bos, CMSEnvelopedGenerator.AES128_CBC, "BC");
        fromInToOut(bis, out);
        bos.close();
        os.close();
    }

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

                 .setProvider("BC")
                 .build();
         if (out.getCertificate() == null) throw new NullPointerException("The certificate object was not set.");
         JceKeyTransRecipientInfoGenerator infoGenerator = new JceKeyTransRecipientInfoGenerator(out.getCertificate());
         infoGenerator.setProvider("BC");
         CMSEnvelopedDataStreamGenerator generator = new CMSEnvelopedDataStreamGenerator();
         generator.addRecipientInfoGenerator(infoGenerator);




         MimeBodyPart _msg = createBodyPart(providers, out);


         baos = new ByteArrayOutputStream();
         encrypted = generator.open(baos, encryptor);


         _msg.writeTo(encrypted);
         encrypted.close();
         byte[] bytes = baos.toByteArray();
         String str = Base64.encodeBytes(bytes, Base64.DO_BREAK_LINES);

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

   {
      OutputEncryptor encryptor = new JceCMSContentEncryptorBuilder(CMSAlgorithm.DES_EDE3_CBC)
              .setProvider("BC")
              .build();
      JceKeyTransRecipientInfoGenerator infoGenerator = new JceKeyTransRecipientInfoGenerator(cert);
      CMSEnvelopedDataStreamGenerator generator = new CMSEnvelopedDataStreamGenerator();
      generator.addRecipientInfoGenerator(infoGenerator);




      InternetHeaders ih = new InternetHeaders();
      ih.addHeader("Content-Type", "application/xml");


      MimeBodyPart _msg = new MimeBodyPart(ih, "<customer name=\"bill\"/>".getBytes());


      ByteArrayOutputStream os = new ByteArrayOutputStream();
      OutputStream encrypted = generator.open(os, encryptor);


      _msg.writeTo(encrypted);
      encrypted.close();


      String str = Base64.encodeBytes(os.toByteArray(), Base64.DO_BREAK_LINES);

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

        }
        
        //
        // unbuffered
        //
        CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();
    
        edGen.addKeyTransRecipient(_reciCert);
    
        ByteArrayOutputStream  bOut = new ByteArrayOutputStream();
        
        OutputStream out = edGen.open(
                                bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC");
    
        for (int i = 0; i != 2000; i++)
        {
            out.write(data[i]);
        }
        
        out.close();
        
        verifyData(bOut, CMSEnvelopedDataGenerator.AES128_CBC, data);
        
        int unbufferedLength = bOut.toByteArray().length;
        
        //
        // Using buffered output - should be == to unbuffered
        //
        edGen = new CMSEnvelopedDataStreamGenerator();
    
        edGen.addKeyTransRecipient(_reciCert);
    
        bOut = new ByteArrayOutputStream();
        
        out = edGen.open(bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC");
    
        BufferedOutputStream bfOut = new BufferedOutputStream(out, 300);
        
        for (int i = 0; i != 2000; i++)
        {

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

        }
        
        //
        // unbuffered
        //
        CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();
    
        edGen.addKeyTransRecipient(_reciCert);
    
        ByteArrayOutputStream  bOut = new ByteArrayOutputStream();
        
        OutputStream out = edGen.open(
                                bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC");
    
        for (int i = 0; i != 2000; i++)
        {
            out.write(data[i]);
        }
        
        out.close();
        
        verifyData(bOut, CMSEnvelopedDataGenerator.AES128_CBC, data);
        
        int unbufferedLength = bOut.toByteArray().length;
        
        //
        // buffered - less than default of 1000
        //
        edGen = new CMSEnvelopedDataStreamGenerator();
    
        edGen.setBufferSize(300);
        
        edGen.addKeyTransRecipient(_reciCert);
    
        bOut = new ByteArrayOutputStream();
        
        out = edGen.open(bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC");
    
        for (int i = 0; i != 2000; i++)
        {
            out.write(data[i]);
        }

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

        for (int i = 0; i != 2000; i++)
        {
            data[i] = (byte)(i & 0xff);
        }


        CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();
    
        edGen.addKeyTransRecipient(_reciCert);
    
        ByteArrayOutputStream  bOut = new ByteArrayOutputStream();
        
        OutputStream out = edGen.open(
                                bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC");
    
        for (int i = 0; i != 2000; i++)
        {
            out.write(data[i]);

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

        }
        
        //
        // buffered
        //
        CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();
    
        edGen.setBufferSize(BUFFER_SIZE);
        
        edGen.addKeyTransRecipient(_reciCert);
    
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        
        OutputStream out = edGen.open(bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC");
    
        for (int i = 0; i != data.length; i++)
        {
            out.write(data[i]);
        }

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

    public void testKeyTransAES128()
        throws Exception
    {
        byte[]          data     = "WallaWallaWashington".getBytes();
        
        CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();
    
        edGen.addKeyTransRecipient(_reciCert);
    
        ByteArrayOutputStream  bOut = new ByteArrayOutputStream();
        
        OutputStream out = edGen.open(
                                bOut, CMSEnvelopedDataGenerator.AES128_CBC, "BC");
    
        out.write(data);
        
        out.close();

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

            return;
        }
        
        byte[]          data     = "WallaWallaWashington".getBytes();
        
        CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();


        edGen.addKeyTransRecipient(_reciCert);


        ByteArrayOutputStream  bOut = new ByteArrayOutputStream();
        
        OutputStream out = edGen.open(
                                bOut, CMSEnvelopedDataGenerator.CAST5_CBC, "SunJCE");


        out.write(data);
        
        out.close();

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Examples of org.bouncycastle.cms.CMSEnvelopedDataStreamGenerator

        throws Exception
    {
        byte[]    data = "WallaWallaWashington".getBytes();
        SecretKey kek  = CMSTestUtil.makeAES192Key();
        
        CMSEnvelopedDataStreamGenerator edGen = new CMSEnvelopedDataStreamGenerator();


        byte[]  kekId = new byte[] { 1, 2, 3, 4, 5 };


        edGen.addKEKRecipient(kek, kekId);


        ByteArrayOutputStream  bOut = new ByteArrayOutputStream();
        
        OutputStream out = edGen.open(
                                bOut,
                                CMSEnvelopedDataGenerator.DES_EDE3_CBC, "BC");
        out.write(data);
        
        out.close();

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