Examples of javax.crypto.Cipher

javax.crypto.Cipher
@com.intel.drl.spec_ref

        Event event=new Event(Event.MSG, msg);
        encrypt.down(event);
        Message sentMsg=(Message)((Event)observer.getDownMessages().get("message0")).getArg();
        String encText=new String(sentMsg.getBuffer());
        assert !encText.equals(messageText);
        Cipher cipher=encrypt2.getSymDecodingCipher();
        byte[] decodedBytes=cipher.doFinal(sentMsg.getBuffer());
        String temp=new String(decodedBytes);
        System.out.println("decoded text:" + temp);
        assert temp.equals(messageText);


    }

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        MockObserver observer=new MockObserver();
        encrypt.setObserver(observer);


        encrypt.keyServer=true;
        String messageText="hello this is a test message";
        Cipher cipher=encrypt2.getSymEncodingCipher();
        byte[] encodedBytes=cipher.doFinal(messageText.getBytes());
        assert !new String(encodedBytes).equals(messageText);


        MessageDigest digest=MessageDigest.getInstance("MD5");
        digest.reset();
        digest.update(encrypt.getDesKey().getEncoded());

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        MockObserver observer=new MockObserver();
        encrypt.setObserver(observer);


        encrypt.keyServer=true;
        String messageText="hello this is a test message";
        Cipher cipher=encrypt2.getSymEncodingCipher();
        byte[] encodedBytes=cipher.doFinal(messageText.getBytes());
        assert !new String(encodedBytes).equals(messageText);


        MessageDigest digest=MessageDigest.getInstance("MD5");
        digest.reset();
        digest.update(encrypt2.getDesKey().getEncoded());

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        MockObserver observer=new MockObserver();
        encrypt.setObserver(observer);


        encrypt.keyServer=true;
        String messageText="hello this is a test message";
        Cipher cipher=encrypt2.getSymEncodingCipher();
        byte[] encodedBytes=cipher.doFinal(messageText.getBytes());
        assert !new String(encodedBytes).equals(messageText);


        Message msg=new Message(null, null, encodedBytes);
        Event event=new Event(Event.MSG, msg);
        encrypt.up(event);

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      System.arraycopy( hash, 0, key_data, 0, hash.length );
      
      SecretKey tdes_key = new SecretKeySpec( key_data, "DESede" );


      Cipher cipher = Cipher.getInstance("DESede");  // Triple-DES encryption


      cipher.init(mode, tdes_key );
            
      return( cipher.doFinal(data, data_offset, data.length - data_offset ));
            
    }catch( Throwable e ){
      
      Debug.out( e );

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        encrypt.setLocal_addr(tempAddress);
        MockObserver observer=new MockObserver();
        encrypt.setObserver(observer);


        // produce encrypted message
        Cipher cipher=encrypt.getSymEncodingCipher();


        MessageDigest digest=MessageDigest.getInstance("MD5");
        digest.reset();
        digest.update(encrypt.getDesKey().getEncoded());


        String symVersion=new String(digest.digest(), "UTF-8");


        encrypt.keyServer=false;
        Message msg=new Message();
        msg.setBuffer(cipher.doFinal("hello".getBytes()));
        msg.putHeader(ENCRYPT_ID, new EncryptHeader(EncryptHeader.ENCRYPT, symVersion));


        Event evt=new Event(Event.MSG, msg);


        //pass in event to encrypt layer


        encrypt.up(evt);


        // assert that message is queued as we have no key
        Util.assertTrue(observer.getUpMessages().isEmpty());


        // send a view change to trigger the become key server
        // we use the fact that our address is now the controller one
        Vector tempVector=new Vector();
        tempVector.add(tempAddress);
        View tempView=new View(new ViewId(tempAddress, 1), tempVector);
        Event event=new Event(Event.VIEW_CHANGE, tempView);
        // this should have changed us to the key server
        encrypt.up(event);


        // send another encrypted message
        Message msg2=new Message();
        msg2.setBuffer(cipher.doFinal("hello2".getBytes()));
        msg2.putHeader(ENCRYPT_ID, new EncryptHeader(EncryptHeader.ENCRYPT, symVersion));


        // we should have three messages now in our observer
        // that are decrypted

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        digest.update(server.getDesKey().getEncoded());


        String symVersion=new String(digest.digest(), "UTF-8");


        // encrypt and send an initial message to peer
        Cipher cipher=server.getSymEncodingCipher();
        Message msg=new Message();
        msg.setBuffer(cipher.doFinal("hello".getBytes()));
        msg.putHeader(ENCRYPT_ID, new EncryptHeader(EncryptHeader.ENCRYPT, symVersion));


        Event evt=new Event(Event.MSG, msg);


        peer.up(evt);
        //assert that message is queued as we have no key from server
        Util.assertTrue(peerObserver.getUpMessages().isEmpty());


        // send a view change where we are not the controller


        // send to peer - which should have peer2 as its key server
        peer.up(serverEvent);
        // assert that peer\ keyserver address is now set
        Util.assertEquals(serverAddress, peer.getKeyServerAddr());


        // get the resulting message from the peer - should be a key request


        Event sent=(Event)peerObserver.getDownMessages().get("message0");


        Util.assertEquals(((EncryptHeader)((Message)sent.getArg()).getHeader(ENCRYPT_ID)).getType(), EncryptHeader.KEY_REQUEST);
        Util.assertEquals(new String(((Message)sent.getArg()).getBuffer()), new String(peer.getKpair().getPublic().getEncoded()));


        // send this event to server
        server.up(sent);


        Event reply=(Event)serverObserver.getDownMessages().get("message1");


        //assert that reply is the session key encrypted with peer's public key
        Util.assertEquals(((EncryptHeader)((Message)reply.getArg()).getHeader(ENCRYPT_ID)).getType(), EncryptHeader.SECRETKEY);




        assert !peer.getDesKey().equals(server.getDesKey());
        // now send back to peer
        peer.up(reply);


        // assert that both now have same key
        Util.assertEquals(peer.getDesKey(), server.getDesKey());


        // send another encrypted message to peer to test queue
        Message msg2=new Message();
        msg2.setBuffer(cipher.doFinal("hello2".getBytes()));
        msg2.putHeader(ENCRYPT_ID, new EncryptHeader(EncryptHeader.ENCRYPT, symVersion));


        Event evt2=new Event(Event.MSG, msg2);


        peer.up(evt2);

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    Properties returnProperties = null;
    try {
      byte[] zeros = new byte[8];
      Arrays.fill(zeros, (byte)0);
      IvParameterSpec ivSpec = new IvParameterSpec(zeros);
      Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
      cipher.init(Cipher.DECRYPT_MODE, blowfishKey, ivSpec);


      ByteArrayInputStream byteArrayInStream = new ByteArrayInputStream(cipher.doFinal(licenseFile));
      returnProperties = new Properties();
      returnProperties.load(byteArrayInStream);
    } catch (Exception exception) {
      logger.error("decryptLicenseFile: generic Exception", exception);
    }

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    try {
      X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(PUBLIC_KEY);
      KeyFactory keyFactory = KeyFactory.getInstance("RSA");
      RSAPublicKey publicKey = (RSAPublicKey)keyFactory.generatePublic(publicKeySpec);


      Cipher cipher = Cipher.getInstance("RSA");
      cipher.init(Cipher.DECRYPT_MODE, publicKey);


      byte[] blowfishKeyByteArray = cipher.doFinal(encryptedKey);
      blowfishKey = new SecretKeySpec(blowfishKeyByteArray, "Blowfish");
    } catch (Exception exception) {
      logger.error("[decryptBlowfishKey] Exception thrown.", exception);
    }
    return blowfishKey;

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      Arrays.fill(zeros, (byte)0);
      IvParameterSpec ivSpec = new IvParameterSpec(zeros);
      ByteArrayOutputStream byteArrayOutStream = new ByteArrayOutputStream();
      serverProperties.store(byteArrayOutStream, "CentraView Server Properties");


      Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
      cipher.init(Cipher.ENCRYPT_MODE, blowfishKey, ivSpec);


      returnByteArray = cipher.doFinal(byteArrayOutStream.toByteArray());
    } catch (Exception exception) {
      logger.error("[encryptServerData] Exception thrown.", exception);
    }
    return returnByteArray;
  } //end of encryptServerData method

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