Example usage for javax.crypto CipherOutputStream CipherOutputStream

Introduction

In this page you can find the example usage for javax.crypto CipherOutputStream CipherOutputStream.

Prototype

public CipherOutputStream(OutputStream os, Cipher c) 

Source Link

Document

Constructs a CipherOutputStream from an OutputStream and a Cipher.

Usage

From source file:org.apache.camel.converter.crypto.CryptoDataFormat.java

public void marshal(Exchange exchange, Object graph, OutputStream outputStream) throws Exception {
    byte[] iv = getInitializationVector(exchange);
    Key key = getKey(exchange);/*from  w  ww  .  j  a  va 2s  .  com*/

    CipherOutputStream cipherStream = new CipherOutputStream(outputStream,
            initializeCipher(ENCRYPT_MODE, key, iv));
    InputStream plaintextStream = ExchangeHelper.convertToMandatoryType(exchange, InputStream.class, graph);
    HMACAccumulator hmac = getMessageAuthenticationCode(key);
    if (plaintextStream != null) {
        inlineInitVector(outputStream, iv);
        byte[] buffer = new byte[bufferSize];
        int read;
        try {
            while ((read = plaintextStream.read(buffer)) > 0) {
                cipherStream.write(buffer, 0, read);
                cipherStream.flush();
                hmac.encryptUpdate(buffer, read);
            }
            // only write if there is data to write (IBM JDK throws exception if no data)
            byte[] mac = hmac.getCalculatedMac();
            if (mac != null && mac.length > 0) {
                cipherStream.write(mac);
            }
        } finally {
            IOHelper.close(cipherStream, "cipher", LOG);
        }
    }
}

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From source file:org.grycap.gpf4med.security.FileEncryptionProvider.java

/**
 * Encrypts the message read from the specified input stream and writes the cipher text to the 
 * specified output stream./*ww  w .  java2s  . co  m*/
 * @param fis input stream from where to read the plain text message.
 * @param fos output stream to where the cipher text is written.
 * @throws Exception if an error occurs in the execution of the operation.
 */
public void encrypt(final InputStream fis, final OutputStream fos) throws Exception {
    CipherOutputStream cos = null;
    try {
        cos = new CipherOutputStream(fos, encryptCipher);
        final byte[] buffer = new byte[1024];
        int bytesRead = 0;
        while ((bytesRead = fis.read(buffer)) >= 0) {
            cos.write(buffer, 0, bytesRead);
        }
        cos.flush();
    } finally {
        try {
            fis.close();
        } catch (Exception ignore) {
        }
        try {
            cos.close();
        } catch (Exception ignore) {
        }
    }
}

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From source file:org.jenkinsci.plugins.fabric8.support.hack.AnnotatedLargeText.java

public long writeHtmlTo(long start, Writer w) throws IOException {
    ConsoleAnnotationOutputStream caw = new ConsoleAnnotationOutputStream(w,
            this.createAnnotator(Stapler.getCurrentRequest()), this.context, this.charset);
    long r = super.writeLogTo(start, caw);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    Cipher sym = PASSING_ANNOTATOR.encrypt();
    ObjectOutputStream oos = new ObjectOutputStream(new GZIPOutputStream(new CipherOutputStream(baos, sym)));
    oos.writeLong(System.currentTimeMillis());
    oos.writeObject(caw.getConsoleAnnotator());
    oos.close();/*w  w  w.  j a  v a  2s . c o  m*/
    StaplerResponse rsp = Stapler.getCurrentResponse();
    if (rsp != null) {
        rsp.setHeader("X-ConsoleAnnotator", new String(Base64.encode(baos.toByteArray())));
    }
    return r;
}

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From source file:jfs.sync.meta.AbstractMetaStorageAccess.java

/**
 * flushing listing as meta data info for pathAndName[0] in rootPath
 *
 * @param rootPath/* w w w  .  ja  va 2  s .co m*/
 * @param pathAndName
 * path and name for the file and path for which this update takes place
 * @param listing
 */
public void flushMetaData(String rootPath, String[] pathAndName, Map<String, FileInfo> listing) {
    try {
        if (LOG.isDebugEnabled()) {
            LOG.debug("flushMetaData() flushing " + listing);
        } // if
        OutputStream os = getOutputStream(rootPath, getMetaDataPath(pathAndName[0]), false);

        try {
            byte[] credentials = getCredentials(pathAndName[0]);
            Cipher cipher = SecurityUtils.getCipher(getCipherSpec(), Cipher.ENCRYPT_MODE, credentials);
            os = new CipherOutputStream(os, cipher);
        } catch (InvalidKeyException e) {
            LOG.error("flushMetaData()", e);
        } catch (NoSuchAlgorithmException e) {
            LOG.error("flushMetaData()", e);
        } catch (NoSuchPaddingException e) {
            LOG.error("flushMetaData()", e);
        } // try/catch

        ObjectOutputStream oos = new ObjectOutputStream(os);

        for (FileInfo info : listing.values()) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("flushMetaData() writing " + info.getName());
            } // if
            oos.writeObject(info);
        } // for
        oos.flush();
        os.close();
        if (LOG.isDebugEnabled()) {
            Map<String, FileInfo> backtest = getMetaData(rootPath, pathAndName[0]);
            for (FileInfo info : backtest.values()) {
                LOG.debug("flushMetaData() reading " + info.getName());
            } // for
        } // if
    } catch (IOException ioe) {
        LOG.error("flushMetaData() error writing meta data ", ioe);
    } // try/catch
}

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From source file:uploadProcess.java

public static boolean decrypt(File inputFolder, String fileName, String patientID) {
    try {/*from www  .  j  av a2  s.  c o  m*/
        //Download File from Cloud..
        DropboxUpload download = new DropboxUpload();
        download.downloadFile(fileName, StoragePath.getDropboxDir() + patientID, inputFolder);

        String ukey = GetKey.getPatientKey(patientID);
        File inputFile = new File(inputFolder.getAbsolutePath() + File.separator + fileName);
        FileInputStream fis = new FileInputStream(inputFile);
        File outputFolder = new File(inputFolder.getAbsolutePath() + File.separator + "temp");
        if (!outputFolder.exists()) {
            outputFolder.mkdir();
        }
        FileOutputStream fos = new FileOutputStream(outputFolder.getAbsolutePath() + File.separator + fileName);
        byte[] k = ukey.getBytes();
        SecretKeySpec key = new SecretKeySpec(k, "AES");
        Cipher enc = Cipher.getInstance("AES");
        enc.init(Cipher.DECRYPT_MODE, key);
        CipherOutputStream cos = new CipherOutputStream(fos, enc);
        byte[] buf = new byte[1024];
        int read;
        while ((read = fis.read(buf)) != -1) {
            cos.write(buf, 0, read);
        }
        fis.close();
        fos.flush();
        cos.close();
        return true;
    } catch (Exception e) {
        System.out.println("Error: " + e);
    }
    return false;
}

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From source file:org.structr.cloud.CloudConnection.java

@Override
public void start() {

    // setup read and write threads for the connection
    if (socket.isConnected() && !socket.isClosed()) {

        try {/* w w  w . jav  a  2  s . com*/

            decrypter = Cipher.getInstance(CloudService.STREAM_CIPHER);
            encrypter = Cipher.getInstance(CloudService.STREAM_CIPHER);

            // this key is only used for the first two packets
            // of a transmission, it is replaced by the users
            // password hash afterwards.
            setEncryptionKey("StructrInitialEncryptionKey", 128);

            sender = new Sender(this, new DataOutputStream(new BufferedOutputStream(new GZIPOutputStream(
                    new CipherOutputStream(socket.getOutputStream(), encrypter), 32768, true))));
            receiver = new Receiver(this, new DataInputStream(new BufferedInputStream(
                    new GZIPInputStream(new CipherInputStream(socket.getInputStream(), decrypter), 32768))));

            receiver.start();
            sender.start();

            // start actual thread
            super.start();

        } catch (Throwable t) {
            t.printStackTrace();
        }
    }
}

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From source file:org.panbox.core.crypto.CryptCore.java

public static byte[] encryptSymmetricKey(byte[] symKey, PublicKey pKey) throws SymmetricKeyEncryptionException {
    try {//from   w  w  w  .  ja v a  2s  . c o m
        ASYMM_CIPHER.init(Cipher.ENCRYPT_MODE, pKey);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        CipherOutputStream cos = new CipherOutputStream(bos, ASYMM_CIPHER);
        cos.write(symKey);
        cos.flush();
        cos.close();
        byte[] byteArray = bos.toByteArray();
        return byteArray;
    } catch (Exception e) {
        throw new SymmetricKeyEncryptionException(e);
    }
}

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From source file:org.jenkinsci.plugins.fabric8.support.hack.AnnotatedLargeText.java

@Override
public long writeLogTo(long start, int size, Writer w) throws IOException {
    if (isHtml()) {
        ConsoleAnnotationOutputStream caw = new ConsoleAnnotationOutputStream(w,
                this.createAnnotator(Stapler.getCurrentRequest()), this.context, this.charset);
        long r = super.writeLogTo(start, size, caw);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Cipher sym = PASSING_ANNOTATOR.encrypt();
        ObjectOutputStream oos = new ObjectOutputStream(
                new GZIPOutputStream(new CipherOutputStream(baos, sym)));
        oos.writeLong(System.currentTimeMillis());
        oos.writeObject(caw.getConsoleAnnotator());
        oos.close();/*from  w ww.  j a v a 2 s . co  m*/
        StaplerResponse rsp = Stapler.getCurrentResponse();
        if (rsp != null) {
            rsp.setHeader("X-ConsoleAnnotator", new String(Base64.encode(baos.toByteArray())));
        }
        return r;
    } else {
        return super.writeLogTo(start, size, w);
    }
}

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From source file:org.grycap.gpf4med.security.FileEncryptionProvider.java

/**
 * Decrypts the cipher text read from the specified input stream and writes the decrypted message to 
 * the specified output stream.//w  w w .  j a va 2  s .c o m
 * @param inputStream input stream from where to read the cipher text.
 * @param outputStream output stream to where the decrypted message is written.
 * @throws Exception if an error occurs in the execution of the operation.
 */
public void decrypt(final InputStream fis, final OutputStream fos) throws Exception {
    CipherOutputStream cos = null;
    try {
        cos = new CipherOutputStream(fos, decryptCipher);
        final byte[] buffer = new byte[1024];
        int bytesRead = 0;
        while ((bytesRead = fis.read(buffer)) >= 0) {
            cos.write(buffer, 0, bytesRead);
        }
        cos.flush();
    } finally {
        try {
            fis.close();
        } catch (Exception ignore) {
        }
        try {
            cos.close();
        } catch (Exception ignore) {
        }
    }
}

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From source file:com.csipsimple.backup.SipProfileJson.java

/**
 * Save current sip configuration//from  w  ww  .  jav a  2  s  .  c o  m
 * 
 * @param ctxt
 * @return
 */
public static boolean saveSipConfiguration(Context ctxt, String filePassword) {
    File dir = PreferencesWrapper.getConfigFolder(ctxt);
    if (dir != null) {
        Date d = new Date();
        File file = new File(dir.getAbsoluteFile() + File.separator + "backup_"
                + DateFormat.format("yy-MM-dd_kkmmss", d) + ".json");
        Log.d(THIS_FILE, "Out dir " + file.getAbsolutePath());

        JSONObject configChain = new JSONObject();
        try {
            configChain.put(KEY_ACCOUNTS, serializeSipProfiles(ctxt));
        } catch (JSONException e) {
            Log.e(THIS_FILE, "Impossible to add profiles", e);
        }
        try {
            configChain.put(KEY_SETTINGS, serializeSipSettings(ctxt));
        } catch (JSONException e) {
            Log.e(THIS_FILE, "Impossible to add profiles", e);
        }

        try {
            // Create file
            OutputStream fos = new FileOutputStream(file);
            if (!TextUtils.isEmpty(filePassword)) {
                Cipher c;
                try {
                    c = Cipher.getInstance("AES");
                    SecretKeySpec k = new SecretKeySpec(filePassword.getBytes(), "AES");
                    c.init(Cipher.ENCRYPT_MODE, k);
                    fos = new CipherOutputStream(fos, c);
                } catch (NoSuchAlgorithmException e) {
                    Log.e(THIS_FILE, "NoSuchAlgorithmException :: ", e);
                } catch (NoSuchPaddingException e) {
                    Log.e(THIS_FILE, "NoSuchPaddingException :: ", e);
                } catch (InvalidKeyException e) {
                    Log.e(THIS_FILE, "InvalidKeyException :: ", e);
                }
            }
            FileWriter fstream = new FileWriter(file.getAbsoluteFile());
            BufferedWriter out = new BufferedWriter(fstream);
            out.write(configChain.toString(2));
            // Close the output stream
            out.close();
            return true;
        } catch (Exception e) {
            // Catch exception if any
            Log.e(THIS_FILE, "Impossible to save config to disk", e);
            return false;
        }
    }
    return false;
}

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