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:DesEncrypter.java

public void encrypt(InputStream in, OutputStream out) throws Exception {
    out = new CipherOutputStream(out, ecipher);

    int numRead = 0;
    while ((numRead = in.read(buf)) >= 0) {
        out.write(buf, 0, numRead);// www.  jav a 2 s . c  om
    }
    out.close();
}

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From source file:MainClass.java

public static void write(byte[] bytes, OutputStream out) throws Exception {
    CipherOutputStream cos = new CipherOutputStream(out, m_encrypter);
    cos.write(bytes, 0, bytes.length);// www . ja  v a 2s . c o  m
    cos.close();
}

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From source file:com.scorpio4.util.io.IOStreamCrypto.java

public CipherOutputStream encrypt(OutputStream out) throws NoSuchPaddingException, NoSuchAlgorithmException,
        InvalidAlgorithmParameterException, InvalidKeyException {
    final SecretKey key = new SecretKeySpec(bytePassword, cipherSpec);
    final IvParameterSpec IV = new IvParameterSpec(ivBytes);
    final Cipher cipher = Cipher.getInstance(cipherTransformation);
    cipher.init(Cipher.ENCRYPT_MODE, key, IV);
    return new CipherOutputStream(new Base64OutputStream(out), cipher);
}

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From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
private static String encryptStringImpl(Context context, final String plainText) {
    String encryptedText = plainText;
    try {//  w w  w.j a va2  s.c  om
        final KeyStore keyStore = getKeyStore(context);

        PublicKey publicKey = keyStore.getCertificate(KEY_ALIAS).getPublicKey();

        String algorithm = ALGORITHM_OLD;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            algorithm = ALGORITHM;
        }
        Cipher cipher = Cipher.getInstance(algorithm);
        cipher.init(Cipher.ENCRYPT_MODE, publicKey);

        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        CipherOutputStream cipherOutputStream = new CipherOutputStream(outputStream, cipher);
        cipherOutputStream.write(plainText.getBytes("UTF-8"));
        cipherOutputStream.close();

        byte[] bytes = outputStream.toByteArray();
        encryptedText = Base64.encodeToString(bytes, Base64.DEFAULT);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return encryptedText;
}

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From source file:com.intera.roostrap.util.EncryptionUtil.java

private static void encryptOrDecrypt(String encryptionKey, int mode, InputStream is, OutputStream os)
        throws InvalidKeyException, IOException {
    DESKeySpec keySpec = new DESKeySpec(toBytes(encryptionKey));

    SecretKey key = null;//from w  w  w  .  j  a  va 2  s.c  om
    Cipher cipher = null;
    try {
        SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("DES");
        key = secretKeyFactory.generateSecret(keySpec);
        cipher = Cipher.getInstance("DES");

    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    if (mode == Cipher.ENCRYPT_MODE) {
        cipher.init(Cipher.ENCRYPT_MODE, key);
        CipherInputStream cis = new CipherInputStream(is, cipher);
        doCopy(cis, os);
    } else if (mode == Cipher.DECRYPT_MODE) {
        cipher.init(Cipher.DECRYPT_MODE, key);
        CipherOutputStream cos = new CipherOutputStream(os, cipher);
        doCopy(is, cos);
    }
}

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From source file:org.orbeon.oxf.main.SecureResource.java

private void encrypt() {
    try {/*from   w w  w  .ja va 2s  .  c o m*/
        FileOutputStream archiveFile = new FileOutputStream(archiveName);

        ZipOutputStream zip = new ZipOutputStream(new CipherOutputStream(archiveFile,
                SecureUtils.getEncryptingCipher(SecureResourceManagerImpl.getPassword(), true)));
        File rr = new File(resourceRoot);
        archiveAndEncrypt(rr, zip);
        zip.finish();
        zip.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:uploadProcess.java

public static boolean encrypt(File inputFolder, File outputFolder, String fileName, String patientID) {
    try {/*from  w  w w . j  av a2 s  .c  o  m*/

        String ukey = GetKey.getPatientKey(patientID);
        File filePath = new File(inputFolder.getAbsolutePath() + File.separator + fileName);
        FileInputStream fis = new FileInputStream(filePath);
        File outputFile = new File(outputFolder.getAbsolutePath() + File.separator + fileName);
        FileOutputStream fos = new FileOutputStream(outputFile);
        byte[] k = ukey.getBytes();
        SecretKeySpec key = new SecretKeySpec(k, "AES");
        //            System.out.println(key);
        Cipher enc = Cipher.getInstance("AES");
        enc.init(Cipher.ENCRYPT_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();

        //Upload File to cloud
        DropboxUpload upload = new DropboxUpload();
        upload.uploadFile(outputFolder, fileName, StoragePath.getDropboxDir() + patientID);
        DeleteDirectory.delete(outputFolder);
        return true;
    } catch (Exception e) {
        System.out.println("Error: " + e);
    }
    return false;
}

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From source file:at.tfr.securefs.util.Main.java

public void execute() throws Exception {

    Cipher cipher = null;//  w w w  .  j  a va 2 s.  c om

    if (test) {
        nrOfShares = KeyConstants.nrOfSharesForTest;
        threshold = KeyConstants.thresholdForTest;
        modulus = KeyConstants.modulusForTest;
        shares = KeyConstants.sharesForTest;
    }

    configuration.setBasePath(basePath);

    secret = new Shamir().combine(nrOfShares, threshold, modulus, shares);

    secretBean.setSecret(secret);
    Path filePath = basePath.resolve(file);

    cipher = sksBean.getCipher(configuration.getSalt(), mode);

    OutputStream outputStream = outFile == null ? System.out
            : new FileOutputStream(basePath.resolve(outFile).toFile());

    CipherOutputStream os = new CipherOutputStream(outputStream, cipher);

    IOUtils.copy(new FileInputStream(filePath.toFile()), os);
    os.close();

}

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From source file:com.cubusmail.server.mail.security.MailPasswordEncryptor.java

public byte[] encryptPassowrd(String password) {

    Cipher cipher;//  w w w .ja v a2 s.c  o m
    try {
        cipher = Cipher.getInstance(this.algorithm);
        cipher.init(Cipher.ENCRYPT_MODE, this.keyPair.getPublic());

        ByteArrayOutputStream baosEncryptedData = new ByteArrayOutputStream();
        CipherOutputStream cos = new CipherOutputStream(baosEncryptedData, cipher);

        cos.write(password.getBytes("UTF-8"));
        cos.flush();
        cos.close();

        return baosEncryptedData.toByteArray();
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new IllegalStateException(e.getMessage(), e);
    }
}

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From source file:corner.util.crypto.Cryptor.java

/**
 * IO?,IO??,./*ww  w  .j a  v  a 2  s.c om*/
 * @param outFileName ??. 
 * @param keyFile ??.
 * @return ??.
 */
public static OutputStream encryptFileIO(String outFileName, String keyFile) {
    if (keyFile == null) {
        try {
            return new FileOutputStream(outFileName);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
    SecretKey key = null;

    //?
    ObjectInputStream keyis;
    try {
        keyis = new ObjectInputStream(new FileInputStream(keyFile));
        key = (SecretKey) keyis.readObject();
        keyis.close();
    } catch (FileNotFoundException e) {
        log.error("file not found!", e);
        throw new RuntimeException("file not found", e);
    } catch (IOException e) {
        log.error("io occour exception", e);
        throw new RuntimeException(e);
    } catch (ClassNotFoundException e) {
        log.error("Class Not Found  exception", e);
        throw new RuntimeException(e);
    }

    //keyCipher
    Cipher cipher = null;
    //?Cipher?

    try {
        cipher = Cipher.getInstance("DES");
        //?

        cipher.init(Cipher.ENCRYPT_MODE, key);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (NoSuchPaddingException e) {
        throw new RuntimeException(e);
    } catch (InvalidKeyException e) {
        throw new RuntimeException(e);
    }

    //???

    //
    CipherOutputStream out = null;
    try {
        out = new CipherOutputStream(new BufferedOutputStream(new FileOutputStream(outFileName)), cipher);
    } catch (FileNotFoundException e) {
        throw new RuntimeException(e);
    }

    return out;

}

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