Examples of javax.crypto.CipherInputStream

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

    synchronized (lock) {
      ObjectInputStream input = null;


      try {
        input = new ObjectInputStream(
            new CipherInputStream(context.openFileInput(SECRETS_FILE_NAME),
                                  cipher));
        secrets = (ArrayList<Secret>) input.readObject();
      } catch (Exception ex) {
        Log.e(LOG_TAG, "loadSecretsV1", ex);
      } finally {

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    if (!Arrays.equals(pair.salt, salt) || pair.rounds != rounds) {
      return null;
    }


    ObjectInputStream oin = new ObjectInputStream(
        new CipherInputStream(input, cipher));
    try {
      return (ArrayList<Secret>) oin.readObject();
    } finally {
      try {if (null != oin) oin.close();} catch (IOException ex) {}
    }

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    {
      InputStream is = new FileInputStream(inputFile);
      try
      {
        java.util.zip.ZipInputStream zis = null;
        CipherInputStream cis = null;
        
        // Check whether we need to decrypt the file content:
        if (passCode != null && passCode.length() > 0)
        {
          
          byte[] iv = new byte[IV_LENGTH];
          is.read(iv);


          Cipher cipher = null; 
          try
          {
            cipher = getCipher(Cipher.DECRYPT_MODE, passCode, iv);
          }
          catch (GeneralSecurityException gse)
          {
            throw new ManifoldCFException("Could not decrypt configuratiom file: " + gse.getMessage());
          }
          cis = new CipherInputStream(is, cipher);
          zis = new java.util.zip.ZipInputStream(cis);
        }
        else
          zis = new java.util.zip.ZipInputStream(is);


        try
        {
          // Now, work within a transaction.
          database.beginTransaction();
          try
          {
            // Process the entries in the order in which they were recorded.
            int entries = 0;
            while (true)
            {
              java.util.zip.ZipEntry z = zis.getNextEntry();
              // Stop if there are no more entries
              if (z == null)
                break;
              entries++;
              // Get the name of the entry
              String name = z.getName();
              if (name.equals("outputs"))
                outputManager.importConfiguration(zis);
              else if (name.equals("authorities"))
                authManager.importConfiguration(zis);
              else if (name.equals("connections"))
                connManager.importConfiguration(zis);
              else if (name.equals("jobs"))
                jobManager.importConfiguration(zis);
              else
                throw new ManifoldCFException("Configuration file has an entry named '"+name+"' that I do not recognize");
              zis.closeEntry();


            }
            if (entries == 0 && passCode != null && passCode.length() > 0)
              throw new ManifoldCFException("Cannot read configuration file. Please check your passcode and/or SALT value.");
            // All done!!
          }
          catch (ManifoldCFException e)
          {
            database.signalRollback();
            throw e;
          }
          catch (Error e)
          {
            database.signalRollback();
            throw e;
          }
          finally
          {
            database.endTransaction();
          }
        }
        finally
        {
          zis.close();
          if (cis != null) {
            cis.close();
          }
        }
      }
      finally
      {

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            throw new NullPointerException("OutputStream argument cannot be null.");
        }


        javax.crypto.Cipher cipher = initNewCipher(cryptMode, keyBytes, iv, true);


        CipherInputStream cis = new CipherInputStream(in, cipher);


        int bufSize = getStreamingBufferSize();
        byte[] buffer = new byte[bufSize];


        int bytesRead;
        try {
            while ((bytesRead = cis.read(buffer)) != -1) {
                out.write(buffer, 0, bytesRead);
            }
        } catch (IOException e) {
            throw new CryptoException(e);
        }

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    public Object unmarshal(Exchange exchange, InputStream encryptedStream) throws Exception {
        Object unmarshalled = null;
        if (encryptedStream != null) {
            byte[] iv = getInlinedInitializationVector(exchange, encryptedStream);
            Key key = getKey(exchange);
            CipherInputStream cipherStream = new CipherInputStream(encryptedStream, initializeCipher(DECRYPT_MODE, key, iv));


            ByteArrayOutputStream plaintextStream = new ByteArrayOutputStream(bufferSize);
            HMACAccumulator hmac = getMessageAuthenticationCode(key);
            byte[] buffer = new byte[bufferSize];
            hmac.attachStream(plaintextStream);
            int read;
            while ((read = cipherStream.read(buffer)) >= 0) {
                hmac.decryptUpdate(buffer, read);
            }
            hmac.validate();
            unmarshalled = plaintextStream.toByteArray();
        }

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   * @param out
   */
  public void decrypt(InputStream in, OutputStream out) {
    try {
      // Bytes read from in will be decrypted
      in = new CipherInputStream(in, dcipher);


      // Read in the decrypted bytes and write the cleartext to out
      int numRead = 0;
      while ((numRead = in.read(buf)) >= 0) {
        out.write(buf, 0, numRead);

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            byte[] iv = new byte[c.getBlockSize()];


            c.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(iv));


            encStream = new BCPGInputStream(new CipherInputStream(encData.getInputStream(), c));


            if (encData instanceof SymmetricEncIntegrityPacket)
            {
                truncStream = new TruncatedStream(encStream);

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                byte[]       iv = new byte[c2.getBlockSize()];
                
                c2.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(iv));


                encStream = new BCPGInputStream(new CipherInputStream(encData.getInputStream(), c2));
                
                if (encData instanceof SymmetricEncIntegrityPacket)
                {
                    truncStream = new TruncatedStream(encStream);
                    encStream = new DigestInputStream(truncStream, MessageDigest.getInstance(PGPUtil.getDigestName(HashAlgorithmTags.SHA1), provider));

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  public static void decryptFile(File encryptedFile, File decryptedFile, String password, String type) throws NoSuchAlgorithmException,
      NoSuchPaddingException {


    YProgressWindowRepeat y = new YProgressWindowRepeat(I18N.t("Entschlüssle " + encryptedFile.getName()), "unlock");


    CipherInputStream in = null;
    OutputStream out = null;
    try {
      // set basics
      Cipher cipher = Cipher.getInstance(type);
      SecretKey key = new SecretKeySpec(password.getBytes(), type);
      cipher.init(Cipher.DECRYPT_MODE, key);
      // do it
      in = new CipherInputStream(new FileInputStream(encryptedFile), cipher);
      out = new FileOutputStream(decryptedFile);
      byte[] byteBuffer = new byte[1024];
      for (int n; (n = in.read(byteBuffer)) != -1; out.write(byteBuffer, 0, n)) {
        ;
      }
      in.close();
      out.close();
      // new File(encryptedFile).delete();
    } catch (Throwable t) {
      YEx.warn("Can not decrypt File " + encryptedFile + " to " + decryptedFile, t);
    } finally {
      // close it
      try {
        if (in != null) {
          in.close();
        }
      } catch (IOException e) {
      }
      // close it
      try {

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                    int     iterationCount = dIn.readInt();
                
                    Cipher      cipher = makePBECipher(KEY_CIPHER, Cipher.DECRYPT_MODE, password, salt, iterationCount);


                    CipherInputStream cIn = new CipherInputStream(dIn, cipher);


                    try
                    {
                        return decodeKey(new DataInputStream(cIn));
                    }
                    catch (Exception x)
                    {
                        bIn = new ByteArrayInputStream((byte[])obj);
                        dIn = new DataInputStream(bIn);
            
                        salt = new byte[dIn.readInt()];


                        dIn.readFully(salt);


                        iterationCount = dIn.readInt();


                        cipher = makePBECipher("Broken" + KEY_CIPHER, Cipher.DECRYPT_MODE, password, salt, iterationCount);


                        cIn = new CipherInputStream(dIn, cipher);


                        Key k = null;


                        try
                        {
                            k = decodeKey(new DataInputStream(cIn));
                        }
                        catch (Exception y)
                        {
                            bIn = new ByteArrayInputStream((byte[])obj);
                            dIn = new DataInputStream(bIn);
                
                            salt = new byte[dIn.readInt()];


                            dIn.readFully(salt);


                            iterationCount = dIn.readInt();


                            cipher = makePBECipher("Old" + KEY_CIPHER, Cipher.DECRYPT_MODE, password, salt, iterationCount);


                            cIn = new CipherInputStream(dIn, cipher);


                            k = decodeKey(new DataInputStream(cIn));
                        }


                        //

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