List of usage examples for javax.crypto CipherInputStream CipherInputStream
public CipherInputStream(InputStream is, Cipher c)
From source file:models.logic.CipherDecipher.java
public static void encryptOrDecrypt(SecretKey key, int mode, InputStream is, OutputStream os) throws Throwable { Cipher cipher = Cipher.getInstance("AES"); if (mode == Cipher.ENCRYPT_MODE) { cipher.init(Cipher.ENCRYPT_MODE, key); CipherInputStream cis = new CipherInputStream(is, cipher); doCopy(cis, os);/* w w w. j a v a 2s .c o m*/ } else if (mode == Cipher.DECRYPT_MODE) { cipher.init(Cipher.DECRYPT_MODE, key); CipherOutputStream cos = new CipherOutputStream(os, cipher); doCopy(is, cos); } }
From source file:bobs.is.compress.sevenzip.AES256SHA256Decoder.java
@Override InputStream decode(final String archiveName, final InputStream in, final long uncompressedLength, final Coder coder, final byte[] passwordBytes) throws IOException { return new InputStream() { private boolean isInitialized = false; private CipherInputStream cipherInputStream = null; private CipherInputStream init() throws IOException { if (isInitialized) { return cipherInputStream; }//from ww w . j a v a 2 s . co m final int byte0 = 0xff & coder.properties[0]; final int numCyclesPower = byte0 & 0x3f; final int byte1 = 0xff & coder.properties[1]; final int ivSize = ((byte0 >> 6) & 1) + (byte1 & 0x0f); final int saltSize = ((byte0 >> 7) & 1) + (byte1 >> 4); if (2 + saltSize + ivSize > coder.properties.length) { throw new IOException("Salt size + IV size too long in " + archiveName); } final byte[] salt = new byte[saltSize]; System.arraycopy(coder.properties, 2, salt, 0, saltSize); final byte[] iv = new byte[16]; System.arraycopy(coder.properties, 2 + saltSize, iv, 0, ivSize); if (passwordBytes == null) { throw new PasswordRequiredException(archiveName); } final byte[] aesKeyBytes; if (numCyclesPower == 0x3f) { aesKeyBytes = new byte[32]; System.arraycopy(salt, 0, aesKeyBytes, 0, saltSize); System.arraycopy(passwordBytes, 0, aesKeyBytes, saltSize, Math.min(passwordBytes.length, aesKeyBytes.length - saltSize)); } else { final MessageDigest digest; try { digest = MessageDigest.getInstance("SHA-256"); } catch (final NoSuchAlgorithmException noSuchAlgorithmException) { throw new IOException("SHA-256 is unsupported by your Java implementation", noSuchAlgorithmException); } final byte[] extra = new byte[8]; for (long j = 0; j < (1L << numCyclesPower); j++) { digest.update(salt); digest.update(passwordBytes); digest.update(extra); for (int k = 0; k < extra.length; k++) { ++extra[k]; if (extra[k] != 0) { break; } } } aesKeyBytes = digest.digest(); } final SecretKey aesKey = new SecretKeySpec(aesKeyBytes, "AES"); try { final Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding"); cipher.init(Cipher.DECRYPT_MODE, aesKey, new IvParameterSpec(iv)); cipherInputStream = new CipherInputStream(in, cipher); isInitialized = true; return cipherInputStream; } catch (final GeneralSecurityException generalSecurityException) { throw new IOException("Decryption error " + "(do you have the JCE Unlimited Strength Jurisdiction Policy Files installed?)", generalSecurityException); } } @Override public int read() throws IOException { return init().read(); } @Override public int read(final byte[] b, final int off, final int len) throws IOException { return init().read(b, off, len); } @Override public void close() { } }; }
From source file:corner.util.crypto.Cryptor.java
/** * ?IO?.IO?,.// w w w.j a va 2 s .co m * @param inputFileName ????. * @param keyFile ??. * @return ?IO?. */ public static InputStream dencryptFileIO(String inputFileName, String keyFile) { if (keyFile == null) { try { return new FileInputStream(new File(inputFileName)); } 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) { throw new RuntimeException(e); } catch (IOException e) { throw new RuntimeException(e); } catch (ClassNotFoundException e) { throw new RuntimeException(e); } //keyCipher Cipher cipher = null; try { //, cipher = Cipher.getInstance("DES"); // ? cipher.init(Cipher.DECRYPT_MODE, key); } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e); } catch (NoSuchPaddingException e) { throw new RuntimeException(e); } catch (InvalidKeyException e) { throw new RuntimeException(e); } File file = new File(inputFileName); try { //? CipherInputStream in = new CipherInputStream(new BufferedInputStream(new FileInputStream(file)), cipher); return in; } catch (Exception e) { throw new RuntimeException(e); } }
From source file:hudson.console.AnnotatedLargeText.java
private ConsoleAnnotator createAnnotator(StaplerRequest req) throws IOException { try {//from w ww . j av a2s . com String base64 = req != null ? req.getHeader("X-ConsoleAnnotator") : null; if (base64 != null) { Cipher sym = PASSING_ANNOTATOR.decrypt(); ObjectInputStream ois = new ObjectInputStreamEx( new GZIPInputStream(new CipherInputStream( new ByteArrayInputStream(Base64.decode(base64.toCharArray())), sym)), Jenkins.getInstance().pluginManager.uberClassLoader); try { long timestamp = ois.readLong(); if (TimeUnit2.HOURS.toMillis(1) > abs(System.currentTimeMillis() - timestamp)) // don't deserialize something too old to prevent a replay attack return (ConsoleAnnotator) ois.readObject(); } finally { ois.close(); } } } catch (ClassNotFoundException e) { throw new IOException(e); } // start from scratch return ConsoleAnnotator.initial(context == null ? null : context.getClass()); }
From source file:at.tfr.securefs.xnio.MessageHandlerImpl.java
@Override public void handleMessage(String json, MessageSender messageSender) throws IOException { log.debug("handleMessage: " + json); final Message message = objectMapper.readValue(json, Message.class); Path path = configuration.getBasePath().resolve(message.getPath()); if (!path.relativize(configuration.getBasePath()).toString().equals("..")) { throw new SecurityException("invalid path spec: " + message.getPath()); }/*from w w w.j a v a2 s . c o m*/ try { final String uniqueKey = message.getUniqueKey(); // find the Channel for this data stream: StreamInfo<ChannelPipe<StreamSourceChannel, StreamSinkChannel>> info = activeStreams.getStreams() .get(uniqueKey); if (message.getType() == MessageType.OPEN && info != null) { log.warn("illegal state on Open stream: " + message); IoUtils.safeClose(info.getStream().getRightSide()); messageSender.send(new Message(MessageType.ERROR, message.getPath()).key(uniqueKey)); } switch (message.getType()) { case ERROR: log.info("error from Client: " + json); case CLOSE: { if (info != null) { IoUtils.safeClose(info.getStream().getRightSide()); } } break; case OPEN: { switch (message.getSubType()) { case READ: { final InputStream is = Files.newInputStream(path, StandardOpenOption.READ); final InputStream cis = new CipherInputStream(is, getCipher(message, Cipher.DECRYPT_MODE)); final ChannelPipe<StreamSourceChannel, StreamSinkChannel> pipe = xnioWorker .createHalfDuplexPipe(); pipe.getLeftSide().getReadSetter().set(new SecureChannelWriterBase(message) { @Override protected void write(Message message) { try { messageSender.send(message); } catch (Exception e) { log.warn("cannot write message=" + message + " : " + e, e); } } }); pipe.getLeftSide().getCloseSetter().set(new ChannelListener<StreamSourceChannel>() { @Override public void handleEvent(StreamSourceChannel channel) { activeStreams.getStreams().remove(uniqueKey); messageSender.send(new Message(MessageType.CLOSE, message.getPath()).key(uniqueKey)); } }); pipe.getRightSide().getWriteSetter().set(new ChannelListener<StreamSinkChannel>() { private byte[] bytes = new byte[Constants.BUFFER_SIZE]; @Override public void handleEvent(StreamSinkChannel channel) { try { int count = 0; while ((count = cis.read(bytes, 0, bytes.length)) > 0) { if (count > 0) { Channels.writeBlocking(pipe.getRightSide(), ByteBuffer.wrap(bytes, 0, count)); } if (count < 0) { pipe.getRightSide().close(); } else { channel.resumeWrites(); } } } catch (Exception e) { log.warn("cannot read from cypher: " + e, e); IoUtils.safeClose(channel); } } }); activeStreams.getStreams().put(uniqueKey, new StreamInfo<ChannelPipe<StreamSourceChannel, StreamSinkChannel>>(pipe, message.getPath())); // start sending data: pipe.getLeftSide().resumeReads(); pipe.getRightSide().resumeWrites(); } break; case WRITE: { Files.createDirectories(path.getParent()); OutputStream os = Files.newOutputStream(path, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE); OutputStream cos = new CipherOutputStream(os, getCipher(message, Cipher.ENCRYPT_MODE)); ChannelPipe<StreamSourceChannel, StreamSinkChannel> pipe = xnioWorker.createHalfDuplexPipe(); pipe.getLeftSide().getReadSetter().set(new SecureChannelReaderBase() { @Override public void handleEvent(StreamSourceChannel channel) { readChannel(message, cos, pipe, channel); } }); pipe.getLeftSide().getCloseSetter().set(new SecureChannelReaderBase() { @Override public void handleEvent(StreamSourceChannel channel) { try { cos.close(); activeStreams.getStreams().remove(pipe.toString()); messageSender .send(new Message(MessageType.CLOSE, message.getPath()).key(uniqueKey)); log.info("closed channel: " + pipe.toString()); } catch (IOException e) { log.warn("cannot close stream: message=" + message + " : " + e, e); } } }); activeStreams.getStreams().put(uniqueKey, new StreamInfo<ChannelPipe<StreamSourceChannel, StreamSinkChannel>>(pipe, message.getPath())); // start receiving data: pipe.getLeftSide().resumeReads(); } break; default: messageSender.send(new Message(MessageType.ERROR, message.getPath()).key(uniqueKey)); break; } } break; case DATA: { if (info != null) { Channels.writeBlocking(info.getStream().getRightSide(), ByteBuffer.wrap(message.getBytes())); } else { messageSender.send(new Message(MessageType.ERROR, message.getPath()).key(uniqueKey)); } } break; } } catch (IOException e) { log.warn("cannot handle message: " + message + " : " + e, e); throw e; } catch (Exception e) { log.warn("cannot handle message: " + message + " : " + e, e); throw new IOException("cannot handle message: " + message + " : " + e, e); } }
From source file:com.dc.util.file.FileSupport.java
private static void copyEncryptedStream(InputStream input, OutputStream output, String key) throws IOException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException { Cipher dcipher = Cipher.getInstance("AES"); CipherInputStream cis = null; try {//from w w w .j av a2s .co m dcipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key.getBytes(), "AES")); cis = new CipherInputStream(input, dcipher); byte[] buffer = new byte[1024]; int bytesRead; while ((bytesRead = cis.read(buffer)) != -1) { output.write(buffer, 0, bytesRead); } output.flush(); } finally { if (cis != null) { cis.close(); } } }
From source file:com.doplgangr.secrecy.FileSystem.File.java
public java.io.File readFile(CryptStateListener listener) { decrypting = true;//from w ww .ja va2s . c om InputStream is = null; OutputStream out = null; java.io.File outputFile = null; try { outputFile = java.io.File.createTempFile("tmp" + name, "." + FileType, storage.getTempFolder()); outputFile.mkdirs(); outputFile.createNewFile(); AES_Encryptor enc = new AES_Encryptor(key); is = new CipherInputStream(new FileInputStream(file), enc.decryptstream()); listener.setMax((int) file.length()); ReadableByteChannel inChannel = Channels.newChannel(is); FileChannel outChannel = new FileOutputStream(outputFile).getChannel(); ByteBuffer byteBuffer = ByteBuffer.allocate(Config.bufferSize); while (inChannel.read(byteBuffer) >= 0 || byteBuffer.position() > 0) { byteBuffer.flip(); outChannel.write(byteBuffer); byteBuffer.compact(); listener.updateProgress((int) outChannel.size()); } inChannel.close(); outChannel.close(); Util.log(outputFile.getName(), outputFile.length()); return outputFile; } catch (FileNotFoundException e) { listener.onFailed(2); Util.log("Encrypted File is missing", e.getMessage()); } catch (IOException e) { Util.log("IO Exception while decrypting", e.getMessage()); if (e.getMessage().contains("pad block corrupted")) listener.onFailed(1); else e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { listener.Finished(); decrypting = false; try { if (is != null) { is.close(); } if (out != null) { out.close(); } } catch (IOException e) { e.printStackTrace(); } } // An error occured. Too Bad if (outputFile != null) storage.purgeFile(outputFile); return null; }
From source file:org.nuclos.client.LocalUserCaches.java
LocalUserCaches() {
try {//w ww .j a va 2 s . com
InputStream in = null;
try {
if (bUseHashing && !LangUtils.equals(LocalUserProperties.getInstance().get(LOCALUSERCACHES_HASH),
getHash())) {
LOG.info("hash missmatch. skipping.");
} else {
if (bUseEncryption)
in = new BufferedInputStream(new CipherInputStream(
new FileInputStream(this.getCachesFile()), createCipher(Cipher.DECRYPT_MODE,
SecurityDelegate.getInstance().getCurrentApplicationInfoOnServer())));
else
in = new BufferedInputStream(new FileInputStream(this.getCachesFile()));
load(in);
// compare current version
if (!LangUtils.equals(
ApplicationProperties.getInstance().getCurrentVersion().getSchemaVersion(),
get(LOCALUSERCACHES_APP_VERSION))) {
LOG.info("version missmatch. skipping.");
clear();
}
}
} catch (FileNotFoundException ex) {
// The properties file doesn't exist. or other exception...
// So we start with empty or default values.
} catch (GeneralSecurityException ex) {
// other exception... just log and start with empty or default values.
LOG.warn("Lokale Caches konnten nicht geladen werden: " + ex.getMessage());
} catch (IllegalArgumentException ex) {
// other exception... just log and start with empty or default values.
LOG.warn("Lokale Caches konnten nicht geladen werden: " + ex.getMessage());
} catch (Exception ex) {
// other exception... just log and start with empty or default values.
LOG.error("Lokale Caches konnten nicht geladen werden: " + ex.getMessage(), ex);
} finally {
if (in != null) {
in.close();
}
}
} catch (IOException e) {
final String sMessage = "Lokale Caches konnten nicht geladen werden: " + e.getMessage();
throw new NuclosFatalException(sMessage, e);
}
INSTANCE = this;
}
From source file:de.marius_oe.cfs.cryption.Crypter.java
/** * Encrypts the given input stream and stores the encrypted data in the * destinationFile.//from w w w.ja va 2 s . com * * @param inStream * plain text stream * @param destinationStream * stream for the encrypted data * @param compressStream * whether the data should be compressed before encryption */ public static void encrypt(InputStream inStream, OutputStream destinationStream, boolean compressStream) { logger.debug("encrypting inputstream - compressed: {}", compressStream); InputStream tempInputStream; if (compressStream) { logger.debug("Compress InputStream."); tempInputStream = StreamUtils.zipStream(inStream); } else { tempInputStream = inStream; } Cipher cipher = getCipher(Cipher.ENCRYPT_MODE, null); logger.debug("Encrypt InputStream."); tempInputStream = new CipherInputStream(tempInputStream, cipher); try { // write iv to the beginning of the stream destinationStream.write((byte) cipher.getIV().length); destinationStream.write(cipher.getIV()); int bytesCopied = IOUtils.copy(tempInputStream, destinationStream); logger.debug("encryption done. copied {} encrypted bytes to the outputstream", bytesCopied); tempInputStream.close(); destinationStream.close(); } catch (IOException e) { logger.error("Encryption failed - Reason: {}", e.getLocalizedMessage()); throw new RuntimeException(e); } }
From source file:org.openmrs.module.clinicalsummary.io.UploadSummariesTask.java
/** * Method that will be called to process the summary collection file. The upload process will unpack the zipped collection of summary files and then * decrypt them./* www .j a v a2s .c o m*/ * * @throws Exception */ protected void processSummaries() throws Exception { String zipFilename = StringUtils.join(Arrays.asList(filename, TaskConstants.FILE_TYPE_ZIP), "."); String encryptedFilename = StringUtils.join(Arrays.asList(filename, TaskConstants.FILE_TYPE_ENCRYPTED), "."); File file = new File(TaskUtils.getZippedOutputPath(), zipFilename); OutputStream outStream = new BufferedOutputStream(new FileOutputStream(file)); ZipFile encryptedFile = new ZipFile(new File(TaskUtils.getEncryptedOutputPath(), encryptedFilename)); Enumeration<? extends ZipEntry> entries = encryptedFile.entries(); while (entries.hasMoreElements()) { ZipEntry zipEntry = entries.nextElement(); String zipEntryName = zipEntry.getName(); if (!zipEntryName.endsWith(TaskConstants.FILE_TYPE_SAMPLE) && !zipEntryName.endsWith(TaskConstants.FILE_TYPE_SECRET)) { int count; byte[] data = new byte[TaskConstants.BUFFER_SIZE]; CipherInputStream zipCipherInputStream = new CipherInputStream( encryptedFile.getInputStream(zipEntry), cipher); while ((count = zipCipherInputStream.read(data, 0, TaskConstants.BUFFER_SIZE)) != -1) { outStream.write(data, 0, count); } zipCipherInputStream.close(); } } outStream.close(); File outputPath = TaskUtils.getSummaryOutputPath(); ZipFile zipFile = new ZipFile(file); Enumeration<? extends ZipEntry> zipEntries = zipFile.entries(); while (zipEntries.hasMoreElements()) { ZipEntry zipEntry = zipEntries.nextElement(); processedFilename = zipEntry.getName(); File f = new File(outputPath, zipEntry.getName()); // ensure that the parent path exists File parent = f.getParentFile(); if (parent.exists() || parent.mkdirs()) { FileCopyUtils.copy(zipFile.getInputStream(zipEntry), new BufferedOutputStream(new FileOutputStream(f))); } } }