public static final void main(String[] args) throws Exception {
// Generate a PBE key
SecretKeyFactory skFac = SecretKeyFactory.getInstance("PBE");
SecretKey skey = skFac.generateSecret(new PBEKeySpec("test123".toCharArray()));
// Initialize the PBE cipher
Cipher cipher = Cipher.getInstance(ALGO);
cipher.init(Cipher.ENCRYPT_MODE, skey);
// Permit access to the Cipher.spi field (a CipherSpi object)
Field spi = Cipher.class.getDeclaredField("spi");
spi.setAccessible(true);
Object value = spi.get(cipher);
// Permit access to the CipherSpi.engineGetKeySize method
Method engineGetKeySize =
PKCS12PBECipherCore$PBEWithSHA1AndDESede.class.getDeclaredMethod(
"engineGetKeySize", Key.class);
engineGetKeySize.setAccessible(true);
// Check the key size
int keySize = (int) engineGetKeySize.invoke(value, skey);
if (keySize == KEYSIZE) {
System.out.println(ALGO + ".engineGetKeySize returns " + keySize + " bits, as expected");
System.out.println("OK");
} else {
throw new Exception("ERROR: " + ALGO + " key size is incorrect");
}
}
/**
* @param s
* @return
* @throws GeneralSecurityException
* @throws UnsupportedEncodingException
*/
public static String decrypt(final String s)
throws GeneralSecurityException, UnsupportedEncodingException {
String decrypted = null;
try {
if (s != null) {
final SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
final SecretKey secretKey =
secretKeyFactory.generateSecret(new PBEKeySpec(secret.toCharArray()));
final Cipher cipher = Cipher.getInstance("PBEWithMD5AndDES");
cipher.init(Cipher.DECRYPT_MODE, secretKey, new PBEParameterSpec(SALT, 20));
final byte[] stringBytes = s.getBytes("UTF-8");
final byte[] decodedBytes = Base64.decode(stringBytes, Base64.DEFAULT);
final byte[] decryptedBytes = cipher.doFinal(decodedBytes);
decrypted = new String(decryptedBytes, "UTF-8");
}
} catch (GeneralSecurityException x) {
throw x;
} catch (UnsupportedEncodingException x) {
throw x;
} catch (Exception x) {
DBG.m(x);
}
return decrypted;
}
private static void runTest(boolean isUnlimited) throws Exception {
System.out.println("Testing " + (isUnlimited ? "un" : "") + "limited policy...");
String algo = "Blowfish";
int keyLength = Cipher.getMaxAllowedKeyLength(algo);
AlgorithmParameterSpec spec = Cipher.getMaxAllowedParameterSpec(algo);
if (isUnlimited) {
if ((keyLength != Integer.MAX_VALUE) || (spec != null)) {
throw new Exception("Check for " + algo + " failed under unlimited policy");
}
} else {
if ((keyLength != 128) || (spec != null)) {
throw new Exception("Check for " + algo + " failed under default policy");
}
}
algo = "RC5";
keyLength = Cipher.getMaxAllowedKeyLength(algo);
RC5ParameterSpec rc5param = (RC5ParameterSpec) Cipher.getMaxAllowedParameterSpec(algo);
if (isUnlimited) {
if ((keyLength != Integer.MAX_VALUE) || (rc5param != null)) {
throw new Exception("Check for " + algo + " failed under unlimited policy");
}
} else {
if ((keyLength != 128)
|| (rc5param.getRounds() != 12)
|| (rc5param.getVersion() != Integer.MAX_VALUE)
|| (rc5param.getWordSize() != Integer.MAX_VALUE)) {
throw new Exception("Check for " + algo + " failed under default policy");
}
}
System.out.println("All tests passed");
}
/*
* Encrypt private key using Password-based encryption (PBE)
* as defined in PKCS#5.
*
* NOTE: Currently pbeWithSHAAnd3-KeyTripleDES-CBC algorithmID is
* used to derive the key and IV.
*
* @return encrypted private key encoded as EncryptedPrivateKeyInfo
*/
private byte[] encryptPrivateKey(byte[] data, char[] password)
throws IOException, NoSuchAlgorithmException, UnrecoverableKeyException {
byte[] key = null;
try {
// create AlgorithmParameters
AlgorithmParameters algParams = getAlgorithmParameters("PBEWithSHA1AndDESede");
// Use JCE
SecretKey skey = getPBEKey(password);
Cipher cipher = Cipher.getInstance("PBEWithSHA1AndDESede");
cipher.init(Cipher.ENCRYPT_MODE, skey, algParams);
byte[] encryptedKey = cipher.doFinal(data);
// wrap encrypted private key in EncryptedPrivateKeyInfo
// as defined in PKCS#8
AlgorithmId algid = new AlgorithmId(pbeWithSHAAnd3KeyTripleDESCBC_OID, algParams);
EncryptedPrivateKeyInfo encrInfo = new EncryptedPrivateKeyInfo(algid, encryptedKey);
key = encrInfo.getEncoded();
} catch (Exception e) {
UnrecoverableKeyException uke =
new UnrecoverableKeyException("Encrypt Private Key failed: " + e.getMessage());
uke.initCause(e);
throw uke;
}
return key;
}
public void run() {
try {
ObjectInputStream ois = new ObjectInputStream(s.getInputStream());
ObjectOutputStream oos = new ObjectOutputStream(s.getOutputStream());
BigInteger bg = dhSpec.getG();
BigInteger bp = dhSpec.getP();
oos.writeObject(bg);
oos.writeObject(bp);
KeyPairGenerator kpg = KeyPairGenerator.getInstance("DH");
kpg.initialize(1024);
KeyPair kpa = (KeyPair) ois.readObject();
KeyAgreement dh = KeyAgreement.getInstance("DH");
KeyPair kp = kpg.generateKeyPair();
oos.writeObject(kp);
dh.init(kp.getPrivate());
Key pk = dh.doPhase(kpa.getPublic(), true);
MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
byte[] rawbits = sha256.digest(dh.generateSecret());
Cipher c = Cipher.getInstance(CIPHER_MODE);
SecretKey key = new SecretKeySpec(rawbits, 0, 16, "AES");
byte ivbits[] = (byte[]) ois.readObject();
IvParameterSpec iv = new IvParameterSpec(ivbits);
c.init(Cipher.DECRYPT_MODE, key, iv);
Mac m = Mac.getInstance("HmacSHA1");
SecretKey mackey = new SecretKeySpec(rawbits, 16, 16, "HmacSHA1");
m.init(mackey);
byte ciphertext[], cleartext[], mac[];
try {
while (true) {
ciphertext = (byte[]) ois.readObject();
mac = (byte[]) ois.readObject();
if (Arrays.equals(mac, m.doFinal(ciphertext))) {
cleartext = c.update(ciphertext);
System.out.println(ct + " : " + new String(cleartext, "UTF-8"));
} else {
// System.exit(1);
System.out.println(ct + "error");
}
}
} catch (EOFException e) {
cleartext = c.doFinal();
System.out.println(ct + " : " + new String(cleartext, "UTF-8"));
System.out.println("[" + ct + "]");
} finally {
if (ois != null) ois.close();
if (oos != null) oos.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 指定密钥构造方法
*
* @param strKey 指定的密钥
* @throws Exception
*/
public DESPlus(String strKey) throws Exception {
Security.addProvider(new com.sun.crypto.provider.SunJCE());
Key key = getKey(strKey.getBytes());
encryptCipher = Cipher.getInstance("DES");
encryptCipher.init(Cipher.ENCRYPT_MODE, key);
decryptCipher = Cipher.getInstance("DES");
decryptCipher.init(Cipher.DECRYPT_MODE, key);
}
public byte[] decrypt(final byte[] toDecrypt) {
try {
final Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
cipher.init(Cipher.DECRYPT_MODE, skey, sRand);
return cipher.doFinal(toDecrypt);
} catch (final Exception e) {
throw new RuntimeException(e);
}
}
public static byte[] encode(String paramString, byte[] paramArrayOfByte) {
SecretKeySpec localSecretKeySpec = new SecretKeySpec(paramArrayOfByte, "AES");
try {
byte[] arrayOfByte1 = paramString.getBytes();
Cipher localCipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
localCipher.init(Cipher.ENCRYPT_MODE, localSecretKeySpec);
byte[] arrayOfByte2 = localCipher.doFinal(arrayOfByte1);
return arrayOfByte2;
} catch (Exception localException) {
}
return null;
}
public static void main(String[] args) throws Exception {
// decide if the installed jurisdiction policy file is the
// unlimited version
boolean isUnlimited = true;
Cipher c = Cipher.getInstance("AES", "SunJCE");
try {
c.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(new byte[24], "AES"));
} catch (InvalidKeyException ike) {
isUnlimited = false;
}
runTest(isUnlimited);
}
public static byte[] decode(byte[] paramArrayOfByte1, byte[] paramArrayOfByte2) {
SecretKeySpec localSecretKeySpec = new SecretKeySpec(paramArrayOfByte2, "AES");
try {
Cipher localCipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
localCipher.init(Cipher.DECRYPT_MODE, localSecretKeySpec);
byte[] arrayOfByte = localCipher.doFinal(paramArrayOfByte1);
return arrayOfByte;
} catch (Exception localException) {
localException.printStackTrace();
}
return null;
}
/**
* Reads the raw data from the input File, encrypts and saves its contents to the output File, and
* then save the raw data of the SecretKey used to the SecretKey File.
*
* @param input the File to be read and encrypted
* @param output the File the encrypted data will be saved to
* @param keyFile the File the SecretKey data will be saved to
* @throws InvalidKeyException if the given key is inappropriate for initializing this cipher, or
* if this cipher is being initialized for decryption and requires algorithm parameters that
* cannot be determined from the given key, or if the given key has a keysize that exceeds the
* maximum allowable keysize (as determined from the configured jurisdiction policy files).
* @throws IOException if any of the files do not exist, are a directory rather than a regular
* file, or for some other reason cannot be opened for reading or if an I/O error occurs.
* @throws IllegalBlockSizeException if the cipher is a block cipher, no padding has been
* requested (only in encryption mode), and the total input length of the data processed by
* this cipher is not a multiple of block size; or if this encryption algorithm is unable to
* process the input data provided.
* @throws BadPaddingException if the cipher is in decryption mode, and (un)padding has been
* requested, but the decrypted data is not bounded by the appropriate padding bytes
*/
public void encrypt(File input, File output, File keyFile)
throws InvalidKeyException, IOException, IllegalBlockSizeException, BadPaddingException {
if (debug) {
System.out.println("Initializing encryption...");
}
cipher.init(Cipher.ENCRYPT_MODE, key);
FileInputStream fis = null;
try {
fis = new FileInputStream(input);
data = new byte[(int) input.length()];
if (debug) {
System.out.println("Reading data...");
}
fis.read(data);
} finally {
if (fis != null) {
fis.close();
}
}
if (debug) {
System.out.println("Encrypting data...");
}
data = cipher.doFinal(data);
FileOutputStream fos = null;
try {
fos = new FileOutputStream(output);
if (debug) {
System.out.println("Saving data...");
}
fos.write(data);
} finally {
if (fos != null) {
fos.close();
}
}
if (debug) {
System.out.println("Saving key...");
}
data = key.getEncoded();
fos = null;
try {
fos = new FileOutputStream(keyFile);
fos.write(data);
} finally {
if (fos != null) {
fos.close();
}
}
if (debug) {
System.out.println("Encryption complete!");
}
data = null;
}
// <editor-fold desc="Class Constructor" defaultstate="collapsed">
public AES256Encrypt(char[] plaintext, char[] key)
throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException,
IllegalBlockSizeException, BadPaddingException, InvalidKeySpecException {
// We have to convert the real key into a hash that can fit into the AES algorithm.
hash = new SHA256Hash(key);
secretKey = new SecretKeySpec(hash.getHash().getEncoded(), encryptionAlgorithm);
// Creating the actual cipher
cipher = Cipher.getInstance(encryptionAlgorithm);
cipher.init(Cipher.ENCRYPT_MODE, secretKey);
encryptedCipher = cipher.doFinal(new String(plaintext).getBytes());
}
public Encrypter() {
try {
SecretKey key = KeyGenerator.getInstance("DES").generateKey();
ecipher = Cipher.getInstance("DES");
dcipher = Cipher.getInstance("DES");
ecipher.init(Cipher.ENCRYPT_MODE, key);
dcipher.init(Cipher.DECRYPT_MODE, key);
} catch (javax.crypto.NoSuchPaddingException e) {
} catch (java.security.NoSuchAlgorithmException e) {
} catch (java.security.InvalidKeyException e) {
}
}
public static String encodeWithBase64(String paramString) {
SecretKeySpec localSecretKeySpec = new SecretKeySpec(BaseSecretKey, "AES");
try {
byte[] arrayOfByte = paramString.getBytes();
Cipher localCipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
localCipher.init(Cipher.ENCRYPT_MODE, localSecretKeySpec);
// String str = Base64.encodeBase64String(localCipher.doFinal(arrayOfByte));
String str = new String(Base64.encode(localCipher.doFinal(arrayOfByte), Base64.DEFAULT));
return str;
} catch (Exception localException) {
}
return null;
}
/**
* Decrypts the given input data.
*
* @param in data to decrypt
* @param k secret key
* @param a encryption algorithm
* @param ivl initialization vector length
* @return decrypted data
* @throws NoSuchAlgorithmException ex
* @throws NoSuchPaddingException ex
* @throws InvalidKeyException ex
* @throws InvalidAlgorithmParameterException ex
* @throws IllegalBlockSizeException ex
* @throws BadPaddingException ex
*/
private static byte[] decrypt(final byte[] in, final byte[] k, final byte[] a, final int ivl)
throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException,
InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException {
final SecretKeySpec keySpec = new SecretKeySpec(k, string(a));
final Cipher cipher = Cipher.getInstance(string(ALGN.get(lc(a))));
// extract iv from message beginning
final byte[] iv = substring(in, 0, ivl);
final IvParameterSpec ivspec = new IvParameterSpec(iv);
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivspec);
return cipher.doFinal(substring(in, ivl, in.length));
}
private static Cipher func_75886_a(int p_75886_0_, String p_75886_1_, Key p_75886_2_) {
try {
Cipher cipher = Cipher.getInstance(p_75886_1_);
cipher.init(p_75886_0_, p_75886_2_);
return cipher;
} catch (InvalidKeyException invalidkeyexception) {
invalidkeyexception.printStackTrace();
} catch (NoSuchAlgorithmException nosuchalgorithmexception) {
nosuchalgorithmexception.printStackTrace();
} catch (NoSuchPaddingException nosuchpaddingexception) {
nosuchpaddingexception.printStackTrace();
}
System.err.println("Cipher creation failed!");
return null;
}
public static byte[] decode64(byte[] paramArrayOfByte) {
SecretKeySpec localSecretKeySpec = new SecretKeySpec(BaseSecretKey, "AES");
try {
// byte[] arrayOfByte1 = Base64.decodeBase64(paramArrayOfByte);
byte[] arrayOfByte1 = Base64.decode(paramArrayOfByte, Base64.DEFAULT);
Cipher localCipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
localCipher.init(Cipher.DECRYPT_MODE, localSecretKeySpec);
byte[] arrayOfByte2 = localCipher.doFinal(arrayOfByte1);
return arrayOfByte2;
} catch (Exception localException) {
localException.printStackTrace();
}
return null;
}
void initCipher() {
try {
b64Decoder = new BASE64Decoder();
b64Encoder = new BASE64Encoder();
Provider sunJce = new com.sun.crypto.provider.SunJCE();
Security.addProvider(sunJce);
byte[] raw = b64Decoder.decodeBuffer(key);
SecretKeySpec skeySpec = new SecretKeySpec(raw, "Blowfish");
deCipher = Cipher.getInstance("Blowfish");
deCipher.init(Cipher.DECRYPT_MODE, skeySpec);
enCipher = Cipher.getInstance("Blowfish");
enCipher.init(Cipher.ENCRYPT_MODE, skeySpec);
} catch (Exception ex) {
textPane.setText("Unable to create the cipher");
}
}
/**
* Extract the enclosed PKCS8EncodedKeySpec object from the encrypted data and return it.
*
* @return the PKCS8EncodedKeySpec object.
* @exception InvalidKeySpecException if the given cipher is inappropriate for the encrypted data
* or the encrypted data is corrupted and cannot be decrypted.
*/
public PKCS8EncodedKeySpec getKeySpec(Cipher c) throws InvalidKeySpecException {
try {
return new PKCS8EncodedKeySpec(c.doFinal(this.getEncryptedData()));
} catch (Exception e) {
throw new InvalidKeySpecException("can't get keySpec: " + e.toString());
}
}
public static byte[] encryptData(Key key, byte[] toEncrypt) {
try {
Cipher cipher = Cipher.getInstance(key.getAlgorithm());
cipher.init(Cipher.ENCRYPT_MODE, key);
return cipher.doFinal(toEncrypt);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
}
return new byte[0];
}
private String decrypt(String s) {
try {
byte[] encrypted = b64Decoder.decodeBuffer(s);
byte[] decrypted = deCipher.doFinal(encrypted);
return new String(decrypted);
} catch (Exception ex) {
return "error";
}
}
public String decrypt(String str) {
try {
return new String(cipherDecrypt.doFinal(StringUtils.hex2byte(str)), "UTF8");
} catch (UnsupportedEncodingException e) {
} catch (BadPaddingException e) {
} catch (IllegalBlockSizeException e) {
}
return null;
}
public String encrypt(String str) {
try {
return StringUtils.byte2hex(cipherEncrypt.doFinal(str.getBytes("UTF8")));
} catch (UnsupportedEncodingException e) {
} catch (BadPaddingException e) {
} catch (IllegalBlockSizeException e) {
}
return null;
}
/**
* 加密字节数组
*
* @param arrB 需加密的字节数组
* @return 加密后的字节数组
* @throws Exception
*/
public byte[] encrypt(byte[] arrB) {
try {
return encryptCipher.doFinal(arrB);
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
}
return arrB;
}
@SuppressWarnings("restriction")
public String getencrypt(String p) throws Exception {
String encrypted = "";
try {
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128, new SecureRandom(KEY.getBytes()));
SecretKey skey = kgen.generateKey();
byte[] raw = skey.getEncoded();
SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
byte[] encrypt = cipher.doFinal(p.getBytes());
encrypted = new BASE64Encoder().encodeBuffer(encrypt).trim();
// System.out.println("encrypted="+encrypted);
} // try
catch (Exception e) {
System.out.println(e);
}
return encrypted; // return 密文
}
/**
* Encrypts the given input data.
*
* @param in input data to encrypt
* @param k key
* @param a encryption algorithm
* @param ivl initialization vector length
* @return encrypted input data
* @throws InvalidKeyException ex
* @throws InvalidAlgorithmParameterException ex
* @throws NoSuchAlgorithmException ex
* @throws NoSuchPaddingException ex
* @throws IllegalBlockSizeException ex
* @throws BadPaddingException ex
*/
private static byte[] encrypt(final byte[] in, final byte[] k, final byte[] a, final int ivl)
throws InvalidKeyException, InvalidAlgorithmParameterException, NoSuchAlgorithmException,
NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException {
final Cipher cipher = Cipher.getInstance(string(ALGN.get(lc(a))));
final SecretKeySpec kspec = new SecretKeySpec(k, string(a));
// generate random iv. random iv is necessary to make the encryption of a
// string look different every time it is encrypted.
final byte[] iv = new byte[ivl];
// create new random iv if encrypting
final SecureRandom rand = SecureRandom.getInstance("SHA1PRNG");
rand.nextBytes(iv);
final IvParameterSpec ivspec = new IvParameterSpec(iv);
// encrypt/decrypt
cipher.init(Cipher.ENCRYPT_MODE, kspec, ivspec);
final byte[] t = cipher.doFinal(in);
// initialization vector is appended to the message for later decryption
return concat(iv, t);
}
/** Creates a new instance of Encrypter */
public AltEncrypter(String passPhrase) {
try {
SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
sr.setSeed(passPhrase.getBytes("UTF8"));
KeyGenerator kGen = KeyGenerator.getInstance("DESEDE");
kGen.init(168, sr);
Key key = kGen.generateKey();
cipherEncrypt = Cipher.getInstance("DESEDE/ECB/PKCS5Padding");
cipherEncrypt.init(Cipher.ENCRYPT_MODE, key);
cipherDecrypt = Cipher.getInstance("DESEDE/ECB/PKCS5Padding");
cipherDecrypt.init(Cipher.DECRYPT_MODE, key);
} catch (UnsupportedEncodingException e) {
} catch (NoSuchPaddingException e) {
} catch (NoSuchAlgorithmException e) {
} catch (InvalidKeyException e) {
}
}
public String get_K() {
if (rsa_key.length() < 2) return null;
Cipher localCipher;
byte[] arrayOfByte = null;
PublicKey localPublicKey;
try {
// byte[] b = Base64.decode(rsa_key);
byte[] b = Base64.decode(rsa_key, Base64.DEFAULT);
X509EncodedKeySpec sp = new X509EncodedKeySpec(b);
localPublicKey = KeyFactory.getInstance("RSA").generatePublic(sp);
localCipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
localCipher.init(Cipher.ENCRYPT_MODE, localPublicKey);
arrayOfByte = localCipher.doFinal(aes_key.getBytes("utf-8"));
} catch (Exception e) {
// e.printStackTrace();
return null;
}
// return new String(Base64.encode(arrayOfByte));
return new String(Base64.encode(arrayOfByte, Base64.DEFAULT));
}
public String getdecrypt(String base64) throws Exception {
String decrypted = "";
try {
@SuppressWarnings("restriction")
byte[] b = new BASE64Decoder().decodeBuffer(base64);
KeyGenerator kgen2 = KeyGenerator.getInstance("AES");
kgen2.init(128, new SecureRandom(KEY.getBytes()));
SecretKey skey2 = kgen2.generateKey();
byte[] raw2 = skey2.getEncoded();
SecretKeySpec skeySpec2 = new SecretKeySpec(raw2, "AES");
Cipher cipher2 = Cipher.getInstance("AES");
cipher2.init(Cipher.DECRYPT_MODE, skeySpec2);
byte[] decrypt = cipher2.doFinal(b);
decrypted = new String(decrypt);
// System.out.println("decrypted="+decrypted);
} catch (Exception e) {
System.out.println(e);
}
return decrypted;
}
/**
* Uses a cipher to transform the bytes in an input stream and sends the transformed bytes to an
* output stream.
*
* @param in the input stream
* @param out the output stream
* @param cipher the cipher that transforms the bytes
*/
public static void crypt(InputStream in, OutputStream out, Cipher cipher)
throws IOException, GeneralSecurityException {
int blockSize = cipher.getBlockSize();
int outputSize = cipher.getOutputSize(blockSize);
byte[] inBytes = new byte[blockSize];
byte[] outBytes = new byte[outputSize];
int inLength = 0;
;
boolean more = true;
while (more) {
inLength = in.read(inBytes);
if (inLength == blockSize) {
int outLength = cipher.update(inBytes, 0, blockSize, outBytes);
out.write(outBytes, 0, outLength);
} else more = false;
}
if (inLength > 0) outBytes = cipher.doFinal(inBytes, 0, inLength);
else outBytes = cipher.doFinal();
out.write(outBytes);
}