public static KeyPair func_75891_b() {
try {
KeyPairGenerator keypairgenerator = KeyPairGenerator.getInstance("RSA");
keypairgenerator.initialize(1024);
return keypairgenerator.generateKeyPair();
} catch (NoSuchAlgorithmException nosuchalgorithmexception) {
nosuchalgorithmexception.printStackTrace();
}
System.err.println("Key pair generation failed!");
return null;
}
public static PublicKey func_75896_a(byte p_75896_0_[]) {
try {
X509EncodedKeySpec x509encodedkeyspec = new X509EncodedKeySpec(p_75896_0_);
KeyFactory keyfactory = KeyFactory.getInstance("RSA");
return keyfactory.generatePublic(x509encodedkeyspec);
} catch (NoSuchAlgorithmException nosuchalgorithmexception) {
nosuchalgorithmexception.printStackTrace();
} catch (InvalidKeySpecException invalidkeyspecexception) {
invalidkeyspecexception.printStackTrace();
}
System.err.println("Public key reconstitute failed!");
return null;
}
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;
}
private static byte[] func_75893_a(String p_75893_0_, byte p_75893_1_[][]) {
try {
MessageDigest messagedigest = MessageDigest.getInstance(p_75893_0_);
byte abyte0[][] = p_75893_1_;
int i = abyte0.length;
for (int j = 0; j < i; j++) {
byte abyte1[] = abyte0[j];
messagedigest.update(abyte1);
}
return messagedigest.digest();
} catch (NoSuchAlgorithmException nosuchalgorithmexception) {
nosuchalgorithmexception.printStackTrace();
}
return null;
}
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];
}
public boolean delete(String filename, UserToken token) {
try {
String remotePath;
if (filename.charAt(0) == '/') {
remotePath = filename.substring(1);
} else {
remotePath = filename;
}
Envelope env = new Envelope("DELETEF"); // Success
env.addObject(remotePath);
env.addObject(token);
String concat =
remotePath
+ token.toString()
+ "DELETEF"
+ nonce; // concatinates all of the objects in envelope
byte[] hasharray = concat.getBytes(); // turn the concat into a byte array
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(HMACkey);
mac.update(hasharray);
String stringhash =
new String(mac.doFinal(), "UTF8"); // turn the hash into a string for easy comparision!
env.addObject(stringhash);
env.addObject(nonce);
nonce++;
byte[] envBytes = Envelope.toByteArray(env);
// Encrypt envelope w/ AES
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, AESkey);
byte[] cipherBytes = cipher.doFinal(envBytes);
output.writeObject(cipherBytes);
byte[] responseCipherBytes = (byte[]) input.readObject();
// Decrypt response
cipher.init(Cipher.DECRYPT_MODE, AESkey);
byte[] responseBytes = cipher.doFinal(responseCipherBytes);
env = Envelope.getEnvelopefromBytes(responseBytes);
System.out.println(env.getMessage());
if ((Integer) env.getObjContents().get(1) == nonce) {
String hash = (String) env.getObjContents().get(0);
concat = env.getMessage() + nonce; // reconstructs the hash
hasharray = concat.getBytes();
mac = Mac.getInstance("HmacSHA1");
File HASHfile = new File("FHASHKey.bin");
FileInputStream fis = new FileInputStream(HASHfile);
ObjectInputStream ois = new ObjectInputStream(fis);
Key HMACkey = (Key) ois.readObject();
mac.init(HMACkey);
mac.update(hasharray);
String newhash = new String(mac.doFinal(), "UTF8");
nonce++;
if (hash.equals(newhash) != true) // check hashes for equality
{
System.out.println("HASH EQUALITY FAIL");
return false;
}
if (env.getMessage().compareTo("OK") == 0) {
System.out.printf("File %s deleted successfully\n", filename);
} else {
System.out.printf("Error deleting file %s (%s)\n", filename, env.getMessage());
return false;
}
}
} catch (IllegalBlockSizeException ex) {
ex.printStackTrace(System.err);
} catch (BadPaddingException ex) {
ex.printStackTrace(System.err);
} catch (InvalidKeyException ex) {
ex.printStackTrace(System.err);
} catch (NoSuchAlgorithmException ex) {
ex.printStackTrace(System.err);
} catch (NoSuchPaddingException ex) {
ex.printStackTrace(System.err);
} catch (IOException e1) {
e1.printStackTrace(System.err);
} catch (ClassNotFoundException e1) {
e1.printStackTrace(System.err);
}
return true;
}
public Object transformMessage(MuleMessage message, String outputEncoding)
throws TransformerException {
Arrays.fill(ivBytes, (byte) 0x00);
iv = new IvParameterSpec(ivBytes);
Object derivedKey = message.getInvocationProperty("derivedKey");
if (null == derivedKey) {
keyValue = Base64.decodeBase64(DEFAULT_KEY.getBytes());
} else {
keyValue = Base64.decodeBase64(derivedKey.toString().getBytes());
}
SecretKeySpec skeySpec = new SecretKeySpec(keyValue, "AES");
Cipher cipher = null;
try {
cipher = Cipher.getInstance(ALGO);
} catch (NoSuchAlgorithmException e1) {
e1.printStackTrace();
} catch (NoSuchPaddingException e1) {
e1.printStackTrace();
}
try {
cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
} catch (InvalidKeyException | InvalidAlgorithmParameterException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
byte[] original = null;
try {
// Object queryParm1 = message.getPayload().toString()); //"2zU3YSkvbamjrlE7WgBaKA==");
// Object queryParm1 = message.getInvocationProperty("1");
// HashMap queryParms = (HashMap)message.getInboundProperty("http.query.params");
// Object queryParm1 = queryParms.get("1");
Object queryParm1 = message.getInvocationProperty("encryptedPatientId");
if (queryParm1 != null) {
byte[] encString = Base64.decodeBase64(queryParm1.toString().getBytes());
original = cipher.doFinal(encString);
String clearText = "";
try {
clearText = new String(original, UNICODE_FORMAT).trim();
// message.setInvocationProperty("patientId", clearText);
message.setOutboundProperty("patientId", clearText);
} catch (UnsupportedEncodingException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
} catch (IllegalBlockSizeException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (BadPaddingException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
return message;
}
