Example usage for java.security NoSuchAlgorithmException printStackTrace

Introduction

In this page you can find the example usage for java.security NoSuchAlgorithmException printStackTrace.

Prototype

public void printStackTrace() 

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:com.iterzp.momo.utils.RSAUtils.java

/**
 * ?//ww w. j a  v  a2 s.c  o m
 * 
 * @return 
 */
public static KeyPair generateKeyPair() {
    try {
        KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA", PROVIDER);
        keyPairGenerator.initialize(KEY_SIZE, new SecureRandom());
        return keyPairGenerator.generateKeyPair();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    }
}

---

From source file:com.networknt.light.util.HashUtil.java

public static String md5(String input) {

    String md5 = null;/*from  w w w. ja v  a  2 s. c  o m*/

    if (null == input)
        return null;

    try {

        //Create MessageDigest object for MD5
        MessageDigest digest = MessageDigest.getInstance("MD5");

        //Update input string in message digest
        digest.update(input.getBytes(), 0, input.length());

        //Converts message digest value in base 16 (hex)
        md5 = new BigInteger(1, digest.digest()).toString(16);

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return md5;
}

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From source file:de.taimos.dvalin.interconnect.model.MessageCryptoUtil.java

private static void generateKey() {
    try {/*from w w  w .  j a va  2 s  .c  om*/
        final KeyGenerator kgen = KeyGenerator.getInstance("AES");
        kgen.init(128);
        final SecretKey skey = kgen.generateKey();
        System.out.println("Key: " + Hex.encodeHexString(skey.getEncoded()));
    } catch (final NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
}

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From source file:com.drisoftie.cwdroid.util.CredentialUtils.java

public static byte[] generateKeyBytes() {
    byte[] keyBytes = null;
    try {/*  w  w w  .j a  v  a2 s . c  o  m*/
        keyBytes = generateKey().getEncoded();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return keyBytes;
}

---

From source file:Main.java

public static byte[] encrypt(byte[] byteArray, PrivateKey privateKey) {
    Cipher cipher = null;//from  w  w w  . j a  va2  s  . c om

    try {
        cipher = Cipher.getInstance("RSA/ECB/NoPadding");
        /*
           (define cipher (javax.crypto.Cipher.getInstance "RSA/ECB/NoPadding"))
         */
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    try {
        cipher.init(Cipher.ENCRYPT_MODE, privateKey);
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    }

    ByteArrayInputStream input = new ByteArrayInputStream(byteArray);
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    try {

        while (input.available() != 0) {
            byte[] t0 = new byte[100];
            input.read(t0);
            output.write(cipher.doFinal(t0));
        }
    } catch (IllegalBlockSizeException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (BadPaddingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return output.toByteArray();
}

---

From source file:aaf.vhr.crypto.GoogleAuthenticator.java

/**
 * Generate a random secret key. This must be saved by the server and associated with the
 * users account to verify the code displayed by Google Authenticator.
 * The user must register this secret on their device.
 * @return secret key/* ww w. j  av a2s .com*/
 */
public static String generateSecretKey() {
    try {
        SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
        Base32 codec = new Base32();

        byte[] buffer = new byte[10];
        sr.nextBytes(buffer);
        byte[] bEncodedKey = codec.encode(buffer);
        String encodedKey = new String(bEncodedKey);
        return encodedKey;
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        throw new RuntimeException(e.getMessage());
    }
}

---

From source file:Main.java

public static final String getOblyDevicesID(Context mContext) {

    String m_szImei = "";
    try {/*from   ww  w .  j  a  v a 2s. com*/
        TelephonyManager TelephonyMgr = null;
        TelephonyMgr = (TelephonyManager) mContext.getSystemService(Activity.TELEPHONY_SERVICE);
        m_szImei = TelephonyMgr.getDeviceId();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szDevIDShort = null;
    try {
        m_szDevIDShort = "35" + //we make this look like a valid IMEI

                Build.BOARD.length() % 10 + Build.BRAND.length() % 10 + Build.CPU_ABI.length() % 10
                + Build.DEVICE.length() % 10 + Build.DISPLAY.length() % 10 + Build.HOST.length() % 10
                + Build.ID.length() % 10 + Build.MANUFACTURER.length() % 10 + Build.MODEL.length() % 10
                + Build.PRODUCT.length() % 10 + Build.TAGS.length() % 10 + Build.TYPE.length() % 10
                + Build.USER.length() % 10; //13 digits
    } catch (Exception ex) {
        ex.printStackTrace();
    }

    String m_szAndroidID = "";
    try {
        m_szAndroidID = "";
        Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szWLANMAC = "";
    try {
        WifiManager wm = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
        m_szWLANMAC = wm.getConnectionInfo().getMacAddress();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szBTMAC = null;
    try {
        BluetoothAdapter m_BluetoothAdapter = null; // Local Bluetooth adapter
        m_BluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        m_szBTMAC = m_BluetoothAdapter.getAddress();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szLongID = m_szImei + m_szDevIDShort + m_szAndroidID + m_szWLANMAC + m_szBTMAC;
    // compute md5
    MessageDigest m = null;
    try {
        m = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    m.update(m_szLongID.getBytes(), 0, m_szLongID.length());
    // get md5 bytes
    byte p_md5Data[] = m.digest();
    // create a hex string
    String m_szUniqueID = new String();
    for (int i = 0; i < p_md5Data.length; i++) {
        int b = (0xFF & p_md5Data[i]);
        // if it is a single digit, make sure it have 0 in front (proper padding)
        if (b <= 0xF)
            m_szUniqueID += "0";
        // add number to string
        m_szUniqueID += Integer.toHexString(b);
    } // hex string to uppercase
    m_szUniqueID = m_szUniqueID.toUpperCase();

    return m_szUniqueID;
}

---

From source file:it.feio.android.omninotes.utils.ACRAPostSender.java

public static String md5(String s) {
    MessageDigest m = null;//  ww  w  . ja  v  a2  s  .  co m
    try {
        m = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    m.update(s.getBytes(), 0, s.length());
    String hash = new BigInteger(1, m.digest()).toString(16);
    return hash;
}

---

From source file:Main.java

public static byte[] decrypt(byte[] byteArray, PublicKey publicKey) {
    Cipher cipher = null;// w  w w. j av a  2s. c om

    try {
        cipher = Cipher.getInstance("RSA/ECB/NoPadding");
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    try {

        cipher.init(Cipher.DECRYPT_MODE, publicKey);

    } catch (InvalidKeyException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    ByteArrayInputStream input = new ByteArrayInputStream(byteArray);
    ByteArrayOutputStream output = new ByteArrayOutputStream();

    try {

        while (input.available() != 0) {
            byte[] t0 = new byte[128];
            input.read(t0);
            output.write(cipher.doFinal(t0));
        }

    } catch (IllegalBlockSizeException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (BadPaddingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return output.toByteArray();
}

---

From source file:com.drisoftie.cwdroid.util.CredentialUtils.java

public static String md5(final String s) {
    try {/*from ww w .j a va 2  s  .c om*/
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance(MD5);
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuilder hexString = new StringBuilder();
        for (byte aMessageDigest : messageDigest) {
            String h = Integer.toHexString(0xFF & aMessageDigest);
            while (h.length() < 2) {
                h = "0" + h;
            }
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

---

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