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:Main.java

public static String getApkSignatureMD5String(Signature signature) {
    MessageDigest md;/* ww w.j av  a  2  s  .c o m*/
    try {
        md = MessageDigest.getInstance("MD5");

        md.update(signature.toByteArray());

        byte[] digest = md.digest();

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

From source file:com.algodefu.yeti.md5.MD5HashGenerator.java

public static String generateKeyByString(String string) {
    MessageDigest m = null;//from ww w.j av a2 s.  c  o m
    try {
        m = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    m.reset();
    m.update(string.getBytes());
    byte[] digest = m.digest();
    BigInteger bigInt = new BigInteger(1, digest);
    String hashtext = bigInt.toString(16);
    while (hashtext.length() < 32) {
        hashtext = "0" + hashtext;
    }
    return hashtext;
}

From source file:Main.java

@SuppressWarnings("finally")
public static String getMD5(String str) {
    StringBuffer strBuf = new StringBuffer();
    try {/*from  w w  w . ja va2  s.co  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes());
        byte[] result16 = md.digest();
        char[] digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
        for (int i = 0; i < result16.length; i++) {
            char[] c = new char[2];
            c[0] = digit[result16[i] >>> 4 & 0x0f];
            c[1] = digit[result16[i] & 0x0f];
            strBuf.append(c);
        }
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } finally {
        return strBuf.toString();
    }
}

From source file:com.algodefu.yeti.md5.MD5HashGenerator.java

public static String generateKeyByObject(Object object) {
    MessageDigest m = null;/*from  w  ww  .  j ava 2 s  .  c  om*/
    try {
        m = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    m.reset();
    //m.update(objectToByteArray(object));
    m.update(SerializationUtils.serialize((Serializable) object));
    byte[] digest = m.digest();
    BigInteger bigInt = new BigInteger(1, digest);
    String hashtext = bigInt.toString(16);
    while (hashtext.length() < 32) {
        hashtext = "0" + hashtext;
    }
    return hashtext;
}

From source file:Main.java

/**
 *Valid plugin  md5/*  w  ww. j  av a 2s  .c o m*/
 * @param path   bundle archvie path
 * @param md5Sum   target  file md5
 * @return  if md5 matched,return true
 * ***/
public static boolean validFileMD5(String path, String md5Sum) {

    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        File mFile = new File(path);
        if (mFile == null || !mFile.exists() || !mFile.isFile()) {
            return false;
        }
        FileInputStream in = new FileInputStream(mFile);
        FileChannel ch = in.getChannel();
        MappedByteBuffer byteBuffer = ch.map(FileChannel.MapMode.READ_ONLY, 0, mFile.length());
        messageDigest.update(byteBuffer);
        String digest = String.format("%032x", new BigInteger(1, messageDigest.digest()));
        return md5Sum.equals(digest.toString());
    } catch (NoSuchAlgorithmException e) {

        e.printStackTrace();
    } catch (FileNotFoundException e) {

        e.printStackTrace();
    } catch (IOException e) {

    }
    return false;
}

From source file:Main.java

public static String getBytesMacEncrypt(byte[] bytes, SecretKey key) {
    String algorithm = key.getAlgorithm();
    if (algorithm.equals(HmacMD5) || algorithm.equals(HmacSHA1) || algorithm.equals(HmacSHA256)
            || algorithm.equals(HmacSHA384) || algorithm.equals(HmacSHA512)) {
        Mac mac = null;//from w w w . ja va  2  s. c om
        try {
            mac = Mac.getInstance(algorithm);
            mac.init(key);
            return bytes2String(mac.doFinal(bytes));
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (InvalidKeyException e) {
            e.printStackTrace();
        }
    }
    return null;
}

From source file:Main.java

public static String md5s(String plainText) {
    String str = "";
    try {/*from ww w. j av  a 2  s.c om*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(plainText.getBytes());
        byte b[] = md.digest();
        int i;
        StringBuffer buf = new StringBuffer("");
        for (int offset = 0; offset < b.length; offset++) {
            i = b[offset];
            if (i < 0)
                i += 256;
            if (i < 16)
                buf.append("0");
            buf.append(Integer.toHexString(i));
        }
        str = buf.toString();

    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block   
        e.printStackTrace();
    }
    return str;
}

From source file:org.sunriseframework.util.Hash.java

public static String generateHash(byte[] input, String algorithm) {
    MessageDigest algo;/* w  w  w .  j a v a 2 s .  c o m*/
    String passwordHash = null;
    try {
        algo = MessageDigest.getInstance(algorithm); //MD5, SHA-1
        algo.reset();
        algo.update(input);
        Base64 encoder = new Base64();
        passwordHash = new String(encoder.encode(algo.digest()));
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return passwordHash;

}

From source file:Main.java

public static PublicKey getPublicKey(String n, String publicExponent) {
    KeySpec publicKeySpec = new RSAPublicKeySpec(new BigInteger(n, 16), new BigInteger(publicExponent, 16));

    KeyFactory factory = null;/*from ww w.j  av  a 2s.c  o m*/
    PublicKey publicKey = null;
    try {
        factory = KeyFactory.getInstance(KEY_ALGORITHM);
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }

    try {
        publicKey = factory.generatePublic(publicKeySpec);
    } catch (InvalidKeySpecException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }

    return publicKey;
}

From source file:com.tydic.dbp.utils.ThreeDesUtils.java

public static String encryptMode(String Src) {
    try {//from  w ww .j  av  a2s .  c  om
        // ?
        SecretKey deskey = new SecretKeySpec(keyBytes, Algorithm);
        // 
        Cipher c1 = Cipher.getInstance(Algorithm);
        c1.init(Cipher.ENCRYPT_MODE, deskey);
        return Hex.encodeHexString(c1.doFinal(Src.getBytes()));
    } catch (java.security.NoSuchAlgorithmException e1) {
        e1.printStackTrace();
    } catch (javax.crypto.NoSuchPaddingException e2) {
        e2.printStackTrace();
    } catch (java.lang.Exception e3) {
        e3.printStackTrace();
    }
    return null;
}