Example usage for java.security MessageDigest digest

Introduction

In this page you can find the example usage for java.security MessageDigest digest.

Prototype

public byte[] digest()

Source Link

Document

Completes the hash computation by performing final operations such as padding.

Usage

From source file:Main.java

public static byte[] generateRequestToken(byte[] countryCode, byte[] phoneNumber)
        throws NoSuchAlgorithmException {

    String signature = "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";
    String classesMd5 = "P3b9TfNFCkkzPoVzZnm+BA=="; // 2.11.395 [*]

    byte[] key2 = Base64.decode(
            "/UIGKU1FVQa+ATM2A0za7G2KI9S/CwPYjgAbc67v7ep42eO/WeTLx1lb1cHwxpsEgF4+PmYpLd2YpGUdX/A2JQitsHzDwgcdBpUf7psX1BU=",
            Base64.DEFAULT);/*from   w  w w . jav a  2 s . c  o m*/

    byte[] data = concat(
            concat(Base64.decode(signature, Base64.DEFAULT), Base64.decode(classesMd5, Base64.DEFAULT)),
            phoneNumber);

    byte[] opad = new byte[64];
    byte[] ipad = new byte[64];
    for (int i = 0; i < opad.length; i++) {
        opad[i] = 0x5C;
        ipad[i] = 0x36;
    }

    for (int i = 0; i < 64; i++) {
        opad[i] = (byte) ((opad[i] & 0xFF) ^ (key2[i] & 0xFF));
        ipad[i] = (byte) ((ipad[i] & 0xFF) ^ (key2[i] & 0xFF));
    }

    data = concat(ipad, data);

    MessageDigest md = MessageDigest.getInstance("SHA-1");
    md.update(data);
    byte[] firstHash = md.digest();

    data = concat(opad, firstHash);
    md = MessageDigest.getInstance("SHA-1");
    md.update(data);
    byte[] secondHash = md.digest();

    return Base64.encode(secondHash, Base64.DEFAULT | Base64.NO_WRAP);
}

From source file:Main.java

public static String generateMD5Hash(String textToBeHashed) {
    try {// ww  w  .j  a  v a 2s  .  c o m
        MessageDigest messageDigest = MessageDigest.getInstance(MD5);
        messageDigest.update(textToBeHashed.getBytes());
        byte[] messageDigestByte = messageDigest.digest();
        StringBuffer MD5Hash = new StringBuffer();
        String h;
        for (int i = 0; i < messageDigestByte.length; ++i) {
            h = Integer.toHexString((0xFF & messageDigestByte[i]) | 0x100).substring(1, 3);
            MD5Hash.append(h);
        }
        return MD5Hash.toString();
    } catch (Exception e) {
        throw new RuntimeException("Couldn't generate MD5 hash for " + textToBeHashed);
    }
}

From source file:Main.java

private static String md5(String input) {
    final String MD5 = "MD5";
    try {/*from   w w  w .  java  2 s  .  c om*/
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance(MD5);
        digest.update(input.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 null;
}

From source file:com.ery.ertc.estorm.util.MD5Hash.java

/**
 * Given a byte array, returns its MD5 hash as a hex string. Only "length" number of bytes starting at "offset" within the byte array
 * are used.// w w  w.ja v  a2  s.c  o  m
 * 
 * @param key
 *            the key to hash (variable length byte array)
 * @param offset
 * @param length
 * @return MD5 hash as a 32 character hex string.
 */
public static String getMD5AsHex(byte[] key, int offset, int length) {
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(key, offset, length);
        byte[] digest = md.digest();
        return new String(Hex.encodeHex(digest));
    } catch (NoSuchAlgorithmException e) {
        // this should never happen unless the JDK is messed up.
        throw new RuntimeException("Error computing MD5 hash", e);
    }
}

From source file:Main.java

public static String getMD5Hash(String s) throws NoSuchAlgorithmException {
    MessageDigest m = MessageDigest.getInstance("MD5");
    byte[] data = s.getBytes();
    m.update(data, 0, data.length);/*w ww. jav a 2s  . com*/
    BigInteger i = new BigInteger(1, m.digest());
    return String.format("%1$032X", i);
}

From source file:Main.java

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

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

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

From source file:Main.java

public static String hashMD5Generate(String s) {
    try {//w  ww .  j  a va  2 s  .c o  m
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
        digest.update(s.getBytes());
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            String h = Integer.toHexString(0xFF & messageDigest[i]);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        Log.d(DEBUG, hexString.toString());
        return hexString.toString();

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

From source file:Main.java

public static String computeMD5(byte[] input) {
    try {//from  www . j av a  2  s  .  c  o  m
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(input, TYPE_NOT_CONNECTED, input.length);
        byte[] md5bytes = md.digest();
        StringBuffer hexString = new StringBuffer();
        for (int i = TYPE_NOT_CONNECTED; i < md5bytes.length; i += TYPE_WIFI) {
            String hex = Integer.toHexString(md5bytes[i] & MotionEventCompat.ACTION_MASK);
            if (hex.length() == TYPE_WIFI) {
                hexString.append('0');
            }
            hexString.append(hex);
        }
        return hexString.toString();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
}

From source file:D_common.E_ncript.java

public static String getMd5(String s) {
    try {//from   w  ww .j a v  a 2s .c om
        MessageDigest m = MessageDigest.getInstance("MD5");
        m.update(s.getBytes(), 0, s.length());
        return new BigInteger(1, m.digest()).toString(16);
    } catch (Exception e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static String MD5(String source) {
    String resultHash = null;/*from  ww w.j  ava 2s  .  c om*/
    try {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        md5.reset();
        md5.update(source.getBytes("UTF-8"));
        byte[] result = md5.digest();
        StringBuffer buf = new StringBuffer(result.length * 2);
        for (int i = 0; i < result.length; i++) {
            int intVal = result[i] & 0xff;
            if (intVal < 0x10) {
                buf.append("0");
            }
            buf.append(Integer.toHexString(intVal));
        }
        resultHash = buf.toString();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return resultHash.toString();
}