Example usage for java.security MessageDigest update

Introduction

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

Prototype

public final void update(ByteBuffer input)

Source Link

Document

Update the digest using the specified ByteBuffer.

Usage

From source file:Main.java

public static byte[] createDigest(String passcode, long t1, double q1)
        throws IOException, NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(passcode.getBytes());
    ByteBuffer bb = ByteBuffer.allocate(16); //8 bytes for long and double each
    bb.putLong(t1);/*w ww  . jav  a  2 s.c o m*/
    bb.putDouble(q1);
    md.update(bb);
    return md.digest();
}

From source file:Main.java

public static String md5(String str) throws Exception {
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update(str.getBytes());

    byte byteData[] = md.digest();

    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < byteData.length; i++) {
        sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
    }//from  w w w  .j  a  v  a2 s  . com

    return sb.toString();
}

From source file:Main.java

public static String SHA256(String text) throws NoSuchAlgorithmException {

    MessageDigest md = MessageDigest.getInstance("SHA-256");

    md.update(text.getBytes());
    byte[] digest = md.digest();

    return Base64.encodeToString(digest, Base64.DEFAULT);
}

From source file:Main.java

public static String getMd5(String source) {
    try {/*from   w  w w.j  a  v a  2s . c  o  m*/
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        md5.update(source.getBytes());
        BigInteger bi = new BigInteger(1, md5.digest());
        return String.format("%032x", bi);
    } catch (Exception e) {
        return "";
    }
}

From source file:Main.java

/**
 * For hashing the master password//ww w. j a  v  a  2 s .  com
 *
 * @param password
 * @return
 */
public static String hashPassword(String password)
        throws NoSuchAlgorithmException, UnsupportedEncodingException {
    MessageDigest md = MessageDigest.getInstance("SHA-256");
    md.update(password.getBytes("UTF-8")); // Change this to "UTF-16" if needed
    byte[] digest = md.digest();
    return new String(digest);
}

From source file:Main.java

private static String hashBytes(MessageDigest hash, byte[] bytes) {
    hash.update(bytes);
    byte[] digest = hash.digest();
    StringBuilder builder = new StringBuilder();
    for (int b : digest) {
        builder.append(Integer.toHexString((b >> 4) & 0xf));
        builder.append(Integer.toHexString((b >> 0) & 0xf));
    }/*from w ww  .j  a va 2s.  c  o  m*/
    return builder.toString();
}

From source file:Main.java

public static String getStringMD5(String str) {
    String value = null;/* w  w  w . ja  v  a2s. c o m*/
    try {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        md5.update(str.getBytes());
        BigInteger bi = new BigInteger(1, md5.digest());
        value = bi.toString(16).toUpperCase();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return value;
}

From source file:Main.java

public static byte[] encrypt(String x) throws Exception {
    java.security.MessageDigest d = null;
    d = java.security.MessageDigest.getInstance("SHA-1");
    d.reset();//  w w w  .  ja  v a 2  s  . c o m
    d.update(x.getBytes());
    return d.digest();
}

From source file:Main.java

public static String generateMd5Hash(String str) {
    try {/*from   ww w.  j  ava 2  s  .  co  m*/
        MessageDigest m = MessageDigest.getInstance("MD5");
        m.update(str.getBytes("UTF8"));
        byte s[] = m.digest();
        String result = "";
        for (int i = 0; i < s.length; i++) {
            result += Integer.toHexString((0x000000ff & s[i]) | 0xffffff00).substring(6);
        }
        return result;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String md5(String input) throws Exception {
    MessageDigest md5 = MessageDigest.getInstance("MD5");
    md5.update(input.getBytes("UTF-8"));
    BigInteger hash = new BigInteger(1, md5.digest());
    return String.format("%1$032X", hash);
}