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:net.cheesecan.cheeselobby.session.MD5Base64Hash.java

public static String encrypt(String str) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update(str.getBytes());//w  w  w  .  j  a  v a 2s .c  o m
    byte[] enc = md.digest();
    return new String(new Base64().encode(enc));
}

From source file:Main.java

public static String sha1(String input) throws NoSuchAlgorithmException, UnsupportedEncodingException {
    MessageDigest md = MessageDigest.getInstance("SHA1");
    md.update(input.getBytes("UTF-8"));
    byte[] output = md.digest();
    return bytesToHex(output);
}

From source file:Main.java

public final static String MD5(String s) throws Exception {
    char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

    byte[] strTemp = s.getBytes();
    MessageDigest mdTemp = MessageDigest.getInstance("MD5");
    mdTemp.update(strTemp);//from  w ww.  j  a v a2 s  .c o m
    byte[] md = mdTemp.digest();
    int j = md.length;
    char str[] = new char[j * 2];
    int k = 0;
    for (int i = 0; i < j; i++) {
        byte byte0 = md[i];
        str[k++] = hexDigits[byte0 >>> 4 & 0xf];
        str[k++] = hexDigits[byte0 & 0xf];
    }
    return new String(str);
}

From source file:Main.java

public static byte[] md5(byte[] bytes) {
    try {/*from  ww  w  .  j a v  a 2s  . c om*/
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.update(bytes);
        return messageDigest.digest();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:MainClass.java

public static byte[] makeDigest(byte[] mush, long t2, double q2) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(mush);//from  w ww.j  av  a  2  s  .c  o  m
    md.update(makeBytes(t2, q2));
    return md.digest();
}

From source file:Main.java

public static String generateMd5Hash(String str) {
    try {//from  ww w .  j  a v a2 s.c  o  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 final static String MD5(String s) {
    try {//from  w ww.ja  v  a  2  s.  c o  m
        byte[] btInput = s.getBytes();
        MessageDigest mdInst = MessageDigest.getInstance("MD5");
        mdInst.update(btInput);
        byte[] md = mdInst.digest();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < md.length; i++) {
            int val = ((int) md[i]) & 0xff;
            if (val < 16)
                sb.append("0");
            sb.append(Integer.toHexString(val));
        }
        return sb.toString();
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static String cryptoStr2MD5(String str) {
    try {/* w ww . ja  va 2  s. c o  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes());
        byte[] bytes = md.digest();
        return byte2Hex(bytes);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:de.kaojo.security.util.SecureHashingAlgorithmHelper.java

public static String hashSHA256(String input) throws NoSuchAlgorithmException {

    MessageDigest md = MessageDigest.getInstance(ALGORITHM);

    md.update(input.getBytes());/*from w w  w  .  java  2s  .  c o m*/
    byte[] digest = md.digest();

    byte[] encode = Base64.encodeBase64(digest);
    return new String(encode);
}

From source file:Main.java

public final static String getMessageDigest(byte[] buffer) {
    char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
    try {/*ww w  .ja v a2 s  .c  o m*/
        MessageDigest mdTemp = MessageDigest.getInstance("MD5");
        mdTemp.update(buffer);
        byte[] md = mdTemp.digest();
        int j = md.length;
        char str[] = new char[j * 2];
        int k = 0;
        for (int i = 0; i < j; i++) {
            byte byte0 = md[i];
            str[k++] = hexDigits[byte0 >>> 4 & 0xf];
            str[k++] = hexDigits[byte0 & 0xf];
        }
        return new String(str);
    } catch (Exception e) {
        return null;
    }
}