Java MD5 String md5(final String input)

Description

md

License

Apache License

Declaration

public static String md5(final String input) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.security.MessageDigest;

public class Main {

    public static String md5(final String input) {
        try {//from  w w w .j  a  v  a  2  s. c o m
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(input.getBytes());
            byte[] output = md.digest();
            return bytesToHex(output);
        } catch (Exception e) {
            e.printStackTrace();
        }

        return input;
    }

    public static String bytesToHex(byte[] b) {
        char hexDigit[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
        StringBuffer buf = new StringBuffer();
        for (int j = 0; j < b.length; j++) {
            buf.append(hexDigit[(b[j] >> 4) & 0x0f]);
            buf.append(hexDigit[b[j] & 0x0f]);
        }

        return buf.toString();
    }

    public static String toString(Object obj) {
        if (null == obj)
            return null;

        return String.valueOf(obj);
    }
}

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