Java MD5 String md5(String text)

Description

md

License

Open Source License

Declaration

public static String md5(String text) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    public static String md5(String text) {
        try {//from  w  w w .  j av a2 s  . c  o m
            return hash("MD5", text);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public static String hash(String algorithm, String text) throws NoSuchAlgorithmException {
        try {
            MessageDigest md = MessageDigest.getInstance(algorithm.toUpperCase());
            byte[] hash = md.digest(text.getBytes("UTF-8"));
            StringBuilder sb = new StringBuilder(2 * hash.length);
            for (byte b : hash) {
                sb.append(String.format("%02x", b & 0xff));
            }
            return sb.toString();
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e);
        }
    }
}

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