efunbox_audio/src/main/java/cn/efunbox/audio/utils/MD5.java

package cn.efunbox.audio.utils;

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

public class MD5 {
	public MD5() {
	}

	public static final String byte2hexString(byte[] bytes) {
		StringBuffer buf = new StringBuffer(bytes.length * 2);
		for (int i = 0; i < bytes.length; i++) {
			if (((int) bytes[i] & 0xff) < 0x10) {
				buf.append("0");
			}
			buf.append(Long.toString((int) bytes[i] & 0xff, 16));
		}
		return buf.toString();
	}

	/**
	 * md5加密
	 * @param sourceString
	 * @return
	 */
	public static String MD5Encode(String sourceString) {
		String resultString = null;
		try {
			resultString = new String(sourceString);
			MessageDigest md = MessageDigest.getInstance("MD5");
			resultString = byte2hexString(md.digest(resultString.getBytes()));
		} catch (Exception ex) {
		}
		return resultString;
	}
	
	 public static String getMD5Str(String str) {  
	        MessageDigest messageDigest = null;  
	  
	        try {  
	            messageDigest = MessageDigest.getInstance("MD5");  
	  
	            messageDigest.reset();  
	  
	            messageDigest.update(str.getBytes("UTF-8"));  
	        } catch (NoSuchAlgorithmException e) {  
	            System.out.println("NoSuchAlgorithmException caught!");  
	            System.exit(-1);  
	        } catch (UnsupportedEncodingException e) {  
	            e.printStackTrace();  
	        }  
	  
	        byte[] byteArray = messageDigest.digest();  
	  
	        StringBuffer md5StrBuff = new StringBuffer();  
	  
	        for (int i = 0; i < byteArray.length; i++) {              
	            if (Integer.toHexString(0xFF & byteArray[i]).length() == 1)  
	                md5StrBuff.append("0").append(Integer.toHexString(0xFF & byteArray[i]));  
	            else  
	                md5StrBuff.append(Integer.toHexString(0xFF & byteArray[i]));  
	        }  
	  
	        return md5StrBuff.toString();  
	    }

	public static void main(String[] args) throws UnsupportedEncodingException {



	  /*  String data = "eyJ0aW1lIjoxNTMwODQ1MTI1LCJtc2dfaWQiOiI2MWJiYzExMTI2NWY0NmM4OTg3OWM2NWQxYmZkZGY1OSIsImVycl9jb2RlIjoiMjAwIiwiZXJyX21zZyI6Ik9LIn0=";
	    String sign = "VB5Ybhu8MBmTMtyzP2J/rMmbmXy87lCkOA7RCDcQE+47IwG+xL5Tx8PYU+1sRBdpK6I65AaYev434fb1+w3kzcMUI0NOjHMnxNGZtDgEMKMQWpoi9njqDpCcXmrO2dDkON0ysF0MN1mD7kg9yz0oFQ4mp3ues/Uk+NzAXU29cbk=";

	    String publicKey  = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7BTRi35TsWf8lbsR0z5wpKrHx8CsveKvUk51G2bPlPV9XA9JXcMCGmN6YqihoAwMhXnda4FO78KqBpMja6QqucqQjmbJ+quGc11D7yL1+4+l4CZ8ChPXNvl/R2kZPDQhDg5YiTddL8TBSWSvGbQSTFOfIZZllKKct3InCzBG5HQIDAQAB";

        boolean b = RSASignature.verifySignByPublicKey(data, sign, publicKey, false);
        System.out.println(b);

        String jsonData = new String(Base64.decodeBase64(data), "utf-8");
        NotifyResponse msgData = JsonBinder.buildNonNullBinder().fromJson(jsonData, NotifyResponse.class);
        System.out.println(JSON.toJSONString(msgData));

        String s = JsonBinder.buildNonNullBinder().toJson(msgData);
        System.out.println(s);*/

		String md5Encode = MD5Encode("123456");
		System.out.println(md5Encode);

	}

}