content: /*
   * Copyright  2017 [AllenCoder]
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.allen.apputils;
  
  import java.security.MessageDigest;
  import java.security.NoSuchAlgorithmException;
  
  public class DigestUtils {
  	
  	static MessageDigest getDigest(String algorithm){
  		try{
  			return MessageDigest.getInstance(algorithm); 
  		} catch (NoSuchAlgorithmException e) {
  			throw new RuntimeException(e.getMessage());
  		}
  	}
  
  	private static MessageDigest getMd5Digest(){
  		return getDigest("MD5");
  	}
  
  	public static byte[] md5(byte[] data){
  		return getMd5Digest().digest(data);
  	}
  
  
  	public static String md5Hex(byte[] data){
  		return Hex.encodeHexString(md5(data));
  	}
  	  
  }
  