使用CryptoJS中的AES实现加解密

最近为了解决项目中用户名、密码明文传输的问题，使用了AES在前台加密，然后在后台解密，稍微整理了一下，记录AES前台加解密和后台java加解密，以防忘记。

前台使用CryptoJS实现AES加解密的，所以要先下载组件，下载CryptoJS-v3.1.2版本之后，文件中包含components和rollups两个文件夹，components文件夹下是单个组件，rollups文件夹下是汇总，引用rollups下的aes.js文件即可。

下载地址：CryptoJS-v3.1.2

前台加解密：

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<title>AES加解密</title>
<style>  
	*{margin:0;padding:0}  
	.demo-wrap{width: 400px;height:50px;margin: 50px auto auto auto}  
</style>
<script src="./js/aes.js"></script>
<script type="text/javascript">
	function getAesString(data,key,iv){
		var key  = CryptoJS.enc.Utf8.parse(key); 
		var iv   = CryptoJS.enc.Utf8.parse(iv); 
		var encrypted =CryptoJS.AES.encrypt(data,key,{
			iv:iv, 
			mode:CryptoJS.mode.CBC,
			padding:CryptoJS.pad.Pkcs7 
		});
		return encrypted.toString();  //返回的是base64格式的密文
	}
	function getDAesString(encrypted,key,iv){
		var key  = CryptoJS.enc.Utf8.parse(key);
		var iv   = CryptoJS.enc.Utf8.parse(iv);
		var decrypted =CryptoJS.AES.decrypt(encrypted,key,{
			iv:iv,
			mode:CryptoJS.mode.CBC,
			padding:CryptoJS.pad.Pkcs7
		});
		return decrypted.toString(CryptoJS.enc.Utf8);
	}
	function getAES(){//加密
		var data =document.getElementById("data-ipt").value;//明文 
		var key  = 'abcdefghijklmn12';  //密钥
		var iv   = 'abcdefghijklmn12';
		var encrypted =getAesString(data,key,iv); //密文
		var encrypted1 =CryptoJS.enc.Utf8.parse(encrypted);
		document.getElementById("encrypted").innerHTML = encrypted; 
	}
	function getDAes(){//解密  
		var encrypted =document.getElementById("encrypted").innerHTML; //密文
		var key  = 'abcdefghijklmn12'; 
		var iv   = 'abcdefghijklmn12'; 
		var decryptedStr =getDAesString(encrypted,key,iv);  
		document.getElementById("decrypted").innerHTML = decryptedStr; 
	}
</script>
</head>
<body>
	<div class="demo-wrap">
		<input type="text" id="data-ipt"/>
		<button onclick="getAES();">AES加密</button> 
		<button onclick="getDAes();">AES解密</button> 
		<br/>
		加密后的数据:  
		<p id ="encrypted"></p>  
		解密后的数据:
		<p id="decrypted"></p>  
	</div>
</body>
</html>

后台加解密：

package com.yanzhengma.servlet;

import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.Base64;

public class AESTest {

	public static void main(String args[]) throws Exception{
		String content = "test";
		String key = "abcdefghijklmn12";
		String iv = "abcdefghijklmn12";
		//加密
		byte[] encrypted = AES_CBC_Encrypt(content.getBytes(), key.getBytes(), iv.getBytes()); 
		//解密
		byte[] decrypted = AES_CBC_Decrypt(decryptBASE64("加密后的密文"), key.getBytes(), iv.getBytes());
		
		System.out.println("加密后："+encryptBASE64(encrypted));
		System.out.println("解密后："+byteToString(decrypted));
	}
	
	public static String byteToString(byte[] byte1){  
        return new String(byte1);  
    }
	
	public static byte[] AES_CBC_Encrypt(byte[] content, byte[] keyBytes, byte[] iv){
		try {
			SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
			cipher.init(Cipher.ENCRYPT_MODE,key, new IvParameterSpec(iv));
			byte[] result = cipher.doFinal(content); 
			return result;
		} catch (Exception e) {
			System.out.println("exception:"+e.toString());
		}
		return null;
	}
	
	public static byte[] AES_CBC_Decrypt(byte[] content, byte[] keyBytes, byte[] iv){
		try {
			SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
			cipher.init(Cipher.DECRYPT_MODE,key, new IvParameterSpec(iv)); 
			byte[] result = cipher.doFinal(content);
			return result;
		} catch (Exception e) {
			System.out.println("exception:"+e.toString());
		}
		return null;
	}
	
	//字符串装换成base64
	public static byte[] decryptBASE64(String key) throws Exception {   
        return Base64.decodeBase64(key.getBytes());  
    }
	//base64装换成字符串
	public static String encryptBASE64(byte[] key) throws Exception {   
        return new String(Base64.encodeBase64(key));  
    } 
}

使用CryptoJS中的AES实现加解密

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