AES | 工具类

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• 前端js加密

<script src="js/crypto-js/3.1.2/components/core.js"></script>
<script src="js/crypto-js/3.1.2/components/core-min.js"></script>
<script src="js/crypto-js/3.1.2/rollups/aes.js"></script>
<script src="js/crypto-js/3.1.2/components/aes-min.js"></script>
<script src="js/crypto-js/3.1.2/components/md5.js"></script>
<script src="js/crypto-js/3.1.2/components/md5-min.js"></script>
<script src="js/crypto-js/3.1.2/components/enc-base64.js"></script>                
<script src="js/crypto-js/3.1.2/components/cipher-core.js"></script>                
<script src="js/crypto-js/3.1.2/components/mode-ecb-min.js"></script>
<script> 
    function encryptFun(){
        var data  = "123456";
        var key= "1234567890abcdef";//key长度必须是16的倍数
        var srcs  = CryptoJS.enc.Utf8.parse(data);
        if(key== ""){
            key= random(16);
            $("#key").val(generateString);
        }
        var key = CryptoJS.enc.Utf8.parse(generateString);
        var encryptedData = CryptoJS.AES.encrypt(srcs, key, {
                mode:CryptoJS.mode.ECB,
                padding: CryptoJS.pad.Pkcs7
           }); 
        //加密后结果
        var encrypted = encryptedData.toString();
        console.log("加密结果:" + encrypted);
        return encrypted;
    }
    //解密
    function decryptFun(message){
        var decrypted = CryptoJS.AES.decrypt(message,key,{
           mode : CryptoJS.mode.ECB,
           padding : CryptoJS.pad.Pkcs7
        });
        var decrypt = CryptoJS.enc.Utf8.stringify(decrypt).toString();  
        console.log("解密结果:" + decrypt);
        return decrypt;
    }
</script>

• 后端java解密

package cn.com.bankit.bwp.common.util;

import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.KeyGenerator;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.SecretKeySpec;

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

public class EncryptUtils {
       private static final String KEY = "abcdefgabcdefg12";  
        private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";  
        public static String base64Encode(byte[] bytes){  
            return Base64.encodeBase64String(bytes);  
        }  
        public static byte[] base64Decode(String base64Code) throws Exception{  
            //return new BASE64Decoder().decodeBuffer(base64Code);  
            return Base64.decodeBase64(base64Code.getBytes("UTF-8")); 
        }  
        public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception {  
            KeyGenerator kgen = KeyGenerator.getInstance("AES");  
            kgen.init(128);  
            Cipher cipher = Cipher.getInstance(ALGORITHMSTR);  
            cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES"));  

            return cipher.doFinal(content.getBytes("utf-8"));  
        }  
        public static String aesEncrypt(String content, String encryptKey) throws Exception {  
            return base64Encode(aesEncryptToBytes(content, encryptKey));  
        }  
        public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) {  
              try {
                    KeyGenerator kgen = KeyGenerator.getInstance("AES");  
                    kgen.init(128);  

                    Cipher cipher = Cipher.getInstance(ALGORITHMSTR);  
                    cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES"));  
                    byte[] decryptBytes = cipher.doFinal(encryptBytes);  
                    return new String(decryptBytes);  
              } catch (NoSuchAlgorithmException e) {
                    e.printStackTrace();
                } catch (NoSuchPaddingException e) {
                    e.printStackTrace();
                } catch (InvalidKeyException e) {
                    e.printStackTrace();
                } catch (IllegalBlockSizeException e) {
                    e.printStackTrace();
                } catch (BadPaddingException e) {
                    e.printStackTrace();
                }
              return null;
        }  
        public static String aesDecrypt(String encryptStr, String decryptKey) throws Exception {  
            return aesDecryptByBytes(base64Decode(encryptStr), decryptKey);  
        }  


        /**
         * 测试
         * 
         */
        public static void main(String[] args) throws Exception {

            String content = "Test String么么哒";  //0gqIDaFNAAmwvv3tKsFOFf9P9m/6MWlmtB8SspgxqpWKYnELb/lXkyXm7P4sMf3e
            System.out.println("加密前：" + content);  

            System.out.println("加密密钥和解密密钥：" + KEY);  

            String encrypt = aesEncrypt(content, KEY);  
            System.out.println(encrypt.length()+":加密后：" + encrypt);  

            String decrypt = aesDecrypt(encrypt, KEY);  
            System.out.println("解密后：" + decrypt);  
        }
}