java android(ios)通用aes加密解密

谁践踏了优雅 2022-04-12 13:25 204阅读 0赞

加密方式：  
1.先将文本AES加密  
2.返回Base64转码

解密方式：  
1.将数据进行Base64解码  
2.进行AES解密

package com.urthinker.jxsh.util;
    
    import javax.crypto.Cipher;
    import javax.crypto.spec.IvParameterSpec;
    import javax.crypto.spec.SecretKeySpec;
    
    import sun.misc.BASE64Decoder;
    import sun.misc.BASE64Encoder;
    
    /**
     * AES 是一种可逆加密算法，对用户的敏感信息加密处理 对原始数据进行AES加密后，在进行Base64编码转化；
     * @author happyqing
     * @since 2016.3.30
     */
    public class AESOperator {
    
        /*
         * 加密用的Key 可以用26个字母和数字组成 此处使用AES-128-CBC加密模式，key需要为16位。
         */
        private String sKey = "0123456789abcdef";//key，可自行修改
        private String ivParameter = "1020304050607080";//偏移量,可自行修改
        private static AESOperator instance = null;
    
        private AESOperator() {
    
        }
    
        public static AESOperator getInstance() {
            if (instance == null)
                instance = new AESOperator();
            return instance;
        }
    
        // 加密
        public String encrypt(String sSrc) throws Exception {
            Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
            byte[] raw = sKey.getBytes();
            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
            IvParameterSpec iv = new IvParameterSpec(ivParameter.getBytes());// 使用CBC模式，需要一个向量iv，可增加加密算法的强度
            cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);
            byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));
            return new BASE64Encoder().encode(encrypted);// 此处使用BASE64做转码。
        }
    
        // 解密
        public String decrypt(String sSrc) throws Exception {
            try {
                byte[] raw = sKey.getBytes("ASCII");
                SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
                Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
                IvParameterSpec iv = new IvParameterSpec(ivParameter.getBytes());
                cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
                byte[] encrypted1 = new BASE64Decoder().decodeBuffer(sSrc);// 先用base64解密
                byte[] original = cipher.doFinal(encrypted1);
                String originalString = new String(original, "utf-8");
                return originalString;
            } catch (Exception ex) {
                return null;
            }
        }
    
        public static void main(String[] args) throws Exception {
            // 需要加密的字串
            //String cSrc = "[{\"request_no\":\"1001\",\"service_code\":\"FS0001\",\"contract_id\":\"100002\",\"order_id\":\"0\",\"phone_id\":\"13913996922\",\"plat_offer_id\":\"100094\",\"channel_id\":\"1\",\"activity_id\":\"100045\"}]";
            
            String cSrc = "15811111111";
            AESOperator.getInstance();
            // 加密
            long lStart = System.currentTimeMillis();
            String enString = AESOperator.getInstance().encrypt(cSrc);
            System.out.println("加密后的字串是：" + enString);
    
            long lUseTime = System.currentTimeMillis() - lStart;
            System.out.println("加密耗时：" + lUseTime + "毫秒");
            // 解密
            lStart = System.currentTimeMillis();
            String DeString = AESOperator.getInstance().decrypt(enString);
            System.out.println("解密后的字串是：" + DeString);
            lUseTime = System.currentTimeMillis() - lStart;
            System.out.println("解密耗时：" + lUseTime + "毫秒");
        }
    
    }

android自带Base64加密解密

http://happyqing.iteye.com/blog/2287679

参考：

.NET/android/java/iOS AES通用加密解密  
[http://www.cnblogs.com/jys509/p/4768120.html][http_www.cnblogs.com_jys509_p_4768120.html]

[http_www.cnblogs.com_jys509_p_4768120.html]: http://www.cnblogs.com/jys509/p/4768120.html