java mysql 通用aes加密算法

import javax.crypto.Cipher;  
import javax.crypto.spec.SecretKeySpec;  
  
import sun.misc.BASE64Decoder;  
import sun.misc.BASE64Encoder;  
  
/** 
 * java使用AES加密解密 AES-128-ECB加密 
 * 与mysql数据库aes加密算法通用 
 * 数据库aes加密解密 
 * -- 加密 
 *  SELECT to_base64(AES_ENCRYPT('www.gowhere.so','jkl;POIU1234++==')); 
 *  -- 解密 
 *  SELECT AES_DECRYPT(from_base64('Oa1NPBSarXrPH8wqSRhh3g=='),'jkl;POIU1234++=='); 
 * @author 836508 
 * 
 */  
public class MyAESUtil {  
   
    // 加密  
    public static String Encrypt(String sSrc, String sKey) throws Exception {  
        if (sKey == null) {  
            System.out.print("Key为空null");  
            return null;  
        }  
        // 判断Key是否为16位  
        if (sKey.length() != 16) {  
            System.out.print("Key长度不是16位");  
            return null;  
        }  
        byte[] raw = sKey.getBytes("utf-8");  
        SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");  
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");//"算法/模式/补码方式"  
        cipher.init(Cipher.ENCRYPT_MODE, skeySpec);  
        byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));  
        return new BASE64Encoder().encode(encrypted);//此处使用BASE64做转码功能,同时能起到2次加密的作用。  
    }  
   
    // 解密  
    public static String Decrypt(String sSrc, String sKey) throws Exception {  
        try {  
            // 判断Key是否正确  
            if (sKey == null) {  
                System.out.print("Key为空null");  
                return null;  
            }  
            // 判断Key是否为16位  
            if (sKey.length() != 16) {  
                System.out.print("Key长度不是16位");  
                return null;  
            }  
            byte[] raw = sKey.getBytes("utf-8");  
            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");  
            Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");  
            cipher.init(Cipher.DECRYPT_MODE, skeySpec);  
            byte[] encrypted1 = new BASE64Decoder().decodeBuffer(sSrc);//先用base64解密  
            try {  
                byte[] original = cipher.doFinal(encrypted1);  
                String originalString = new String(original,"utf-8");  
                return originalString;  
            } catch (Exception e) {  
                System.out.println(e.toString());  
                return null;  
            }  
        } catch (Exception ex) {  
            System.out.println(ex.toString());  
            return null;  
        }  
    }  
   
    public static void main(String[] args) throws Exception {  
        /* 
         * 此处使用AES-128-ECB加密模式,key需要为16位。 
         */  
        String cKey = "jkl;POIU1234++==";  
        // 需要加密的字串  
        String cSrc = "www.gowhere.so";  
        System.out.println(cSrc);  
        // 加密  
        String enString = MyAESUtil.Encrypt(cSrc, cKey);  
        System.out.println("加密后的字串是:" + enString);  
   
        // 解密  
        String DeString = MyAESUtil.Decrypt(enString, cKey);  
        System.out.println("解密后的字串是:" + DeString);  
    }  
}  

转载自:https://www.iteye.com/blog/wddpwzzhao123-2346325

posted @ 2020-01-16 20:02  平淡有从容  阅读(1640)  评论(0编辑  收藏  举报