kettle加解密算法

最新推荐文章于 2025-05-23 13:50:51 发布

soundfuture

最新推荐文章于 2025-05-23 13:50:51 发布

阅读量3.1k

点赞数

CC 4.0 BY-SA版权

分类专栏：数据仓库文章标签：解密 string bi exception null class

本文链接：https://blog.youkuaiyun.com/soundfuture/article/details/7679713

数据仓库专栏收录该内容

2 篇文章

订阅专栏

package sjck;
import java.math.BigInteger; 

public class JM {
    private static  int RADIX = 16; 
    private static  String SEED = "0933910847463829827159347601486730416058"; 
    
    public static final String encryptPassword(String password)  
    {  
        if (password==null) return "";  
        if (password.length()==0) return "";  
          
        BigInteger bi_passwd = new BigInteger(password.getBytes());  
          
        BigInteger bi_r0  = new BigInteger(SEED);  
        BigInteger bi_r1  = bi_r0.xor(bi_passwd);  
          
        return bi_r1.toString(RADIX);   
    }  
    
    
    public static  String decryptPassword(String encrypted) 
    { 
             if (encrypted==null) return ""; 
             if (encrypted.length()==0) return ""; 
              
             BigInteger bi_confuse  = new BigInteger(SEED); 
              
             try 
             { 
                     BigInteger bi_r1 = new BigInteger(encrypted, RADIX); 
                     BigInteger bi_r0 = bi_r1.xor(bi_confuse); 
                      
                     return new String(bi_r0.toByteArray());  
             } 
             catch(Exception e) 
             { 
                     return ""; 
             } 
     } 

	public static void main(String[] args) {
		System.out.println(JM.decryptPassword("2be98afc86aa7c3d6f848fc238bc6fd99"));
	}
}