AES加密算法在linux下解密失败,windows下成功的问题

package com.more;


import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;

public class AESUtil
{  
  public static String encrypt(String content, String password)
  {
    try
    {
      Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
      
      byte[] byteContent = content.getBytes("utf-8");
      SecretKeySpec secreKeySpec = getSecretKey(password);
      cipher.init(1, secreKeySpec);
      
      byte[] result = cipher.doFinal(byteContent);
      
      return Base64.encodeBase64String(result);
    }
    catch (Exception ex)
    {
      ex.printStackTrace();
    }
    return null;
  }
  
  public static String decrypt(String content, String password)
  {
    try
    {
      Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
      

      cipher.init(2, getSecretKey(password));
      

      byte[] result = cipher.doFinal(Base64.decodeBase64(content));
      
      return new String(result, "utf-8");
    }
    catch (Exception ex)
    {
        ex.printStackTrace();
    }
    return null;
  }
  
  private static SecretKeySpec getSecretKey(String password)
  {
    KeyGenerator kg = null;
    try
    {
      kg = KeyGenerator.getInstance("AES");
      
      SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
      secureRandom.setSeed(password.getBytes());
      
      kg.init(128, secureRandom);
      

      SecretKey secretKey = kg.generateKey();
      
      return new SecretKeySpec(secretKey.getEncoded(), "AES");
    }
    catch (NoSuchAlgorithmException ex)
    {
        ex.printStackTrace();
    }
    return null;
  }
}

在linux系统下抛出异常：javax.crypto.BadPaddingException: Given final block not properly padded。

在工具类中增加调用了 setSeed 方法。

原因分析
SecureRandom 实现完全随操作系统本身的內部状态，除非调用方在调用 getInstance 方法之后又调用了 setSeed 方法；该实现在 windows 上每次生成的 key 都相同，但是在 solaris 或部分 linux 系统上则不同。

文章解决方式来源于：https://m.jb51.net/article/40941.htm