求D6位隨機數(shù)的刷機包（研究算法用）

不敗的米 · 發(fā)表于 2018-8-21 11:27

本帖最后由不敗的米于 2018-8-21 11:29 編輯

附送5位和C6位算法
package ppma;

import java.security.MessageDigest;

public class pwd {
public static void main(String[] args){
      System.out.print(args[0]+"\n"+args[1]+"\n");
      System.out.print("5："+gethashCode(args[0],args[1])+"\n");
      String change = mark(args[0],args[1]);
      System.out.print("C6："+gethashCode(change,args[1])+"\n");
      return;
}

private static int gethashCode(String mac,String rand){
      String build = builder(mac,rand);
      String md5 = MD5(build);
      return Math.abs(md5.hashCode());
}

private static String mark(String mac,String salt){
      char[] char_mac = mac.toCharArray();
      char[] char_salt = salt.toCharArray();
      int length_mac =char_mac.length;
      int length_rand = char_salt.length;
      char_mac[length_mac-1]=char_salt[length_rand-1];
      int i=0,j=0;
      while(i<length_mac&&j<length_rand){
         if(char_mac==':') char_mac=char_salt[j++];
         i++;
      }
      return  String.copyValueOf(char_mac);
}

private static String builder(String mac,String salt){
      return "open_ADB"+salt+"@"+ mac+"ZTE_ENCRYPT";
}

private static String MD5(String s) {
      try {
         MessageDigest md = MessageDigest.getInstance("MD5");
         byte[] bytes = md.digest(s.getBytes("utf-8"));
         return toHex(bytes);
      }
      catch (Exception e) {
         throw new RuntimeException(e);
      }
}

private static String toHex(byte[] bytes) {

      final char[] HEX_DIGITS = "0123456789ABCDEF".toCharArray();
      StringBuilder ret = new StringBuilder(bytes.length * 2);
      for (int i=0; i<bytes.length; i++) {
         ret.append(HEX_DIGITS[(bytes >> 4) & 0x0f]);
         ret.append(HEX_DIGITS[bytes & 0x0f]);
      }
      return ret.toString();
}
}

幽州1934 · 發(fā)表于 2018-8-22 11:12

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求D6位隨機數(shù)的刷機包（研究算法用）

求D6位隨機數(shù)的刷機包（研究算法用）

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