[EclipseStudy]myeclipse5.1注册机的源代码

时间: 2007-01-16 / 分类: 收藏推荐 / 浏览次数: 3,911 / 0个评论 发表评论
 

java中编译此代码为CLASS,然后运行,直接运行

public class Main {
 private static final String L = Decompiling this
copyrighted software is a violation of both your license agreement
and the Digital Millenium Copyright Act of 1998
(http://www.loc.gov/copyright/legislation/dmca.pdf). Under section
1204 of the DMCA, penalties range up to a $500,000 fine or up to
five years imprisonment for a first offense. Think about it; pay
for a license, avoid prosecution, and feel better about
yourself.;

 public static void main(String[] args) {
   String userId =
xiangfei;
   // MyEclipse4.1 GA
   //
其中491(4.9.1)/400(4.0)/401(4.1)/501(5.1.0),()内为版本号,9912310代表注册码过期时间2099/12/31

   String need =
userId.substring(0, 1) + YE3MP-401-00-9912310;
   // MyEclipse4.0.0 GA
   // String need =
userId.substring(0,1) + YE3MP-400-01-9912310;
   // MyEclipse4.9.1
   // String need =
userId.substring(0,1) + YE3MP-491-01-9912310;
   // MyEclipse5.1.0 GA
   // String need =
userId.substring(0,1) + YE3MP-501-00-9912310;
   String dx = need + L +
userId;
   int suf = decode(dx);
   //
System.out.println(SUF:+suf);
   String code = need +
suf;
 
 System.out.println(change(code));
 }

 static int decode(String s) {
   int i = 0;
   char ac[] =
s.toCharArray();
   int j = 0;
   for (int k = ac.length; j <
k; j++) {
     i = 31 * i
+ ac[j];
   }
   return Math.abs(i);
 }

 static String change(String s) {
   byte abyte0[] =
s.getBytes();
   char ac[] = new
char[s.length()];
   int i = 0;
   for (int k = abyte0.length; i
< k; i++) {
     int j =
abyte0[i];
     if (j >=
48 && j <= 57)
     
 j = ((j – 48) + 5) % 10 + 48;
     else if (j
>= 65 && j <= 90)
     
 j = ((j – 65) + 13) % 26 + 65;
     else if (j
>= 97 && j <= 122)
     
 j = ((j – 97) + 13) % 26 + 97;
     ac[i] =
(char) j;
   }
   return
String.valueOf(ac);
 }
}

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