千家论坛_智能建筑与智能家居技术交流社区
标题:
JAVA加密保护（防拷贝和防止反编译）
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作者:
sungodlxj
时间:
2008-10-24 14:09
标题:
JAVA加密保护（防拷贝和防止反编译）
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">JAVA</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">加密保护（防拷贝和防止反编译）</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">众所周知，</span><span lang="EN-US"><font face="Times New Roman">java</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">为开发语言提供了很方便的开发平台，但开发出来的程序很容易在不同的平台上面被移植，现在越来越多的人使用它开发软件。</span><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">Java</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">有它方便的一个方面，但它同时也带给了开发者一个烦恼，这就是保护的办法不多，而且大多数不是很好用，这样自己辛苦开发出来的程序很容易被人复制而据为己有，一般情况下，大多数的人都是用混编器（</span><span lang="EN-US"><font face="Times New Roman">java obfuscator</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">）来把开发出来的程序进行打乱以达到没有办法来反编译观看源代码，但是这种办法在网上很容易找到相关的软件来重新整理，那么这个混编只能控制一些本来也没有办法动您的软件的人，而对于一些掌握工具的人几乎是透明的，还有就</span><span lang="EN-US"><font face="Times New Roman">A</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">是利用硬件加密锁，但大多数公司提供的硬件加密锁只是提供了一些</span><span lang="EN-US"><font face="Times New Roman">dll</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的连接或简单的</span><span lang="EN-US"><font face="Times New Roman">api</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">调用，只要反编译他们，就很容易把一些</span><span lang="EN-US"><font face="Times New Roman">api</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">调用去掉，这样硬件加密锁也就不起作用了，但是现在到底有没有更好的办法呢？</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">加密锁</span><span lang="EN-US"><font face="Times New Roman">( </font><a href="http://www.hasp.net.cn/"><span style="FONT-FAMILY: Arial;"><font color="#800080">http://www.hasp.net.cn</font></span></a><font face="Times New Roman"> )</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">提供的外壳加密工具中有一个叫做数据加密的功能，这个功能就能很好的防止去除</span><span lang="EN-US"><font face="Times New Roman">api</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的调用，各位都知道：硬件加密锁的保护原理就是要你被加密过的软件和加密锁的硬件要紧紧地结合在一起，而且不容易被轻易的剔出原来的调用，这样才能很好的保证您的软件不被盗版，同时这种方式也很容易被程序员掌握，要对一个软件实现保护，大约只需要几分钟的时间就可以了，下面简单介绍一下他的原理：运用加密锁的外壳工具先把调用你的</span><span lang="EN-US"><font face="Times New Roman">java</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">解释器来进行加密，那么就是说如果要运用这个解释器就需要有一把特定的加密锁存在，然后我们再运用它提供的外壳加密工具中的数据加密把你写好的</span><span lang="EN-US"><font face="Times New Roman">java</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">程序</span><span lang="EN-US"><font face="Times New Roman">(CLASS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">或</span><span lang="EN-US"><font face="Times New Roman">JAR</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">包</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">当作一个文件来处理而对他进行加密并生成新的</span><span lang="EN-US"><font face="Times New Roman">JAVA</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">程序</span><span lang="EN-US"><font face="Times New Roman">(CLASS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">或</span><span lang="EN-US"><font face="Times New Roman">JAR</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">包</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，这个加密是采用的</span><span lang="EN-US"><font face="Times New Roman">AES128</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">位的算法的，这样这个加密过的数据文件无论采用任何一种反编译工具都无法反编译出来。——您的软件就只能被您的保护过的</span><span lang="EN-US"><font face="Times New Roman">java</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">解释器并在有加密锁的前提下才能正常运行，但是如果没有加密锁就不能够运行您的软件，从而达到真正保护您的软件的目的。</span><span lang="EN-US"><font face="Times New Roman">
</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">如果你对我们对此产品加密方式有兴趣或者需要对你的程序做保护，欢迎来电索取详细资料</span><font face="Times New Roman">
</font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，包括测试锁，说明书，</span><span lang="EN-US"><font face="Times New Roman">API</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">接口和例程，技术文档（免费，不过要提供联系方式）</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">公司：广州亚斯电子有限公司</span><span lang="EN-US"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">地址：广州市天河区中山大道中</span><span lang="EN-US"><font face="Times New Roman">126</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">号</span><span lang="EN-US"><font face="Times New Roman">608</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">室</span><span lang="EN-US"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">电话：</span><span lang="EN-US"><font face="Times New Roman">020- 32707006 <br/>QQ: 40479612<br/></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">电邮</span><span lang="EN-US"><font face="Times New Roman">: </font><a href="mailto:bailifei@gmail.com"><span style="FONT-FAMILY: Arial;">bailifei@gmail.com</span></a></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">网址</span><span lang="EN-US"><font face="Times New Roman">: </font><a href="http://www.hasp.net.cn/"><span style="FONT-FAMILY: Arial;"><font color="#800080">www.hasp.net.cn</font></span></a></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p>
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