二维码 des解码

汽车出厂合格证上都有二维码，这个二维码扫描出来的数据都加密了，尝试暴力破解，提示不符合标准的des加密格式，估计加密信息有特殊的编码方式。

这应该是16进制数据，应该不是des加密后原本的16进制数据。

这种二维码加密技术很普遍了，QR des方式的，不过据我所知已经被许多软件公司破解了。

一个车管所专用扫描枪的价格1500左右，就是因为内部自带了一个加密模块。这就是利润空间，破解的厂商不少了。

不知道是不是dump了扫描枪的内部程序，还是有人反编译了二维码打印程序。

在此发一些自己搜罗到的信息，给有兴趣的人研究

从网上搜出了两组扫描后的数据

ZCCCHGZ_V3.1 20091013#1344|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

ZCCCHGZ_V3.1 20091013#1120|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

加密部分整理了三组

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

发现头部有一部分数据是一样的

C206A00123194EDE6376955B044CA1B6D5D8E2A4A65B7F3B

合格证打印接口设计说明

https://wenku.baidu.com/view/b9d1fed780eb6294dd886ccd.html

机动车整车出厂合格证管理信息系统V3.0二次开发套件

http://download.csdn.net/download/sqyfzx/2221246

下面为GA649-2006国标说明

为降低难度，我把自己解密的明文放在下面：

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