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《javascript与c 互通的des加解密算法实现》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、JavaScript与C#互通的DES加解密算法的实现本文提供了一个能使JavaScript与C#互通的DES加解密算法的实现,在前台页面中用JavaScript版本的DES算法将数据加密之后,传到服务器端,在服务器端可用C#版本的DES解密算法将其解密,得到原始数据,以起到一定的保密作用.但基于算法本身和密钥保密程度方面的考虑,使用本算法加密后的数据,其保密程度不是很高,故请酌情使用.声明:本文中的JavaScript版的DES加解密算法来自于互联网,但为了方便于转化成C#版本的代码,本人对其进行了细微调整.JavaScript版本的算法实现代
2、码如下://JSDES加密函数functionjsencrypt(key,message){varciphertext=stringToHex(des(key,message,1,0));returnciphertext;}//JSDES解密函数functionjsdecrypt(key,message){varplaintext=des(key,HexTostring(message),0,0);returnplaintext;}//加解密主函数functiondes(key,message,encrypt,mode,iv){varspfunc
3、tion1=newArray(0x1010400,0,0x10000,0x1010404,0x1010004,0x10404,0x4,0x10000,0x400,0x1010400,0x1010404,0x400,0x1000404,0x1010004,0x1000000,0x4,0x404,0x1000400,0x1000400,0x10400,0x10400,0x1010000,0x1010000,0x1000404,0x10004,0x1000004,0x1000004,0x10004,0,0x404,0x10404,0x1000000,0
4、x10000,0x1010404,0x4,0x1010000,0x1010400,0x1000000,0x1000000,0x400,0x1010004,0x10000,0x10400,0x1000004,0x400,0x4,0x1000404,0x10404,0x1010404,0x10004,0x1010000,0x1000404,0x1000004,0x404,0x10404,0x1010400,0x404,0x1000400,0x1000400,0,0x10004,0x10400,0,0x1010004);varspfunction2=n
5、ewArray(-0x7fef7fe0,-0x7fff8000,0x8000,0x108020,0x100000,0x20,-0x7fefffe0,-0x7fff7fe0,-0x7fffffe0,-0x7fef7fe0,-0x7fef8000,-0x8000000,-0x7fff8000,0x100000,0x20,-0x7fefffe0,0x108000,0x100020,-0x7fff7fe0,0,-0x8000000,0x8000,0x108020,-0x7ff00000,0x100020,-0x7fffffe0,0,0x108000,0x
6、8020,-0x7fef8000,-0x7ff00000,0x8020,0,0x108020,-0x7fefffe0,0x100000,-0x7fff7fe0,-0x7ff00000,-0x7fef8000,0x8000,-0x7ff00000,-0x7fff8000,0x20,-0x7fef7fe0,0x108020,0x20,0x8000,-0x8000000,0x8020,-0x7fef8000,0x100000,-0x7fffffe0,0x100020,-0x7fff7fe0,-0x7fffffe0,0x100020,0x108000,0
7、,-0x7fff8000,0x8020,-0x8000000,-0x7fefffe0,-0x7fef7fe0,0x108000);varspfunction3=newArray(0x208,0x8020200,0,0x8020008,0x8000200,0,0x20208,0x8000200,0x20008,0x8000008,0x8000008,0x20000,0x8020208,0x20008,0x8020000,0x208,0x8000000,0x8,0x8020200,0x200,0x20200,0x8020000,0x8020008,0
8、x20208,0x8000208,0x20200,0x20000,0x8000208,0x8,0x8020208,0x200,0x800
