软件注册码生成器代码

软件注册码生成器代码 Èí?þ×??áÂëÉú?ÉÆ??úÂë ×?Õß?ºÎ?Öª using System; using System.Data; using System.Data.OleDb; using System.Text; using System.Security.Cryptography; using Microsoft.Win32; using System.Configuration; /**////

/// ?ÓÃÜÊý?Ý ///

/// /// /// private string EnText(string Text,string sKey) { StringBuilder ret=new StringBuilder(); try { DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray; inputByteArray=Encoding.Default.GetBytes(Text); //Í??ýÁ??Î?þÏ?ÃÜÂëÉèÖÃ?Ô?ÆËã??µÄ?õÊ???ÏòÁ? des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswor dForStoringInConfigFile (System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0,8),"sha1").Substring(0,8)); //Í??ýÁ??Î?þÏ?ÃÜÂëÉèÖÃËã??µÄ?úÃÜÃÜÔ? des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswor dForStoringInConfigFile (System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0,8),"md5").Substring(0,8)); System.IO.MemoryStream ms=new System.IO.MemoryStream(); CryptoStream cs=new CryptoStream(ms,des.CreateEncryptor(),CryptoStreamMode.Write); cs.Write(inputByteArray,0,inputByteArray.Length); cs.FlushFinalBlock(); foreach( byte b in ms.ToArray()) { ret.AppendFormat("{0:X2}",b); } return ret.ToString(); } catch { return ""; } } /**////

/// ?âÃÜÊý?Ý ///

/// /// /// private string DeText(string Text,string sKey) { try { DESCryptoServiceProvider des = new DESCryptoServiceProvider(); //??ÒåDES?ÓÃÜ?ÔÏó int len; len=Text.Length/2; byte[] inputByteArray = new byte[len]; int x,i; for(x=0;x /// ???ÓÃܵÄ×Ö?û??ת??Ϊ×??áÂëÐÎÊ? /// /// Òª?ÓÃÜ×Ö?û?? /// ×???ºóµÄ×Ö?û?? public string transform(string input,string skey) { string transactSn=string.Empty; if(input == "") { return transactSn; } string initSn=string .Empty; try { initSn=this.EnText(this.EnText(input,skey),skey).ToString(); transactSn=initSn.Substring(0,5) + "-" +initSn.Substring(5,5) + "-" + initSn.Substring(10,5) + "-" + initSn.Substring(15,5) + "-" + initSn.Substring(20,5); return transactSn; } catch { return transactSn; } }