C#软件注册码相关（一）
参考1
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Security.Cryptography;
using System.Management;
/// <summary>
/// Hasher 的摘要说明
/// </summary>
///
namespace Hasher
{
public class Hasher
{
// private byte[] _HashKey; //哈希密钥存储变量
public string _HashText; //待加密的字符串
// public Hasher()
// {
// }
// 需要产生加密哈希的字符串
public string HashText
{
set
{
_HashText = value;
}
get
{
return _HashText;
}
}
/// 使用MD5CryptoServiceProvider类产生哈希值。不需要提供密钥。
/// </summary>
/// <returns></returns>
public string MD5Hasher()
{
byte[] MD5Data = System.Text.Encoding.UTF8.GetBytes(HashText);
MD5 Md5 = new MD5CryptoServiceProvider();
byte[] Result = Md5.ComputeHash(MD5Data);
return Convert.ToBase64String(Result); //返回长度为字节字符串
}
//获取cpu序列号
public String GetCpuID()
{
ManagementClass mc = new ManagementClass("Win32_Processor");
ManagementObjectCollection moc = mc.GetInstances();
String strCpuID = null;
foreach (ManagementObject mo in moc)
{
strCpuID = mo.Properties["ProcessorId"].Value.ToString();
break;
}
return strCpuID;
}//end method
//获取硬盘序列号
public String GetDriveID()
{
string driveSerialNum = "";
Scripting.FileSystemObjectClass MySystem = new Scripting.FileSystemObjectClass();
foreach (Scripting.Drive MyDriver in MySystem.Drives)
{
string SerialNumber = "";
try
{
SerialNumber = MyDriver.SerialNumber.ToString();
driveSerialNum = driveSerialNum + SerialNumber;
}
catch (Exception ex)
{
}
}
return driveSerialNum;
}
public String strJia()
{
string strJiami = "";
strJiami = GetCpuID() + GetDriveID();
return strJiami;
}
public string jiqixuelie;
public string duijiqima = null;
///得到机器码
public string hashGetDriveID()
{
Hasher hs = new Hasher();
hs.HashText = hs.strJia();
string jiqi = hs.MD5Hasher();
duijiqima = jiqi.Substring(8, 5);
return duijiqima;
}
public string Sern()
//最终的序列号//m为配置文件值
//x为序列号值
//css进行比较该注册码是否正确
{
//888888888888888888888888888888888获取机器码
Hasher hs = new Hasher();
//88888888888888888888888888888888888888888888888888获取序列号
Hasher hash = new Hasher();
hash.HashText = hs.hashGetDriveID().ToString ();
jiqixuelie = hash.MD5Hasher();
return jiqixuelie;
}
}
参考2
using System;
using System.Data;
using System.Data.OleDb;
using System.Text;
using System.Security.Cryptography;
using Microsoft.Win32;
using System.Configuration;
/// <summary>
/// 加密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
private string EnText(string Text,string sKey)
{
StringBuilder ret=new StringBuilder();
try
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray;
inputByteArray=Encoding.Default.GetBytes(Text);
//通过两次哈希密码设置对称算法的初始化向量
des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile
(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0,8),"sha1").Substring(0,8));
//通过两次哈希密码设置算法的机密密钥
des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile
(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 "";
}
}
/// <summary>
/// 解密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
private string DeText(string Text,string sKey)
{
try
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider(); //定义DES加密对象
int len;
len=Text.Length/2;
byte[] inputByteArray = new byte[len];
int x,i;
for(x=0;x<len;x++)
{
i = Convert.ToInt32(Text.Substring(x * 2, 2),16);
inputByteArray[x]=(byte)i;
}
//通过两次哈希密码设置对称算法的初始化向量
des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile
(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0,8),"sha1").Substring(0,8));
//通过两次哈希密码设置算法的机密密钥
des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile
(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0,8),"md5").Substring(0,8));
System.IO.MemoryStream ms=new System.IO.MemoryStream();//定义内存流
CryptoStream cs=new CryptoStream(ms,des.CreateDecryptor(),CryptoStreamMode.Write);//定义加密流
cs.Write(inputByteArray,0,inputByteArray.Length);
cs.FlushFinalBlock();
return Encoding.Default.GetString(ms.ToArray());
}
catch
{
return "";
}
}
/// <summary>
/// 将加密的字符串转换为注册码形式
/// </summary>
/// <param name="input">要加密字符串</param>
/// <returns>装换后的字符串</returns>
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;
}
}