275 lines
9.6 KiB
C#
275 lines
9.6 KiB
C#
using Microsoft.Win32;
|
||
using System;
|
||
using System.Collections.Generic;
|
||
using System.IO;
|
||
using System.Linq;
|
||
using System.Management;
|
||
using System.Security.Cryptography;
|
||
using System.Text;
|
||
using System.Web;
|
||
|
||
namespace ApplyTest
|
||
{
|
||
public class RSAEncryption
|
||
{
|
||
/// <summary>
|
||
/// 生成公私钥
|
||
/// </summary>
|
||
/// <param name="PrivateKeyPath"></param>
|
||
/// <param name="PublicKeyPath"></param>
|
||
public void RSAKey(string PrivateKeyPath, string PublicKeyPath)
|
||
{
|
||
try
|
||
{
|
||
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
|
||
this.CreatePrivateKeyXML(PrivateKeyPath, provider.ToXmlString(true));
|
||
this.CreatePublicKeyXML(PublicKeyPath, provider.ToXmlString(false));
|
||
}
|
||
catch (Exception exception)
|
||
{
|
||
throw exception;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 对原始数据进行MD5加密
|
||
/// </summary>
|
||
/// <param name="m_strSource">待加密数据</param>
|
||
/// <returns>返回机密后的数据</returns>
|
||
public string GetHash(string m_strSource)
|
||
{
|
||
HashAlgorithm algorithm = HashAlgorithm.Create("MD5");
|
||
byte[] bytes = Encoding.GetEncoding("GB2312").GetBytes(m_strSource);
|
||
byte[] inArray = algorithm.ComputeHash(bytes);
|
||
return Convert.ToBase64String(inArray);
|
||
}
|
||
/// <summary>
|
||
/// RSA加密
|
||
/// </summary>
|
||
/// <param name="xmlPublicKey">公钥</param>
|
||
/// <param name="m_strEncryptString">MD5加密后的数据</param>
|
||
/// <returns>RSA公钥加密后的数据</returns>
|
||
public string RSAEncrypt(string xmlPublicKey, string m_strEncryptString)
|
||
{
|
||
string str2;
|
||
try
|
||
{
|
||
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
|
||
provider.FromXmlString(xmlPublicKey);
|
||
byte[] bytes = new UnicodeEncoding().GetBytes(m_strEncryptString);
|
||
str2 = Convert.ToBase64String(provider.Encrypt(bytes, false));
|
||
}
|
||
catch (Exception exception)
|
||
{
|
||
throw exception;
|
||
}
|
||
return str2;
|
||
}
|
||
/// <summary>
|
||
/// RSA解密
|
||
/// </summary>
|
||
/// <param name="xmlPrivateKey">私钥</param>
|
||
/// <param name="m_strDecryptString">待解密的数据</param>
|
||
/// <returns>解密后的结果</returns>
|
||
public string RSADecrypt(string xmlPrivateKey, string m_strDecryptString)
|
||
{
|
||
string str2;
|
||
try
|
||
{
|
||
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
|
||
provider.FromXmlString(xmlPrivateKey);
|
||
byte[] rgb = Convert.FromBase64String(m_strDecryptString);
|
||
byte[] buffer2 = provider.Decrypt(rgb, false);
|
||
str2 = new UnicodeEncoding().GetString(buffer2);
|
||
}
|
||
catch (Exception exception)
|
||
{
|
||
throw exception;
|
||
}
|
||
return str2;
|
||
}
|
||
/// <summary>
|
||
/// 对MD5加密后的密文进行签名
|
||
/// </summary>
|
||
/// <param name="p_strKeyPrivate">私钥</param>
|
||
/// <param name="m_strHashbyteSignature">MD5加密后的密文</param>
|
||
/// <returns></returns>
|
||
public string SignatureFormatter(string p_strKeyPrivate, string m_strHashbyteSignature)
|
||
{
|
||
byte[] rgbHash = Convert.FromBase64String(m_strHashbyteSignature);
|
||
RSACryptoServiceProvider key = new RSACryptoServiceProvider();
|
||
key.FromXmlString(p_strKeyPrivate);
|
||
RSAPKCS1SignatureFormatter formatter = new RSAPKCS1SignatureFormatter(key);
|
||
formatter.SetHashAlgorithm("MD5");
|
||
byte[] inArray = formatter.CreateSignature(rgbHash);
|
||
return Convert.ToBase64String(inArray);
|
||
}
|
||
/// <summary>
|
||
/// 签名验证
|
||
/// </summary>
|
||
/// <param name="p_strKeyPublic">公钥</param>
|
||
/// <param name="p_strHashbyteDeformatter">待验证的用户名</param>
|
||
/// <param name="p_strDeformatterData">注册码</param>
|
||
/// <returns></returns>
|
||
public bool SignatureDeformatter(string p_strKeyPublic, string p_strHashbyteDeformatter, string p_strDeformatterData)
|
||
{
|
||
try
|
||
{
|
||
byte[] rgbHash = Convert.FromBase64String(p_strHashbyteDeformatter);
|
||
RSACryptoServiceProvider key = new RSACryptoServiceProvider();
|
||
key.FromXmlString(p_strKeyPublic);
|
||
RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(key);
|
||
deformatter.SetHashAlgorithm("MD5");
|
||
byte[] rgbSignature = Convert.FromBase64String(p_strDeformatterData);
|
||
if (deformatter.VerifySignature(rgbHash, rgbSignature))
|
||
{
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
catch
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取硬盘ID
|
||
/// </summary>
|
||
/// <returns>硬盘ID</returns>
|
||
public string GetHardID()
|
||
{
|
||
string HDInfo = "";
|
||
ManagementClass cimobject1 = new ManagementClass("Win32_DiskDrive");
|
||
ManagementObjectCollection moc1 = cimobject1.GetInstances();
|
||
foreach (ManagementObject mo in moc1)
|
||
{
|
||
HDInfo = (string)mo.Properties["Model"].Value;
|
||
}
|
||
return HDInfo;
|
||
}
|
||
/// <summary>
|
||
/// 读注册表中指定键的值
|
||
/// </summary>
|
||
/// <param name="key">键名</param>
|
||
/// <returns>返回键值</returns>
|
||
private string ReadReg(string key)
|
||
{
|
||
string temp = "";
|
||
try
|
||
{
|
||
RegistryKey myKey = Registry.LocalMachine;
|
||
RegistryKey subKey = myKey.OpenSubKey(@"SOFTWARE/JX/Register");
|
||
|
||
temp = subKey.GetValue(key).ToString();
|
||
subKey.Close();
|
||
myKey.Close();
|
||
return temp;
|
||
}
|
||
catch (Exception)
|
||
{
|
||
throw;//可能没有此注册项;
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 创建注册表中指定的键和值
|
||
/// </summary>
|
||
/// <param name="key">键名</param>
|
||
/// <param name="value">键值</param>
|
||
private void WriteReg(string key, string value)
|
||
{
|
||
try
|
||
{
|
||
RegistryKey rootKey = Registry.LocalMachine.CreateSubKey(@"SOFTWARE/JX/Register");
|
||
rootKey.SetValue(key, value);
|
||
rootKey.Close();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
throw;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 创建公钥文件
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="publickey"></param>
|
||
public void CreatePublicKeyXML(string path, string publickey)
|
||
{
|
||
try
|
||
{
|
||
FileStream publickeyxml = new FileStream(path, FileMode.Create);
|
||
StreamWriter sw = new StreamWriter(publickeyxml);
|
||
sw.WriteLine(publickey);
|
||
sw.Close();
|
||
publickeyxml.Close();
|
||
}
|
||
catch
|
||
{
|
||
throw;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 创建私钥文件
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <param name="privatekey"></param>
|
||
public void CreatePrivateKeyXML(string path, string privatekey)
|
||
{
|
||
try
|
||
{
|
||
FileStream privatekeyxml = new FileStream(path, FileMode.Create);
|
||
StreamWriter sw = new StreamWriter(privatekeyxml);
|
||
sw.WriteLine(privatekey);
|
||
sw.Close();
|
||
privatekeyxml.Close();
|
||
}
|
||
catch
|
||
{
|
||
throw;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 读取公钥
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <returns></returns>
|
||
public string ReadPublicKey(string path)
|
||
{
|
||
StreamReader reader = new StreamReader(path);
|
||
string publickey = reader.ReadToEnd();
|
||
reader.Close();
|
||
return publickey;
|
||
}
|
||
/// <summary>
|
||
/// 读取私钥
|
||
/// </summary>
|
||
/// <param name="path"></param>
|
||
/// <returns></returns>
|
||
public string ReadPrivateKey(string path)
|
||
{
|
||
StreamReader reader = new StreamReader(path);
|
||
string privatekey = reader.ReadToEnd();
|
||
reader.Close();
|
||
return privatekey;
|
||
}
|
||
/// <summary>
|
||
/// 初始化注册表，程序运行时调用，在调用之前更新公钥xml
|
||
/// </summary>
|
||
/// <param name="path">公钥路径</param>
|
||
public void InitialReg(string path)
|
||
{
|
||
Registry.LocalMachine.CreateSubKey(@"SOFTWARE/JX/Register");
|
||
Random ra = new Random();
|
||
string publickey = this.ReadPublicKey(path);
|
||
if (Registry.LocalMachine.OpenSubKey(@"SOFTWARE/JX/Register").ValueCount <= 0)
|
||
{
|
||
this.WriteReg("RegisterRandom", ra.Next(1, 100000).ToString());
|
||
this.WriteReg("RegisterPublicKey", publickey);
|
||
}
|
||
else
|
||
{
|
||
this.WriteReg("RegisterPublicKey", publickey);
|
||
}
|
||
}
|
||
}
|
||
} |