129 lines
4.2 KiB
C#
129 lines
4.2 KiB
C#
using HL_FristAidPlatform_Public;
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using System;
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using System.IO;
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using System.Management;
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using System.Security.Cryptography;
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using System.Text;
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namespace HL_FristAidPlatform_Frame
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{
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class DecryptHelper
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{
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private static string ComputerInfofile = @"D:\ComputerInfo.key";
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private static string RegistInfofile = @"D:\RegistInfo.key";
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public static bool CheckRegist(string key)
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{
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return CheckRegistData(key);
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}
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private static bool CheckRegistData(string key)
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{
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if (ExistRegistInfofile() == false)
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{
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return false;
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}
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else
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{
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string info = ReadFile(RegistInfofile);
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string computer = ReadFile(ComputerInfofile);
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string registData = Decrypt(info, "JKKJYXGS");
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string[] reg = registData.Split(',');
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if (computer == reg[0] && Information.Hospital.Name == reg[1] && DateTime.Now < Convert.ToDateTime(reg[2]))
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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}
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public static bool ExistRegistInfofile()
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{
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return File.Exists(RegistInfofile);
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}
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public static string ReadRegistFile()
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{
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return ReadFile(RegistInfofile);
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}
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private static string ReadFile(string fileName)
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{
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string info = string.Empty;
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try
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{
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using (StreamReader sr = new StreamReader(fileName))
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{
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info = sr.ReadToEnd();
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sr.Close();
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}
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}
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catch (Exception)
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{
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}
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return info;
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}
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private static string Decrypt(string pToDecrypt, string sKey)
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{
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MemoryStream ms = new MemoryStream();
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try
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{
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DESCryptoServiceProvider des = new DESCryptoServiceProvider();
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byte[] inputByteArray = new byte[pToDecrypt.Length / 2];
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for (int x = 0; x < pToDecrypt.Length / 2; x++)
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{
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int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16));
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inputByteArray[x] = (byte)i;
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}
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des.Key = Encoding.ASCII.GetBytes(sKey);
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des.IV = Encoding.ASCII.GetBytes(sKey);
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CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
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cs.Write(inputByteArray, 0, inputByteArray.Length);
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cs.FlushFinalBlock();
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StringBuilder ret = new StringBuilder();
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}
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catch (Exception ex)
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{
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PublicClass.WriteErrorLog("DecryptHelper", "Decrypt：\r\n" + ex);
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}
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return Encoding.Default.GetString(ms.ToArray());
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}
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public static string GetComputerInfo()
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{
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string info = string.Empty;
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string cpu = GetHardWareInfo("Win32_Processor", "ProcessorId");
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string bios = GetHardWareInfo("Win32_BIOS", "SerialNumber");
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string mac = GetHardWareInfo("Win32_BaseBoard", "SerialNumber");
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info = string.Concat(cpu, bios, mac);
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return info;
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}
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private static string GetHardWareInfo(string typePath, string key)
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{
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try
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{
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ManagementClass managementClass = new ManagementClass(typePath);
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ManagementObjectCollection mn = managementClass.GetInstances();
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PropertyDataCollection properties = managementClass.Properties;
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foreach (PropertyData property in properties)
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{
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if (property.Name == key)
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{
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foreach (ManagementObject m in mn)
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{
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return m.Properties[property.Name].Value.ToString();
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}
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}
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}
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}
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catch (Exception)
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{
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}
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return string.Empty;
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}
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}
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}
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