MARKUS

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Runtime.InteropServices;

using System.Security.Cryptography;

using System.Text;

using System.Threading.Tasks;

namespace CommonLib

{

    public class Common

    {

        [DllImport("kernel32")]

        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        public static string AppDataFolder

        {

            get

            {

                return Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MARKUS");

            }

        }

        /// <summary>

        /// Client 에 설치된 MARKUS.ini 를 참조.

        /// </summary>

        /// <param name="section"></param>

        /// <param name="key"></param>

        /// <param name="def"></param>

        /// <returns></returns>

        public static string GetConfigString(string section, string key, string def)

        {

            System.Text.StringBuilder strbuilder = new System.Text.StringBuilder(512);

            GetPrivateProfileString(section, key, def, strbuilder, 512, Path.Combine(AppDataFolder, "MARKUS.ini"));

            return strbuilder.ToString();

        }

        /// <summary>

        /// 서버에 설치된 Service ini 의 Connection String 을 참조

        /// </summary>

        /// <returns></returns>

        public static string GetConnectionString()

        {

            System.Text.StringBuilder strbuilder = new System.Text.StringBuilder(512);

            GetPrivateProfileString("ConnectionString", "STRING", "", strbuilder, 512, Path.Combine(AppDataFolder, "FinalService.ini"));

            return Decrypt(strbuilder.ToString(), "Doftech1073#");

        }

        private static string Decrypt(string textToDecrypt, string key)

        {

            RijndaelManaged rijndaelCipher = new RijndaelManaged();

            rijndaelCipher.Mode = CipherMode.CBC;

            rijndaelCipher.Padding = PaddingMode.PKCS7;

            rijndaelCipher.KeySize = 128;

            rijndaelCipher.BlockSize = 128;

            byte[] encryptedData = Convert.FromBase64String(textToDecrypt);

            byte[] pwdBytes = Encoding.UTF8.GetBytes(key);

            byte[] keyBytes = new byte[16];

            int len = pwdBytes.Length;

            if (len > keyBytes.Length)

            {

                len = keyBytes.Length;

            }

            Array.Copy(pwdBytes, keyBytes, len);

            rijndaelCipher.Key = keyBytes;

            rijndaelCipher.IV = keyBytes;

            byte[] plainText = rijndaelCipher.CreateDecryptor().TransformFinalBlock(encryptedData, 0, encryptedData.Length);

            return Encoding.UTF8.GetString(plainText);

        }

    }

}

<?xml version="1.0" encoding="utf-8"?>

<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />

  <PropertyGroup>

    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>

    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>

    <ProjectGuid>{DEF47FC2-B898-4C92-AD8D-D7B9E994495E}</ProjectGuid>

    <OutputType>Library</OutputType>

    <AppDesignerFolder>Properties</AppDesignerFolder>

    <RootNamespace>CommonLib</RootNamespace>

    <AssemblyName>CommonLib</AssemblyName>

    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>

    <FileAlignment>512</FileAlignment>

    <Deterministic>true</Deterministic>

  </PropertyGroup>

  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">

    <DebugSymbols>true</DebugSymbols>

    <DebugType>full</DebugType>

    <Optimize>false</Optimize>

    <OutputPath>bin\Debug\</OutputPath>

    <DefineConstants>DEBUG;TRACE</DefineConstants>

    <ErrorReport>prompt</ErrorReport>

    <WarningLevel>4</WarningLevel>

  </PropertyGroup>

  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">

    <DebugType>pdbonly</DebugType>

    <Optimize>true</Optimize>

    <OutputPath>bin\Release\</OutputPath>

    <DefineConstants>TRACE</DefineConstants>

    <ErrorReport>prompt</ErrorReport>

    <WarningLevel>4</WarningLevel>

  </PropertyGroup>

  <ItemGroup>

    <Reference Include="System" />

    <Reference Include="System.Core" />

    <Reference Include="System.Xml.Linq" />

    <Reference Include="System.Data.DataSetExtensions" />

    <Reference Include="Microsoft.CSharp" />

    <Reference Include="System.Data" />

    <Reference Include="System.Net.Http" />

    <Reference Include="System.Xml" />

  </ItemGroup>

  <ItemGroup>

    <Compile Include="Common.cs" />

    <Compile Include="Properties\AssemblyInfo.cs" />

  </ItemGroup>

  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

</Project>

using System.Reflection;

using System.Runtime.CompilerServices;

using System.Runtime.InteropServices;

// 어셈블리에 대한 일반 정보는 다음 특성 집합을 통해 

// 제어됩니다. 어셈블리와 관련된 정보를 수정하려면

// 이러한 특성 값을 변경하세요.

[assembly: AssemblyTitle("CommonLib")]

[assembly: AssemblyDescription("")]

[assembly: AssemblyConfiguration("")]

[assembly: AssemblyCompany("")]

[assembly: AssemblyProduct("CommonLib")]

[assembly: AssemblyCopyright("Copyright ©  2019")]

[assembly: AssemblyTrademark("")]

[assembly: AssemblyCulture("")]

// ComVisible을 false로 설정하면 이 어셈블리의 형식이 COM 구성 요소에 

// 표시되지 않습니다. COM에서 이 어셈블리의 형식에 액세스하려면

// 해당 형식에 대해 ComVisible 특성을 true로 설정하세요.

[assembly: ComVisible(false)]

// 이 프로젝트가 COM에 노출되는 경우 다음 GUID는 typelib의 ID를 나타냅니다.

[assembly: Guid("def47fc2-b898-4c92-ad8d-d7b9e994495e")]

// 어셈블리의 버전 정보는 다음 네 가지 값으로 구성됩니다.

//

//      주 버전

//      부 버전 

//      빌드 번호

//      수정 버전

//

// 모든 값을 지정하거나 아래와 같이 '*'를 사용하여 빌드 번호 및 수정 번호를

// 기본값으로 할 수 있습니다.

// [assembly: AssemblyVersion("1.0.*")]

[assembly: AssemblyVersion("1.0.0.0")]

[assembly: AssemblyFileVersion("1.0.0.0")]