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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{8C99ED0F-C778-463D-BB0D-D72D1D791D47}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>DTS.Common.Security</RootNamespace>
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<AssemblyName>DTS.Common.Security</AssemblyName>
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<TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<Deterministic>true</Deterministic>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
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<DebugSymbols>true</DebugSymbols>
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<OutputPath>bin\x86\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<DebugType>full</DebugType>
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<PlatformTarget>x86</PlatformTarget>
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<LangVersion>7.3</LangVersion>
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<ErrorReport>prompt</ErrorReport>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
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<OutputPath>bin\x86\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<Optimize>true</Optimize>
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<DebugType>pdbonly</DebugType>
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<PlatformTarget>x86</PlatformTarget>
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<LangVersion>7.3</LangVersion>
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<ErrorReport>prompt</ErrorReport>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
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<DebugSymbols>true</DebugSymbols>
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<OutputPath>bin\x64\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<DebugType>full</DebugType>
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<PlatformTarget>x64</PlatformTarget>
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<LangVersion>7.3</LangVersion>
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<ErrorReport>prompt</ErrorReport>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
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<OutputPath>bin\x64\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<Optimize>true</Optimize>
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<DebugType>pdbonly</DebugType>
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<PlatformTarget>x64</PlatformTarget>
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<LangVersion>7.3</LangVersion>
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<ErrorReport>prompt</ErrorReport>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Encryption.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>
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@@ -0,0 +1,107 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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namespace DTS.Common.Security
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{
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public static class Encryption
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="plainText"></param>
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/// <param name="key"></param>
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/// <param name="iv"></param>
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/// <returns></returns>
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public static byte[] EncryptStringToBytes(string plainText, byte[] key, byte[] iv)
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{
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// Check arguments.
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if (plainText == null || plainText.Length <= 0) throw new ArgumentNullException(nameof(plainText));
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if (key == null || key.Length <= 0) throw new ArgumentNullException(nameof(key));
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if (iv == null || iv.Length <= 0) throw new ArgumentNullException(nameof(key));
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byte[] encrypted;
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// Create an RijndaelManaged object
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// with the specified key and IV.
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using (var rijAlg = new AesCryptoServiceProvider())
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{
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rijAlg.Key = key;
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rijAlg.IV = iv;
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// Create a decrytor to perform the stream transform.
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var encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
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// Create the streams used for encryption.
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using (var msEncrypt = new MemoryStream())
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{
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using (var csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
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{
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using (var swEncrypt = new StreamWriter(csEncrypt))
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{
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//Write all data to the stream.
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swEncrypt.Write(plainText);
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}
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encrypted = msEncrypt.ToArray();
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}
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}
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}
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// Return the encrypted bytes from the memory stream.
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return encrypted;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="cipherText"></param>
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/// <param name="key"></param>
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/// <param name="iv"></param>
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/// <returns></returns>
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public static string DecryptStringFromBytes(byte[] cipherText, byte[] key, byte[] iv)
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{
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// Check arguments.
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if (cipherText == null || cipherText.Length <= 0) throw new ArgumentNullException(nameof(cipherText));
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if (key == null || key.Length <= 0) throw new ArgumentNullException(nameof(key));
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if (iv == null || iv.Length <= 0) throw new ArgumentNullException(nameof(key));
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// Declare the string used to hold
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// the decrypted text.
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string plaintext = null;
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// Create an RijndaelManaged object
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// with the specified key and IV.
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using (var rijAlg = new AesCryptoServiceProvider())
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{
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rijAlg.Key = key;
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rijAlg.IV = iv;
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// Create a decrytor to perform the stream transform.
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var decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
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// Create the streams used for decryption.
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using (var msDecrypt = new MemoryStream(cipherText))
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{
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using (var csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
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{
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using (var srDecrypt = new StreamReader(csDecrypt))
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{
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// Read the decrypted bytes from the decrypting stream
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// and place them in a string.
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plaintext = srDecrypt.ReadToEnd();
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}
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}
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}
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}
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return plaintext;
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}
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}
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}
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@@ -0,0 +1,36 @@
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("DTS.Common.Security")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("DTS.Common.Security")]
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[assembly: AssemblyCopyright("Copyright © 2021")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("8c99ed0f-c778-463d-bb0d-d72d1d791d47")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]
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