File list (Check if you may need any files):
Chat_WithUsing_X509Certificates
...............................\Encrypted Mutlicasting Chat System
...............................\..................................\About.cs
...............................\..................................\About.Designer.cs
...............................\..................................\About.resx
...............................\..................................\app.config
...............................\..................................\bin
...............................\..................................\...\Debug
...............................\..................................\...\.....\Encrypted Mutlicasting Chat System.exe
...............................\..................................\...\.....\Encrypted Mutlicasting Chat System.exe.config
...............................\..................................\...\.....\Encrypted Mutlicasting Chat System.pdb
...............................\..................................\...\.....\Encrypted Mutlicasting Chat System.vshost.exe
...............................\..................................\...\.....\Encrypted Mutlicasting Chat System.vshost.exe.config
...............................\..................................\...\.....\Encrypted Mutlicasting Chat System.vshost.exe.manifest
...............................\..................................\...\Release
...............................\..................................\Chat_Room.cs
...............................\..................................\Chat_Room.Designer.cs
...............................\..................................\Chat_Room.resx
...............................\..................................\CryptographyClass.cs
...............................\..................................\Encrypted Mutlicasting Chat System.csproj
...............................\..................................\Encrypted Mutlicasting Chat System.csproj.user
...............................\..................................\Login_Dialog.cs
...............................\..................................\Login_Dialog.Designer.cs
...............................\..................................\Login_Dialog.resx
...............................\..................................\Multicasting.cs
...............................\..................................\Program.cs
...............................\..................................\Properties
...............................\..................................\..........\AssemblyInfo.cs
...............................\..................................\..........\Resources.Designer.cs
...............................\..................................\..........\Resources.resx
...............................\..................................\..........\Settings.Designer.cs
...............................\..................................\..........\Settings.settings
...............................\..................................\Web References
...............................\..................................\..............\KMS
...............................\..................................\..............\...\Key_Management_Service.disco
...............................\..................................\..............\...\Key_Management_Service.wsdl
...............................\..................................\..............\...\Reference.cs
...............................\..................................\..............\...\Reference.map
...............................\Encrypted Mutlicasting Chat System.sln
...............................\Encrypted Mutlicasting Chat System.suo
...............................\Key_Management_Server
...............................\.....................\App_Data
...............................\.....................\bin
...............................\.....................\...\Key_Management_Server.dll
...............................\.....................\...\Key_Management_Server.pdb
...............................\.....................\Key_Management_Server.csproj
......