diff --git a/client/Program.cs b/client/Program.cs
new file mode 100644
index 0000000..3751555
--- /dev/null
+++ b/client/Program.cs
@@ -0,0 +1,2 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");
diff --git a/client/client.csproj b/client/client.csproj
new file mode 100644
index 0000000..47ba6e4
--- /dev/null
+++ b/client/client.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\lib\lib.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/lib/Class1.cs b/lib/Class1.cs
new file mode 100644
index 0000000..34def2d
--- /dev/null
+++ b/lib/Class1.cs
@@ -0,0 +1,6 @@
+namespace lib;
+
+public class Class1
+{
+
+}
diff --git a/lib/lib.csproj b/lib/lib.csproj
new file mode 100644
index 0000000..fa71b7a
--- /dev/null
+++ b/lib/lib.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/online_security_project.sln b/online_security_project.sln
new file mode 100644
index 0000000..704057d
--- /dev/null
+++ b/online_security_project.sln
@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "client", "client\client.csproj", "{F38E98E8-4FE8-4F34-B5A7-004444ED1F50}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F38E98E8-4FE8-4F34-B5A7-004444ED1F50}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F38E98E8-4FE8-4F34-B5A7-004444ED1F50}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F38E98E8-4FE8-4F34-B5A7-004444ED1F50}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F38E98E8-4FE8-4F34-B5A7-004444ED1F50}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal
diff --git a/protocol.typ b/protocol.typ
new file mode 100644
index 0000000..e69de29
diff --git a/server/Program.cs b/server/Program.cs
new file mode 100644
index 0000000..3751555
--- /dev/null
+++ b/server/Program.cs
@@ -0,0 +1,2 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");
diff --git a/server/server.csproj b/server/server.csproj
new file mode 100644
index 0000000..47ba6e4
--- /dev/null
+++ b/server/server.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\lib\lib.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>