diff --git a/CLI/CLI.csproj b/CLI/CLI.csproj
index f02677b..88c72ae 100644
--- a/CLI/CLI.csproj
+++ b/CLI/CLI.csproj
@@ -1,5 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
+  <ItemGroup>
+    <ProjectReference Include="..\Common\Common.csproj" />
+  </ItemGroup>
+
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net7.0</TargetFramework>
diff --git a/CLI/obj/CLI.csproj.nuget.dgspec.json b/CLI/obj/CLI.csproj.nuget.dgspec.json
index 33f6a2a..e89a5f4 100644
--- a/CLI/obj/CLI.csproj.nuget.dgspec.json
+++ b/CLI/obj/CLI.csproj.nuget.dgspec.json
@@ -23,6 +23,64 @@
         "sources": {
           "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {}
         },
+        "frameworks": {
+          "net7.0": {
+            "targetAlias": "net7.0",
+            "projectReferences": {
+              "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj": {
+                "projectPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj"
+              }
+            }
+          }
+        },
+        "warningProperties": {
+          "warnAsError": [
+            "NU1605"
+          ]
+        }
+      },
+      "frameworks": {
+        "net7.0": {
+          "targetAlias": "net7.0",
+          "imports": [
+            "net461",
+            "net462",
+            "net47",
+            "net471",
+            "net472",
+            "net48",
+            "net481"
+          ],
+          "assetTargetFallback": true,
+          "warn": true,
+          "frameworkReferences": {
+            "Microsoft.NETCore.App": {
+              "privateAssets": "all"
+            }
+          },
+          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\7.0.201\\RuntimeIdentifierGraph.json"
+        }
+      }
+    },
+    "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj": {
+      "version": "1.0.0",
+      "restore": {
+        "projectUniqueName": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj",
+        "projectName": "Common",
+        "projectPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj",
+        "packagesPath": "C:\\Users\\Typo\\.nuget\\packages\\",
+        "outputPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\obj\\",
+        "projectStyle": "PackageReference",
+        "configFilePaths": [
+          "C:\\Users\\Typo\\AppData\\Roaming\\NuGet\\NuGet.Config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+        ],
+        "originalTargetFrameworks": [
+          "net7.0"
+        ],
+        "sources": {
+          "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {}
+        },
         "frameworks": {
           "net7.0": {
             "targetAlias": "net7.0",
diff --git a/CLI/obj/project.assets.json b/CLI/obj/project.assets.json
index b732797..4e24034 100644
--- a/CLI/obj/project.assets.json
+++ b/CLI/obj/project.assets.json
@@ -1,11 +1,30 @@
 {
   "version": 3,
   "targets": {
-    "net7.0": {}
+    "net7.0": {
+      "Common/1.0.0": {
+        "type": "project",
+        "framework": ".NETCoreApp,Version=v7.0",
+        "compile": {
+          "bin/placeholder/Common.dll": {}
+        },
+        "runtime": {
+          "bin/placeholder/Common.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "Common/1.0.0": {
+      "type": "project",
+      "path": "../Common/Common.csproj",
+      "msbuildProject": "../Common/Common.csproj"
+    }
   },
-  "libraries": {},
   "projectFileDependencyGroups": {
-    "net7.0": []
+    "net7.0": [
+      "Common >= 1.0.0"
+    ]
   },
   "packageFolders": {
     "C:\\Users\\Typo\\.nuget\\packages\\": {}
@@ -32,7 +51,11 @@
       "frameworks": {
         "net7.0": {
           "targetAlias": "net7.0",
-          "projectReferences": {}
+          "projectReferences": {
+            "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj": {
+              "projectPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj"
+            }
+          }
         }
       },
       "warningProperties": {
diff --git a/CLI/obj/project.nuget.cache b/CLI/obj/project.nuget.cache
index 8cb7570..e699f28 100644
--- a/CLI/obj/project.nuget.cache
+++ b/CLI/obj/project.nuget.cache
@@ -1,6 +1,6 @@
 {
   "version": 2,
-  "dgSpecHash": "/TrcOrQwy4M32zxEcS8h60kZ6Jz029hDeCC3np4mZDLAABrP89YQxREx287M8JF4+yo9oxX7E68CT2Ot57xbJQ==",
+  "dgSpecHash": "iautXyRXvsxxILWht5t5ThhZbr6538LnjRHcyPUoCeNJ6GODVpJs1jI3nD5v9qZrsKkWA40tDb8pjyZBM3bY9A==",
   "success": true,
   "projectFilePath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\CLI\\CLI.csproj",
   "expectedPackageFiles": [],
diff --git a/GUI/GUI.csproj b/GUI/GUI.csproj
index 9214b82..301e2e6 100644
--- a/GUI/GUI.csproj
+++ b/GUI/GUI.csproj
@@ -1,5 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
+  <ItemGroup>
+    <ProjectReference Include="..\Common\Common.csproj" />
+  </ItemGroup>
+
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>net7.0-windows</TargetFramework>
diff --git a/GUI/obj/GUI.csproj.nuget.dgspec.json b/GUI/obj/GUI.csproj.nuget.dgspec.json
index 693ba3c..2d505ab 100644
--- a/GUI/obj/GUI.csproj.nuget.dgspec.json
+++ b/GUI/obj/GUI.csproj.nuget.dgspec.json
@@ -4,6 +4,60 @@
     "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\GUI\\GUI.csproj": {}
   },
   "projects": {
+    "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj": {
+      "version": "1.0.0",
+      "restore": {
+        "projectUniqueName": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj",
+        "projectName": "Common",
+        "projectPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj",
+        "packagesPath": "C:\\Users\\Typo\\.nuget\\packages\\",
+        "outputPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\obj\\",
+        "projectStyle": "PackageReference",
+        "configFilePaths": [
+          "C:\\Users\\Typo\\AppData\\Roaming\\NuGet\\NuGet.Config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+        ],
+        "originalTargetFrameworks": [
+          "net7.0"
+        ],
+        "sources": {
+          "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {}
+        },
+        "frameworks": {
+          "net7.0": {
+            "targetAlias": "net7.0",
+            "projectReferences": {}
+          }
+        },
+        "warningProperties": {
+          "warnAsError": [
+            "NU1605"
+          ]
+        }
+      },
+      "frameworks": {
+        "net7.0": {
+          "targetAlias": "net7.0",
+          "imports": [
+            "net461",
+            "net462",
+            "net47",
+            "net471",
+            "net472",
+            "net48",
+            "net481"
+          ],
+          "assetTargetFallback": true,
+          "warn": true,
+          "frameworkReferences": {
+            "Microsoft.NETCore.App": {
+              "privateAssets": "all"
+            }
+          },
+          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\7.0.201\\RuntimeIdentifierGraph.json"
+        }
+      }
+    },
     "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\GUI\\GUI.csproj": {
       "version": "1.0.0",
       "restore": {
@@ -26,7 +80,11 @@
         "frameworks": {
           "net7.0-windows7.0": {
             "targetAlias": "net7.0-windows",
-            "projectReferences": {}
+            "projectReferences": {
+              "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj": {
+                "projectPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj"
+              }
+            }
           }
         },
         "warningProperties": {
diff --git a/GUI/obj/project.assets.json b/GUI/obj/project.assets.json
index 130067b..71a1a23 100644
--- a/GUI/obj/project.assets.json
+++ b/GUI/obj/project.assets.json
@@ -1,11 +1,30 @@
 {
   "version": 3,
   "targets": {
-    "net7.0-windows7.0": {}
+    "net7.0-windows7.0": {
+      "Common/1.0.0": {
+        "type": "project",
+        "framework": ".NETCoreApp,Version=v7.0",
+        "compile": {
+          "bin/placeholder/Common.dll": {}
+        },
+        "runtime": {
+          "bin/placeholder/Common.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "Common/1.0.0": {
+      "type": "project",
+      "path": "../Common/Common.csproj",
+      "msbuildProject": "../Common/Common.csproj"
+    }
   },
-  "libraries": {},
   "projectFileDependencyGroups": {
-    "net7.0-windows7.0": []
+    "net7.0-windows7.0": [
+      "Common >= 1.0.0"
+    ]
   },
   "packageFolders": {
     "C:\\Users\\Typo\\.nuget\\packages\\": {}
@@ -32,7 +51,11 @@
       "frameworks": {
         "net7.0-windows7.0": {
           "targetAlias": "net7.0-windows",
-          "projectReferences": {}
+          "projectReferences": {
+            "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj": {
+              "projectPath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\Common\\Common.csproj"
+            }
+          }
         }
       },
       "warningProperties": {
diff --git a/GUI/obj/project.nuget.cache b/GUI/obj/project.nuget.cache
index 75b204b..cf0ea15 100644
--- a/GUI/obj/project.nuget.cache
+++ b/GUI/obj/project.nuget.cache
@@ -1,6 +1,6 @@
 {
   "version": 2,
-  "dgSpecHash": "xaQBQGwURe1doe22aGJbi0HP95BxuO3cRTGnqxZ81KyO175G+7XH7+HrQ+5nqIv097lQVB83fMvc2QzSX3cXAA==",
+  "dgSpecHash": "aNfKBkpK2vpMR5TV5R0N7gIG6sWOCNgDfo1Edbdl0wsRp7WCCT9EoYodbYHsN2A9dPzRUNh4VuSxORXLXNep6w==",
   "success": true,
   "projectFilePath": "C:\\Users\\Typo\\Projects\\Windows-Password-Manager\\GUI\\GUI.csproj",
   "expectedPackageFiles": [],