diff --git a/src/Microsoft.DotNet.Compiler.Common/project.json b/src/Microsoft.DotNet.Compiler.Common/project.json
index 3bd797244..33a18ddb1 100644
--- a/src/Microsoft.DotNet.Compiler.Common/project.json
+++ b/src/Microsoft.DotNet.Compiler.Common/project.json
@@ -1,6 +1,10 @@
 {
     "version": "1.0.0-*",
 
+    "compilationOptions": {
+        "keyFile": "../../tools/Key.snk"
+    },
+
     "dependencies": {
         "System.Reflection": "4.0.10-rc2-23616",
         "NETStandard.Library": "1.0.0-rc2-23616",
diff --git a/src/Microsoft.DotNet.ProjectModel.Loader/project.json b/src/Microsoft.DotNet.ProjectModel.Loader/project.json
index 8fb750e90..a2e50a291 100644
--- a/src/Microsoft.DotNet.ProjectModel.Loader/project.json
+++ b/src/Microsoft.DotNet.ProjectModel.Loader/project.json
@@ -1,5 +1,8 @@
 {
     "version": "1.0.0-*",
+    "compilationOptions": {
+        "keyFile": "../../tools/Key.snk"
+    },
     "dependencies": {
         "NETStandard.Library": "1.0.0-rc2-23616",
         "Microsoft.DotNet.ProjectModel": "1.0.0-*",
diff --git a/src/Microsoft.DotNet.ProjectModel.Workspaces/project.json b/src/Microsoft.DotNet.ProjectModel.Workspaces/project.json
index 408da528c..1b2b97dc8 100644
--- a/src/Microsoft.DotNet.ProjectModel.Workspaces/project.json
+++ b/src/Microsoft.DotNet.ProjectModel.Workspaces/project.json
@@ -1,5 +1,8 @@
 {
     "version": "1.0.0-*",
+    "compilationOptions": {
+        "keyFile": "../../tools/Key.snk"
+    },
     "dependencies": {
         "NETStandard.Library": "1.0.0-rc2-23616",
         "Microsoft.DotNet.ProjectModel": "1.0.0-*",
diff --git a/src/Microsoft.DotNet.ProjectModel/project.json b/src/Microsoft.DotNet.ProjectModel/project.json
index b9baad7e4..b3d58d43b 100644
--- a/src/Microsoft.DotNet.ProjectModel/project.json
+++ b/src/Microsoft.DotNet.ProjectModel/project.json
@@ -1,5 +1,8 @@
 {
     "version": "1.0.0-*",
+    "compilationOptions": {
+        "keyFile": "../../tools/Key.snk"
+    },
     "description": "Types to model a .NET Project",
     "dependencies": {
         "NETStandard.Library": "1.0.0-rc2-23616",
diff --git a/src/Microsoft.DotNet.Runtime/project.json b/src/Microsoft.DotNet.Runtime/project.json
index dd5da7d01..26103a0f9 100644
--- a/src/Microsoft.DotNet.Runtime/project.json
+++ b/src/Microsoft.DotNet.Runtime/project.json
@@ -1,7 +1,7 @@
 {
   "version": "1.0.0-*",
   "compilationOptions": {
-      "emitEntryPoint": true
+    "emitEntryPoint": true
   },
 
   "dependencies": {
diff --git a/src/Microsoft.Extensions.DependencyModel/project.json b/src/Microsoft.Extensions.DependencyModel/project.json
index 1d2308e67..1cade77eb 100644
--- a/src/Microsoft.Extensions.DependencyModel/project.json
+++ b/src/Microsoft.Extensions.DependencyModel/project.json
@@ -6,7 +6,8 @@
     "url": "git://github.com/dotnet/cli"
   },
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
     "Newtonsoft.Json": "7.0.1"
diff --git a/src/Microsoft.Extensions.Testing.Abstractions/project.json b/src/Microsoft.Extensions.Testing.Abstractions/project.json
index ac9342317..98036c680 100644
--- a/src/Microsoft.Extensions.Testing.Abstractions/project.json
+++ b/src/Microsoft.Extensions.Testing.Abstractions/project.json
@@ -6,7 +6,8 @@
     "url": "git://github.com/dotnet/cli"
   },
   "compilationOptions": {
-    "warningsAsErrors": true
+    "warningsAsErrors": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "dependencies": {
     "Newtonsoft.Json": "7.0.1",
diff --git a/tools/Key.snk b/tools/Key.snk
new file mode 100644
index 000000000..e10e4889c
Binary files /dev/null and b/tools/Key.snk differ