diff --git a/packaging/dotnet-core/.gitignore b/packaging/dotnet-core/.gitignore
index a60017e7..827f395a 100644
--- a/packaging/dotnet-core/.gitignore
+++ b/packaging/dotnet-core/.gitignore
@@ -2,3 +2,4 @@ build
 cache
 temp
 Makefile
+!recipes/*
diff --git a/packaging/dotnet-core/recipes/build b/packaging/dotnet-core/recipes/build
new file mode 100644
index 00000000..a5ffe270
--- /dev/null
+++ b/packaging/dotnet-core/recipes/build
@@ -0,0 +1,9 @@
+cd ~
+tar xzf /io/libsodium.tar.gz
+cd libsodium-*
+./configure
+make
+make check
+make install
+strip --strip-all /usr/local/lib/libsodium.so
+cp /usr/local/lib/libsodium.so /io/output