diff --git a/src/Handler/StorageKey.hs b/src/Handler/StorageKey.hs
new file mode 100644
index 000000000..ea00a4bd7
--- /dev/null
+++ b/src/Handler/StorageKey.hs
@@ -0,0 +1,46 @@
+module Handler.StorageKey
+  ( postStorageKeyR
+  ) where
+
+import Import
+
+-- import qualified Data.Binary as Binary
+
+
+data StorageKeyType
+  = SKTExamCorrect ExamId
+    -- { sktExamCorrectExamId :: ExamId
+    -- }
+deriveJSON defaultOptions
+  { fieldLabelModifier     = camelToPathPiece' 3
+  , constructorTagModifier = camelToPathPiece' 3
+  } ''StorageKeyType
+
+data StorageKeyRequest
+  = StorageKeyRequest
+    { skReqType      :: StorageKeyType
+    , skReqTimestamp :: Maybe UTCTime
+    , skReqSalt      :: Maybe Text
+    , skReqLength    :: Int
+    }
+deriveJSON defaultOptions
+  { fieldLabelModifier = camelToPathPiece' 2
+  } ''StorageKeyRequest
+
+data StorageKeyResponse
+  = StorageKeyResponse
+    { skResKey :: Text
+    }
+deriveJSON defaultOptions
+  { fieldLabelModifier     = camelToPathPiece' 2
+  , constructorTagModifier = camelToPathPiece' 2
+  } ''StorageKeyResponse
+
+
+postStorageKeyR :: Handler Value
+postStorageKeyR = do
+  StorageKeyRequest{..} <- requireCheckJsonBody
+
+  let key = "TODO"
+
+  sendResponseStatus ok200 $ toJSON StorageKeyResponse{ skResKey = key }