diff --git a/KeyStorage.h b/KeyStorage.h
index 655cd17..786e5b4 100644
--- a/KeyStorage.h
+++ b/KeyStorage.h
@@ -44,6 +44,9 @@
 // Checks if path "path" exists.
 bool pathExists(const std::string& path);
 
+bool createSecdiscardable(const std::string& path, std::string* hash);
+bool readSecdiscardable(const std::string& path, std::string* hash);
+
 // Create a directory at the named path, and store "key" in it,
 // in such a way that it can only be retrieved via Keymaster and
 // can be securely deleted.