--- a/cinst/windowsstore.h	Wed Mar 26 09:10:46 2014 +0100
+++ b/cinst/windowsstore.h	Wed Mar 26 09:12:10 2014 +0100
@@ -4,14 +4,19 @@
 
 #include <windows.h>
 #include <wincrypt.h>
-/** @brief Install certificates into Windows store
+
+#include <stdbool.h>
+
+/** @brief Access the Windows certificate store
  *
- * @param [in] to_install NULL terminated array of base64 encoded certificates.
+ * @param [in] to_install strv of DER encoded certificates to be added.
+ * @param [in] to_remove strv of DER encoded certificates to be remvoed.
  * @param [in] user_store set to True if the certificates should be installed
  *             only for the current user. O for system wide installation.
  * @returns 0 on success an errorcode otherwise.
  */
-int install_certificates_win(const char **to_install, int user_store)
+int write_stores_win (char **to_install, char **to_remove,
+                      bool user_store);
 
 #endif // WINDOWSSTORE_H
 #endif // WIN32