-# Copyright
+# Copyright (C) 2012 W. Trevor King <wking@tremily.us>
+#
+# This file is part of pgp-mime.
+#
+# pgp-mime is free software: you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version.
+#
+# pgp-mime is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# pgp-mime. If not, see <http://www.gnu.org/licenses/>.
"""A Python version of GPGME verification signatures.