-BN_zero(), BN_one() and BN_set_word() are available in all versions of
-SSLeay and OpenSSL. BN_value_one() and BN_get_word() were added in
-SSLeay 0.8.
+Licensed under the OpenSSL license (the "License"). You may not use
+this file except in compliance with the License. You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.