Additional permission under GPLv3 section 7:

If you modify this Program, or any covered work, by
linking or combining it with OpenSSL, or a modified
version of OpenSSL licensed under the OpenSSL license
(https://www.openssl.org/source/license.html), the licensors of this
Program grant you additional permission to convey the resulting work.                                                                                                   
Corresponding Source for a non-source form of such a combination
shall include the source code for the parts that are licensed
under the OpenSSL license as well as that of the covered work.
