+If using the OpenSSL library for encryption, it must be version 1.0.2 or
+later. Note: when compiling against OpenSSL, there is a possible license
+incompatibility. For more details on this, see
+https://people.gnome.org/~markmc/openssl-and-the-gpl.html
+Some Linux distributions have different legal interpretations of this
+possible incompatibility. It is recommended to consult with a lawyer before
+building RPM against OpenSSL.
+Fedora: https://fedoraproject.org/wiki/Licensing:FAQ#What.27s_the_deal_with_the_OpenSSL_license.3F
+Debian: https://lists.debian.org/debian-legal/2002/10/msg00113.html
+
+The OpenSSL crypto library is available from https://www.openssl.org/
+