Current Cygwin OpenSSL is 1.0.2r. However OpenSSL 1.1 has been available for several years now:
https://github.com/openssl/openssl/releases/tag/OpenSSL_1_1_0 and certain libraries require OpenSSL 1.1: https://github.com/curl/curl-for-win -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
