I just compiled the OpenSSL v1.0.1p for all popular MSVC compilers, including MSVC 2015. You can download it (+ the scripts to build it yourself) in the Precompiled OpenSSL page. I basically ported the code from 1.0.2d that fixes a bug that prevents 1.0.1p to be compiled with MSVC 2015. For reference see my bug […]