`libeay32.dll` is an encryption library that is compatible with both x86 and x64. It is provided by several security projects including openssl. You can install openssl by following these instructions: https://github.com/ros2/ros2/wiki/Windows-Install-Binary#install-openssl Hope this helps --- [Visit Topic](https://discourse.ros.org/t/ros2-windows-libeay32/3234/2) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: