There is a ugly solution to this:
http://christophermckinney.net/synergy-libssl1-0-0-missing-dependency-on-debian-9-stretch/
it installs the libssl1.0.0 for jessie
Related to ticket BDS-46
There is a ugly solution to this:
http://christophermckinney.net/synergy-libssl1-0-0-missing-dependency-on-debian-9-stretch/
it installs the libssl1.0.0 for jessie