Social Media Toolkit should be unrelated to your SSL certification. If SSL exists on the site currently, adding share buttons will not cause any issues.
Have a good evening
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.