You may also try online tool that classifies keys based on the results from paper: http://crcs.cz/rsapp/ http://crcs.cz/rsapp/ Just insert encoded certificate o

You may also try online tool that classifies keys based on the results from paper: http://crcs.cz/rsapp/ http://crcs.cz/rsapp/ Just insert encoded certificate or URL to https server and let tool to tell you what library generated that key(s). If you will provide 5 keys all generated by the same library, the correct library should be within top three most probable sources with high (>95%) probability. (if not, please submit feedback :))