I'm new in SSL concept , Sorry I don't know my question is correct or not ...
Recently I wanna know root_certificates.hpp should be specific for every clients? I mean that clients should create it by openssl?? or it's general and all clients can use it?
root_certificates.hpp is only there to make the examples portable.
On your system, you typically can use set_default_verify_paths.
If your application additional requirements, which is often, you will want to include your own certificate store in the way that your application chooses. There are more details to customize the verification process: https://www.boost.org/doc/libs/1_80_0/doc/html/boost_asio/reference/ssl__context.html (see also https://www.boost.org/doc/libs/1_80_0/doc/html/boost_asio/reference/ssl__stream/set_verify_callback.html).
