Linux OpenSSH Encrypion method --- small Query

harmandeep

VirTuaLiZaTioN Freak
Disciple
In default scenario, our ssh client is provided rsa pubkey of our ssh server.
Is this rsa pubkey used Instantly by the client[when we are prompted whether we want to store ssh server host key or NOT] offering both Authentication and Data Encryption ?

Is authentication and further session data is encrypted by ssh client using this same pubkey(which it stores in ~/.ssh/known_hosts file) ?

So if i accept the ssh server rsa pub host key, and then i enter mine credentials to login, would these Creds. be Encrypted using that same pubkey OR indeed mine Credentials are involved in sort of encryption ?

And in above, i am not talking about ssh involving Keys/Passphares for mutual auth and encryption!
 
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