class Net::SSH::Transport::Kex::EcdhSHA2NistP384

key-exchange algorithm. (defined in RFC 5656)
A key-exchange service implementing the “ecdh-sha2-nistp256”

def curve_name 

def curve_name
  OpenSSL::PKey::EC::CurveNameAlias['nistp384']
end

def digester 

def digester
  OpenSSL::Digest::SHA384
end