Method AddHostKey

server.go:357–376

AddHostKey adds a private key as a host key. If an existing host key exists with the same algorithm, it is overwritten. Each server config must have at least one host key.

(key Signer)

// with the same algorithm, it is overwritten. Each server config must have at
// least one host key.
func (srv *Server) AddHostKey(key Signer) {
	srv.mu.Lock()
	defer srv.mu.Unlock()

	// these are later added via AddHostKey on ServerConfig, which performs the
	// check for one of every algorithm.

	// This check is based on the AddHostKey method from the x/crypto/ssh
	// library. This allows us to only keep one active key for each type on a
	// server at once. So, if you're dynamically updating keys at runtime, this
	// list will not keep growing.
	for i, k := range srv.HostSigners {
		if k.PublicKey().Type() == key.PublicKey().Type() {
			srv.HostSigners[i] = key
			return
		}
	}

	srv.HostSigners = append(srv.HostSigners, key)
}

// SetOption runs a functional option against the server.
func (srv *Server) SetOption(option Option) error {