Imports github.com/google/uuid github.com/pkg/errors golang.org/x/crypto/ocsp tailscale.com/derp tailscale.com/derp/derphttp tailscale.com/net/stun tailscale.com/tailcfg tailscale.com/types/key tailscale.com/types/logger tailscale.com/util/multierr Standard library imports bytes context crypto/rand crypto/tls crypto/x509 encoding/json errors expvar fmt hash/fnv io log math/rand net net/http os sort strconv strings sync time