Ephemeral rendezvous client generates key using seckp256k1 curve

Gopkg.lock

@@ -767,7 +767,7 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:b9b4aaa95bb880c345f400d7de8d5023731f71a9dfd4ff62ec77a74acfda529e"
+  digest = "1:b88d64c27ed467659fa0ee1806bc790b88c37bcbff0b8fcd1b97d6a3ee7f9703"
   name = "github.com/status-im/rendezvous"
   packages = [
     ".",
@@ -775,7 +775,7 @@
     "server",
   ]
   pruneopts = "NUT"
-  revision = "7fe5bc0fd1c58bb7f7bec64656d8b821bec8338f"
+  revision = "55370cdfd9f288059b03c04e23784bb8829a894c"
 
 [[projects]]
   digest = "1:572c783a763db6383aca3179976eb80e4c900f52eba56cba8bb2e3cea7ce720e"

discovery/proxy_test.go

@@ -21,7 +21,7 @@ func TestProxyToRendezvous(t *testing.T) {
 		stop     = make(chan struct{})
 		wg       sync.WaitGroup
 	)
-	client, err := rendezvous.NewTemporary()
+	client, err := rendezvous.NewEphemeral()
 	require.NoError(t, err)
 	reg.Add(topic, id)
 	wg.Add(1)

discovery/rendezvous.go

@@ -75,7 +75,7 @@ func (r *Rendezvous) Running() bool {
 func (r *Rendezvous) Start() error {
 	r.mu.Lock()
 	defer r.mu.Unlock()
-	client, err := rendezvous.NewTemporary()
+	client, err := rendezvous.NewEphemeral()
 	if err != nil {
 		return err
 	}

discovery/rendezvous_test.go

@@ -59,3 +59,18 @@ func TestRendezvousDiscovery(t *testing.T) {
 	close(stop)
 	close(period)
 }
+
+func BenchmarkRendezvousStart(b *testing.B) {
+	identity, err := crypto.GenerateKey()
+	require.NoError(b, err)
+	addr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/7777")
+	require.NoError(b, err)
+	node := discover.NewNode(discover.PubkeyID(&identity.PublicKey), net.IP{10, 10, 10, 10}, 10, 20)
+
+	b.ResetTimer()
+	for n := 0; n < b.N; n++ {
+		c, err := NewRendezvous([]ma.Multiaddr{addr}, identity, node)
+		require.NoError(b, err)
+		require.NoError(b, c.Start())
+	}
+}

vendor/github.com/status-im/rendezvous/client.go

@@ -21,8 +21,8 @@ import (
 
 var logger = log.New("package", "rendezvous/client")
 
-func NewTemporary() (c Client, err error) {
-	priv, _, err := crypto.GenerateKeyPairWithReader(crypto.RSA, 2048, rand.Reader)
+func NewEphemeral() (c Client, err error) {
+	priv, _, err := crypto.GenerateKeyPairWithReader(crypto.Secp256k1, 0, rand.Reader) // bits are ignored with edwards or secp251k1
 	if err != nil {
 		return Client{}, err
 	}