start implementing more key support

crypto.go

@@ -102,7 +102,13 @@ func keyToCertificate(sk ic.PrivKey) (interface{}, *x509.Certificate, error) {
 		}
 		publicKey = &k.PublicKey
 		privateKey = k
-	// TODO: add support for ECDSA
+	case pb.KeyType_Ed25519:
+		k, err := x509.ParsePKCS1PrivateKey(pbmes.GetData())
+		if err != nil {
+			return nil, nil, err
+		}
+		publicKey = &k.PublicKey
+		privateKey = k
 	default:
 		return nil, nil, errors.New("unsupported key type for TLS")
 	}

crypto_test.go

+package libp2pquic
+
+import (
+	"crypto/rand"
+
+	ic "github.com/libp2p/go-libp2p-crypto"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Crypto", func() {
+	var (
+		serverKey, clientKey ic.PrivKey
+		serverID, clientID   peer.ID
+	)
+
+	Describe("keyToCertificate", func() {
+		It("Ed25519", func() {
+			priv, _, err := ic.GenerateEd25519Key(rand.Reader)
+			Expect(err).ToNot(HaveOccurred())
+			key, cert, err := keyToCertificate(priv)
+			Expect(err).ToNot(HaveOccurred())
+		})
+	})
+})