diff --git a/chatroom.go b/chatroom.go
index 693e6ca..e676c11 100644
--- a/chatroom.go
+++ b/chatroom.go
@@ -66,7 +66,11 @@ func (cr *ChatRoom) join() error {
 func (cr *ChatRoom) Publish(content string) error {
 
 	m := message.New(cr.self.Pretty(), cr.topic.String(), []byte(content))
-	m.Sign(key.ExtractSecretKey(secret))
+	k, err := key.NewFromEncodedPrivKey(secret)
+	if err != nil {
+		return fmt.Errorf("failed to create key: %v", err)
+	}
+	m.Sign(k.PrivKey)
 	msgBytes, err := json.Marshal(m)
 	if err != nil {
 		return fmt.Errorf("failed to marshal message: %v", err)
diff --git a/config.go b/config.go
index 64f8b82..e901327 100644
--- a/config.go
+++ b/config.go
@@ -42,8 +42,11 @@ func initConfig(wg *sync.WaitGroup) {
 
 	// If just to generate a secret key, do it and exit
 	if *genenv {
-		k := key.GenerateSecretKey()
-		fmt.Println("export GO_MYSPACE_CLIENT_IDENTITY=" + k)
+		k, err := key.New()
+		if err != nil {
+			log.Fatalf("Failed to generate new key: %v", err)
+		}
+		fmt.Println("export GO_MYSPACE_CLIENT_IDENTITY=" + k.EncodedPrivKey)
 		os.Exit(0)
 	}
 
diff --git a/go.mod b/go.mod
index db30d2b..c20ac1f 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/bahner/go-myspace-client
 go 1.20
 
 require (
-	github.com/bahner/go-myspace v0.0.0-20230815231400-6a8f39c9aac7
+	github.com/bahner/go-myspace v0.0.0-20230816220323-33c73a3a65cd
 	github.com/gdamore/tcell/v2 v2.6.0
 	github.com/ipfs/boxo v0.11.0
 	github.com/libp2p/go-libp2p v0.29.2
diff --git a/go.sum b/go.sum
index 8b437a7..42667aa 100644
--- a/go.sum
+++ b/go.sum
@@ -9,8 +9,8 @@ dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
-github.com/bahner/go-myspace v0.0.0-20230815231400-6a8f39c9aac7 h1:po6WTXiwfOYlAbjJX1gSGgcDm03keaYz3+SYEKLlz8g=
-github.com/bahner/go-myspace v0.0.0-20230815231400-6a8f39c9aac7/go.mod h1:/hfwU36ydjaW7KxPSRm1MH3hxU5NAkTX5V0mKQ7o4ZU=
+github.com/bahner/go-myspace v0.0.0-20230816220323-33c73a3a65cd h1:q+XkaVVkd8O65DniFHLjXNG4NepKFO/tva2lJ2cq4NY=
+github.com/bahner/go-myspace v0.0.0-20230816220323-33c73a3a65cd/go.mod h1:cVQWzqaFSQSBaJzR32YFLBEX6esTPIl7m2+LTAvZi/0=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/benbjohnson/clock v1.3.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/benbjohnson/clock v1.3.5 h1:VvXlSJBzZpA/zum6Sj74hxwYI2DIxRWuNIoXAzHZz5o=
diff --git a/main.go b/main.go
index 1a875fd..4745885 100644
--- a/main.go
+++ b/main.go
@@ -29,7 +29,10 @@ func main() {
 	initConfig(wg)
 	wg.Wait()
 
-	identity := key.CreateIdentity(secret)
+	identity, err := key.DecodePrivKey(secret)
+	if err != nil {
+		panic(err)
+	}
 
 	h := host.New()
 	h.AddOption(libp2p.Identity(identity))
diff --git a/pubsub.go b/pubsub.go
index 83ae3bb..e87e48f 100644
--- a/pubsub.go
+++ b/pubsub.go
@@ -8,7 +8,7 @@ import (
 	"github.com/bahner/go-myspace/p2p/pubsub"
 )
 
-func initPubSubService(ctx context.Context, wg *sync.WaitGroup, h *host.P2pHost) {
+func initPubSubService(ctx context.Context, wg *sync.WaitGroup, h *host.Host) {
 
 	defer wg.Done()