remove "libcrypto" since it was not really used

init.go

@@ -57,13 +57,12 @@ func main() {
 		saveConfig(config)
 	}
 
-	// Initialize P2P
-	var nodeErr error
-	hostID, nodeErr = initP2P()
+	// Generate Host ID
+	hostID, nodeErr := generateHostID()
 	if nodeErr != nil {
-		log.Fatalf("Failed to initialize P2P: %v", nodeErr)
+		log.Fatalf("Failed to generate host ID: %v", nodeErr)
 	}
-	config.PeerID = hostID.String()
+	config.PeerID = hostID
 
 	if len(config.Peers) > 0 {
 		time.Sleep(2 * time.Second) // Give some time for connections to establish

node.go

@@ -10,10 +10,6 @@ import (
 	"net/http"
 	"sync"
 	"time"
-
-	libp2p "github.com/libp2p/go-libp2p"
-	crypto "github.com/libp2p/go-libp2p-core/crypto"
-	"github.com/libp2p/go-libp2p-core/peer"
 )
 
 var (
@@ -21,7 +17,7 @@ var (
 	peers         []string
 	authMutex     sync.Mutex
 	authenticated = make(map[string]bool)
-	hostID        peer.ID
+	hostID        string
 )
 
 type Message struct {
@@ -43,18 +39,13 @@ func loadNodeConfig() {
 	peers = config.Peers
 }
 
-func initP2P() (peer.ID, error) {
-	priv, _, err := crypto.GenerateKeyPairWithReader(crypto.Ed25519, 2048, rand.Reader)
+func generateHostID() (string, error) {
+	bytes := make([]byte, 16)
+	_, err := rand.Read(bytes)
 	if err != nil {
-		return "", fmt.Errorf("failed to generate key pair: %v", err)
+		return "", fmt.Errorf("failed to generate host ID: %v", err)
 	}
-
-	h, err := libp2p.New(libp2p.Identity(priv))
-	if err != nil {
-		return "", fmt.Errorf("failed to create libp2p host: %v", err)
-	}
-
-	return h.ID(), nil
+	return fmt.Sprintf("%x", bytes), nil
 }
 
 func sendMessage(serverAddr string, msg Message) error {
@@ -118,7 +109,7 @@ func startNodeClient() {
 	for {
 		for _, peerAddr := range peers {
 			msg := Message{
-				ID:      hostID.Pretty(),
+				ID:      hostID,
 				Type:    "test",
 				Content: "This is a test message from the client node",
 			}