psk

infrastructure/crypto.go

@@ -1,11 +1,13 @@
 package infrastructure
 
 import (
+	"bytes"
 	"fmt"
 	"oc-peer/conf"
 	"os"
 
 	"github.com/libp2p/go-libp2p/core/crypto"
+	"github.com/libp2p/go-libp2p/core/pnet"
 )
 
 func sign(priv crypto.PrivKey, data []byte) ([]byte, error) {
@@ -47,3 +49,18 @@ func VerifyPubWithPriv() bool {
 	}
 	return priv.GetPublic().Equals(pub)
 }
+
+func LoadPSKFromFile() (pnet.PSK, error) {
+	path := conf.GetConfig().PSKPath
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	// Try to unmarshal as libp2p private key (supports ed25519, rsa, etc.)
+	psk, err := pnet.DecodeV1PSK(bytes.NewReader(data))
+	if err != nil {
+		return nil, err
+	}
+	return psk, nil
+}