diff --git a/server_twokey.py b/server_twokey.py
new file mode 100644
index 0000000..61bbd01
--- /dev/null
+++ b/server_twokey.py
@@ -0,0 +1,8 @@
+import rsa
+def server_twokey():
+    pubkey, privkey = rsa.newkeys(1024)
+    pub = pubkey.save_pkcs1()
+    pri = privkey.save_pkcs1("PEM")
+    with open("./Bpubkey.pem", mode="wb") as f, open("./Bprivkey.pem", mode="wb") as f1:
+        f.write(pub)
+        f1.write(pri)