diff --git a/client/netwrapper.py b/client/netwrapper.py
index 8671fd1..369bc9a 100644
--- a/client/netwrapper.py
+++ b/client/netwrapper.py
@@ -26,9 +26,9 @@ class NetWrapper:
                               allowed_chars: str = string.ascii_letters + string.punctuation) -> str:
         return ''.join(random.choice(allowed_chars) for x in range(str_size))
 
-    def ecryptRSAMessage(self, message: str) -> bytes:
+    def ecryptRSAMessage(self, message: bytes) -> bytes:
         cipher_rsa = PKCS1_OAEP.new(self.serverPubKey)
-        encrypted_msg = cipher_rsa.encrypt(message.encode('UTF-8'))
+        encrypted_msg = cipher_rsa.encrypt(message)
         return encrypted_msg
 
     def signRSAHeader(self, type: str, extradata: dict) -> (bytes, bytes):
@@ -58,7 +58,7 @@ class NetWrapper:
         return decodedmsg, json.loads(b64decode(decodedmsg['header']).decode('UTF-8'))
 
     def identifyServer(self) -> bool:
-        randommsg = self.randomStringGenerator()
+        randommsg = self.randomStringGenerator().encode('UTF-8')
         encrypted_msg = self.ecryptRSAMessage(randommsg)
         header, headersignature = self.signRSAHeader('IDY', {'username': self.username})
         identMsg = json.dumps(
@@ -80,7 +80,7 @@ class NetWrapper:
 
     def createEncryptedChannel(self) -> None:
         dh = pyDH.DiffieHellman()
-        mypubkey = self.ecryptRSAMessage(str(dh.gen_public_key()))
+        mypubkey = self.ecryptRSAMessage(str(dh.gen_public_key()).encode('UTF-8'))
         header, headersignature = self.signRSAHeader("DH",{})
         jsonmsg = json.dumps(
             {'header': b64encode(header).decode('UTF-8'), 'headersignature': b64encode(headersignature).decode('UTF-8'),