Fix the RSA public exponent

hiboo/sso/common.py

@@ -23,7 +23,7 @@ def generate_rsa_certificate(cn):
     """ Generate an RSA key and self signed certificate for SSO signing and encryption.
     """
     key = primitives.asymmetric.rsa.generate_private_key(
-        key_size=RSA_KEY_LENGTH, public_exponent=65535,
+        key_size=RSA_KEY_LENGTH, public_exponent=65537,
         backend=backends.default_backend()
     )
     now = datetime.datetime.utcnow()