From b37d38651e057ff08f1c0570e2ce212c2e98dcca Mon Sep 17 00:00:00 2001
From: Maik Riechert <maik.riechert@microsoft.com>
Date: Mon, 20 Mar 2023 16:24:16 +0000
Subject: [PATCH] add signature setter to Sign1Message

---
 pycose/messages/sign1message.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pycose/messages/sign1message.py b/pycose/messages/sign1message.py
index c083c64..d46448a 100644
--- a/pycose/messages/sign1message.py
+++ b/pycose/messages/sign1message.py
@@ -42,6 +42,13 @@ def __init__(self,
     @property
     def signature(self):
         return self._signature
+    
+    @signature.setter
+    def signature(self, value):
+        if not isinstance(value, bytes):
+            raise TypeError("Signature must be of type 'bytes'")
+
+        self._signature = value
 
     def _create_sig_structure(self, detached_payload: Optional[bytes] = None):
         """