From 5d26311efc7db495bcf030bb8a3cce4c5a75a7fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Ams=C3=BCss?= <camsuess@sysmocom.de>
Date: Fri, 25 Nov 2022 04:00:55 +0100
Subject: [PATCH] OTA: Adjust IV length for AES

Change-Id: I854c844418244c100c328f9e76c0f37850d3db00
---
 pySim/ota.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pySim/ota.py b/pySim/ota.py
index bc4b0a71..80c823eb 100644
--- a/pySim/ota.py
+++ b/pySim/ota.py
@@ -154,7 +154,7 @@ from Crypto.Cipher import DES, DES3, AES
 from Crypto.Hash import CMAC
 
 class OtaAlgo(abc.ABC):
-    iv = b'\x00\x00\x00\x00\x00\x00\x00\x00'
+    iv = property(lambda self: bytes([0] * self.blocksize))
     blocksize = None
     enum_name = None