From 958f0384dbb11930930b8e9dbd8dfa004204a253 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Ams=C3=BCss?= <camsuess@sysmocom.de>
Date: Fri, 19 Aug 2022 20:18:07 +0200
Subject: [PATCH] OTA: Set PCNT (padding count) in messages

Change-Id: Ia3cb4222ebe7f8922c96509a94cf126db3dea14c
---
 pySim/ota.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pySim/ota.py b/pySim/ota.py
index c2b475eb..31b5040d 100644
--- a/pySim/ota.py
+++ b/pySim/ota.py
@@ -344,7 +344,9 @@ class OtaDialectSms(OtaDialect):
         if spi['ciphering']: # ciphering is requested
             # append padding bytes to end up with blocksize
             len_cipher = 6 + len_sig + len(apdu)
-            apdu += otak.crypt._get_padding(len_cipher, otak.crypt.blocksize)
+            padding = otak.crypt._get_padding(len_cipher, otak.crypt.blocksize)
+            pad_cnt = len(padding)
+            apdu += padding
 
         kic = {'key': otak.kic_idx, 'algo': otak.algo_crypt}
         kid = {'key': otak.kid_idx, 'algo': otak.algo_auth}