From f36e9fd39fe8e786a6c0f05c418bb5e1b7bf1c35 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Mon, 10 Jun 2024 11:40:36 +0200
Subject: [PATCH] es9p_client: Use a plausible TAC (copy from lpac)

Some SM-DP+ (notably Idemia) fail if the TAC is not valid.

Change-Id: I48890c4a56147410d0cd5c4e47647b8eb5ad9998
---
 contrib/es9p_client.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/es9p_client.py b/contrib/es9p_client.py
index a2210356..987b85ed 100755
--- a/contrib/es9p_client.py
+++ b/contrib/es9p_client.py
@@ -147,7 +147,7 @@ def do_download(opts):
             ('ctxParamsForCommonAuthentication', {
                 'matchingId': opts.matchingId,
                 'deviceInfo': {
-                    'tac': b'\x00'*8,
+                    'tac': b'\x35\x23\x01\x45', # same as lpac
                     'deviceCapabilities': {},
                     #imei:
                 }