From 1d52567cd9500a2cab23e66fd76821dae950f1e5 Mon Sep 17 00:00:00 2001
From: Patrick Winnertz <winnie@debian.org>
Date: Wed, 22 May 2024 22:16:55 +0200
Subject: [PATCH] Fix python3.9+ issue as it is currently already within
 Debian/Ubuntu

---
 util/yubikey-totp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/yubikey-totp b/util/yubikey-totp
index 9ace901..01cdc3d 100755
--- a/util/yubikey-totp
+++ b/util/yubikey-totp
@@ -103,7 +103,7 @@ def make_totp(args):
             print("Serial  : %i" % YK.serial())
         print("")
     # Do challenge-response
-    secret = struct.pack("> Q", args.time / args.step).ljust(64, chr(0x0))
+    secret = struct.pack("> Q", int(args.time / args.step)).ljust(64, bytes.fromhex('00'))
     if args.debug:
         print("Sending challenge : %s\n" % (binascii.hexlify(secret)))
     response = YK.challenge_response(secret, slot=args.slot)