From 28abc69a5ca126032362891955096860501a6dc2 Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Wed, 10 May 2023 01:12:06 +0200 Subject: fix bug in TOTP calculation --- src/authorization/anastasis_authorization_plugin_totp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/authorization/anastasis_authorization_plugin_totp.c b/src/authorization/anastasis_authorization_plugin_totp.c index e1c104a..c127e38 100644 --- a/src/authorization/anastasis_authorization_plugin_totp.c +++ b/src/authorization/anastasis_authorization_plugin_totp.c @@ -188,7 +188,7 @@ compute_totp (int time_off, offset = hmac[sizeof (hmac) - 1] & 0x0f; for (int count = 0; count < 4; count++) - code |= hmac[offset + 3 - count] << (8 * count); + code |= ((uint32_t) hmac[offset + 3 - count]) << (8 * count); code &= 0x7fffffff; /* always use 8 digits (maximum) */ code = code % 100000000; -- cgit v1.2.3