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path: root/src/authorization/anastasis_authorization_plugin_totp.c
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Diffstat (limited to 'src/authorization/anastasis_authorization_plugin_totp.c')
-rw-r--r--src/authorization/anastasis_authorization_plugin_totp.c2
1 files changed, 1 insertions, 1 deletions
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;