From 1efe822057c33796c1dd1db600fa247022a9069c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@des.no>
Date: Fri, 11 Apr 2014 10:35:18 +0000
Subject: [PATCH] For TOTP keys, we record when the key was last used.  For
 HOTP keys, however, we want to record the *next* allowed counter value.

git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@794 185d5e19-27fe-0310-9dcf-9bff6b9f3609
---
 lib/liboath/oath_hotp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/liboath/oath_hotp.c b/lib/liboath/oath_hotp.c
index 439b2fc..bfce61e 100644
--- a/lib/liboath/oath_hotp.c
+++ b/lib/liboath/oath_hotp.c
@@ -129,7 +129,7 @@ oath_hotp_match(struct oath_key *k, unsigned int response, int window)
 	for (int i = 0; i < window; ++i) {
 		code = oath_hotp(k->key, k->keylen, k->counter + i, k->digits);
 		if (code == response && !k->dummy) {
-			k->counter = k->counter + i;
+			k->counter = k->counter + i + 1;
 			return (1);
 		}
 	}