From c41995c5f3735174f455607f8483f4218e381dd2 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 19 Sep 2013 14:39:44 +0200
Subject: [PATCH] use correct size to hex decode salt

This fixes "stack smashing detected" (Issue #26)
---
 util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util.c b/util.c
index fda8810..841a9ee 100644
--- a/util.c
+++ b/util.c
@@ -269,7 +269,7 @@ load_chalresp_state(FILE *f, CR_STATE *state, bool verbose)
             challenge_hex, response_hex, salt_hex, iterations, slot));
     }
 
-    yubikey_hex_decode(state->salt, salt_hex, sizeof(state->challenge));
+    yubikey_hex_decode(state->salt, salt_hex, sizeof(state->salt));
     state->salt_len = strlen(salt_hex) / 2;
   } else {
     rewind(f);