From f08a7d01be4ca85638fda30a100c8888831152b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Fri, 18 Apr 1997 22:07:17 +0200
Subject: [PATCH] Disallow empty keys in set_key()
Rev: src/modules/_Crypto/rc4.c:1.5
---
src/modules/_Crypto/rc4.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/modules/_Crypto/rc4.c b/src/modules/_Crypto/rc4.c
index 491d0f1052..90dc821cf1 100644
--- a/src/modules/_Crypto/rc4.c
+++ b/src/modules/_Crypto/rc4.c
@@ -16,7 +16,7 @@
#include "rc4.h"
-RCSID("$Id: rc4.c,v 1.4 1997/03/14 22:17:11 nisse Exp $");
+RCSID("$Id: rc4.c,v 1.5 1997/04/18 20:07:17 nisse Exp $");
/* Module specific includes */
#include "precompiled_crypto.h"
@@ -62,6 +62,8 @@ static void f_set_key(INT32 args)
if (sp[-1].type != T_STRING) {
error("Bad argument 1 to rc4->set_key()\n");
}
+ if (!sp[-1].u.string->len)
+ error("Empty key to rc4_set_key()\n");
rc4_set_key(THIS, (unsigned INT8 *) sp[-1].u.string->str, sp[-1].u.string->len);
pop_n_elems(args);
--
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