From c62e94d805fa2900a0d6d723715aaf45f75b6c14 Mon Sep 17 00:00:00 2001
From: Matt Caswell <matt@openssl.org>
Date: Tue, 10 Feb 2015 13:15:25 +0000
Subject: [PATCH] Fix HMAC to pass invalid key len test

Reviewed-by: Richard Levitte <levitte@openssl.org>
---
 crypto/hmac/hmac.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crypto/hmac/hmac.c b/crypto/hmac/hmac.c
index f1fdba42d8..8ee5b2ac19 100644
--- a/crypto/hmac/hmac.c
+++ b/crypto/hmac/hmac.c
@@ -93,7 +93,8 @@ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
                                     &ctx->key_length))
                 goto err;
         } else {
-            OPENSSL_assert(len >= 0 && len <= (int)sizeof(ctx->key));
+            if(len < 0 || len > (int)sizeof(ctx->key))
+                return 0;
             memcpy(ctx->key, key, len);
             ctx->key_length = len;
         }
-- 
2.40.0