From f55e2fa7b9d4692b31ad7ad72e71915e853de384 Mon Sep 17 00:00:00 2001
From: Matt Caswell <matt@openssl.org>
Date: Thu, 19 Apr 2018 10:38:57 +0100
Subject: [PATCH] Fix the alert sent if no shared sig algs

We were sending illegal parameter. This isn't correct. The parameters are
legal, we just don't have an overlap. A more appropriate alert is
handshake failure.

Fixes #2919

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6010)
---
 ssl/t1_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index 5ba7377fe3..6f4078e88e 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -2800,7 +2800,7 @@ int tls1_set_server_sigalgs(SSL *s)
         if (!s->cert->shared_sigalgs) {
             SSLerr(SSL_F_TLS1_SET_SERVER_SIGALGS,
                    SSL_R_NO_SHARED_SIGNATURE_ALGORITHMS);
-            al = SSL_AD_ILLEGAL_PARAMETER;
+            al = SSL_AD_HANDSHAKE_FAILURE;
             goto err;
         }
     } else {
-- 
2.25.1