From cc604d23befdfc6f097815e285dc85a09b47e0b0 Mon Sep 17 00:00:00 2001
From: toddouska <todd@wolfssl.com>
Date: Thu, 30 Jul 2015 16:45:31 -0700
Subject: [PATCH] fix psk no server hint sanity check

---
 src/internal.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/internal.c b/src/internal.c
index fa4208c44..e4b6d9536 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -4780,9 +4780,17 @@ static int SanityCheckMsgReceived(WOLFSSL* ssl, byte type)
                 }
             }
             if (ssl->msgsReceived.got_server_key_exchange == 0) {
+                int pskNoServerHint = 0;  /* not required in this case */
+
+                #ifndef NO_PSK
+                    if (ssl->specs.kea == psk_kea &&
+                                               ssl->arrays->server_hint[0] == 0)
+                        pskNoServerHint = 1;
+                #endif
                 if (ssl->specs.static_ecdh == 1 ||
                     ssl->specs.kea == rsa_kea ||
-                    ssl->specs.kea == ntru_kea) {
+                    ssl->specs.kea == ntru_kea ||
+                    pskNoServerHint) {
                     WOLFSSL_MSG("No KeyExchange required");
                 } else {
                     WOLFSSL_MSG("No ServerKeyExchange before ServerDone");