From 6c3c017a94dcfb5141ae725755e703c7e35ee5c6 Mon Sep 17 00:00:00 2001
From: Mingye Chen <mingye.chen@colorado.edu>
Date: Sat, 1 Mar 2025 19:32:38 -0700
Subject: [PATCH] fix: nil dereference in when getting public master secret

---
 internal/tls13/u_tls13.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/internal/tls13/u_tls13.go b/internal/tls13/u_tls13.go
index 56b3c17..9e5a682 100644
--- a/internal/tls13/u_tls13.go
+++ b/internal/tls13/u_tls13.go
@@ -23,4 +23,9 @@ func NewMasterSecretFromSecret[H fips140.Hash](hash func() H, secret []byte) *Ma
 	}
 }
 
-func (s *MasterSecret) Secret() []byte { return s.secret }
+func (s *MasterSecret) Secret() []byte {
+	if s != nil {
+		return s.secret
+	}
+	return nil
+}