From b2beb29f72e78c626b004251ef84ab5bbb847f0f Mon Sep 17 00:00:00 2001
From: Peter Dettman <peter.dettman@bouncycastle.org>
Date: Tue, 7 Feb 2023 14:13:28 +0700
Subject: Null check

---
 crypto/src/asn1/Asn1Utilities.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crypto/src/asn1/Asn1Utilities.cs b/crypto/src/asn1/Asn1Utilities.cs
index ae395e4ef..6706ace72 100644
--- a/crypto/src/asn1/Asn1Utilities.cs
+++ b/crypto/src/asn1/Asn1Utilities.cs
@@ -66,6 +66,8 @@ namespace Org.BouncyCastle.Asn1
 
                 throw new ArgumentException(message, nameof(declaredExplicit));
             }
+            if (taggedObject == null)
+                throw new ArgumentNullException(nameof(taggedObject));
 
             return constructor(taggedObject.GetExplicitBaseObject());
         }
-- 
cgit 1.4.1