Added null-check for keys in ValidSymmetricAlgorithm() (#405)

* Added null-check for keys in ValidSymmetricAlgorithm()
jwt-dotnet · Jun 8, 2022 · 070389b · 070389b
1 parent a898f88
commit 070389b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/JWT/JwtDecoder.cs b/src/JWT/JwtDecoder.cs
@@ -266,6 +266,8 @@ private string Decode(JwtParts jwt)
 
         private void ValidSymmetricAlgorithm(byte[][] keys, string decodedPayload, IJwtAlgorithm algorithm, byte[] bytesToSign, byte[] decodedSignature)
         {
+            if (keys is null)
+                throw new ArgumentNullException(nameof(keys));
             if (!AllKeysHaveValues(keys))
                 throw new ArgumentOutOfRangeException(nameof(keys));