Add support for a 'cause' Exception to TlsFatalAlert and use

1 files changed, 4 insertions, 3 deletions

diff --git a/crypto/src/crypto/tls/TlsUtilities.cs b/crypto/src/crypto/tls/TlsUtilities.cs

index bd5362e5b..33d10dcd0 100644
--- a/crypto/src/crypto/tls/TlsUtilities.cs
+++ b/crypto/src/crypto/tls/TlsUtilities.cs
@@ -1016,12 +1016,13 @@ namespace Org.BouncyCastle.Crypto.Tls
                 }
 
                 // TODO Add support for ClientCertificateType.*_fixed_*
+
+                throw new TlsFatalAlert(AlertDescription.unsupported_certificate);
             }
-            catch (Exception)
+            catch (Exception e)
             {
+                throw new TlsFatalAlert(AlertDescription.unsupported_certificate, e);
             }
-
-            throw new TlsFatalAlert(AlertDescription.unsupported_certificate);
         }
 
         internal static void TrackHashAlgorithms(TlsHandshakeHash handshakeHash, IList supportedSignatureAlgorithms)