From 418cff799556db987e59bbedb0e3ec1344b52089 Mon Sep 17 00:00:00 2001
From: Ingela Anderton Andin <ingela@erlang.org>
Date: Tue, 17 Jul 2018 17:50:04 +0200
Subject: ssl: Improve error message

---
 lib/ssl/src/tls_handshake.erl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl
index f1eecb2875..7f5c2e07f6 100644
--- a/lib/ssl/src/tls_handshake.erl
+++ b/lib/ssl/src/tls_handshake.erl
@@ -126,6 +126,9 @@ hello(#client_hello{client_version = ClientVersion,
 		handle_client_hello(Version, Hello, SslOpts, Info, Renegotiation)
 	end
     catch
+        error:{case_clause,{asn1, Asn1Reason}} ->
+	    %% ASN-1 decode of certificate somehow failed
+            ?ALERT_REC(?FATAL, ?INTERNAL_ERROR, {failed_to_decode_own_certificate, Asn1Reason});
 	_:_ ->
 	    ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE, malformed_handshake_data)
     end.  
-- 
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