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From e6bad0789c731f06de781997e33e864c71510ff2 Mon Sep 17 00:00:00 2001
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From: Petr Mensik <pemensik@redhat.com>
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Date: Thu, 21 Feb 2019 12:36:17 +0100
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Subject: [PATCH] Disable autodetected ED448 algorithm support
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Implementation is broken in bind, disabled also in more recent versions.
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Makes bin/tests/system/dnssec fail.
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---
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 configure.in | 9 +++++++--
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 1 file changed, 7 insertions(+), 2 deletions(-)
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diff --git a/configure.in b/configure.in
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index ca84ff3239..da4dd5f249 100644
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--- a/configure.in
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+++ b/configure.in
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@@ -1917,6 +1917,9 @@ int main() {
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 }
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 ],
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 		[AC_MSG_RESULT(yes)
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+		# ED448 support is broken in BIND
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+		# https://gitlab.isc.org/isc-projects/bind9/issues/225
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+		# disable if autodetected, can be enabled by --with-eddsa=all
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 		have_ed448="yes"],
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 		[AC_MSG_RESULT(no)
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 		have_ed448="no"],
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@@ -1929,8 +1932,10 @@ int main() {
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 		esac
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 		case $have_ed448 in
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 		yes)
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-			AC_DEFINE(HAVE_OPENSSL_ED448, 1,
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-				  [Define if your OpenSSL version supports Ed448.])
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+		# ED448 support is broken in BIND
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+		# https://gitlab.isc.org/isc-projects/bind9/issues/225
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+		#	AC_DEFINE(HAVE_OPENSSL_ED448, 1,
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+		#		  [Define if your OpenSSL version supports Ed448.])
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 			;;
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 		*)
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 			;;
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-- 
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2.20.1
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