If this option is set, Encrypt-then-MAC is disabled. Clients will not
propose, and servers will not accept the extension.
+=item SSL_OP_NO_EXTENDED_MASTER_SECRET
+
+Normally clients and servers will transparently attempt to negotiate the
+RFC7627 Extended Master Secret option on TLS and DTLS connection.
+
+If this option is set, Extended Master Secret is disabled. Clients will
+not propose, and servers will not accept the extension.
+
=item SSL_OP_NO_RENEGOTIATION
Disable all renegotiation in TLSv1.2 and earlier. Do not send HelloRequest
=head1 HISTORY
The attempt to always try to use secure renegotiation was added in
-Openssl 0.9.8m.
+OpenSSL 0.9.8m.
+
+The B<SSL_OP_PRIORITIZE_CHACHA> and B<SSL_OP_NO_RENEGOTIATION> options
+were added in OpenSSL 1.1.1.
-B<SSL_OP_PRIORITIZE_CHACHA> and B<SSL_OP_NO_RENEGOTIATION> were added in
-OpenSSL 1.1.1.
+The B<SSL_OP_NO_EXTENDED_MASTER_SECRET> option was added in OpenSSL 3.0.0.
=head1 COPYRIGHT
-Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2001-2019 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy