Removing the option entirely would break builds unnecessarily, so
let's make it deprecated.
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8632)
*) Removed the heartbeat message in DTLS feature, as it has very
little usage and doesn't seem to fulfill a valuable purpose.
+ The configuration option is now deprecated.
[Richard Levitte]
*) Changed the output of 'openssl {digestname} < file' to display the
"ripemd" => "rmd160",
"ui" => "ui-console",
"dso" => undef,
+ "heartbeats" => undef,
);
# All of the following are disabled by default: