Clarify in the s_client/s_server documentation that supported curves …

…(aka groups) include named EC parameters as well as X25519 and X448 or FFDHE groups
olszomal · Jul 3, 2024 · 0bfb345 · 0bfb345
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diff --git a/doc/man1/openssl-s_client.pod.in b/doc/man1/openssl-s_client.pod.in
@@ -656,7 +656,10 @@ For example strings, see L<SSL_CTX_set1_sigalgs(3)>
 =item B<-curves> I<curvelist>
 
 Specifies the list of supported curves to be sent by the client. The curve is
-ultimately selected by the server. For a list of all curves, use:
+ultimately selected by the server.
+
+The list of all supported curves includes named EC parameters as well as X25519
+and X448 or FFDHE groups. For a list of named EC parameters, use:
 
     $ openssl ecparam -list_curves
 

diff --git a/doc/man1/openssl-s_server.pod.in b/doc/man1/openssl-s_server.pod.in
@@ -671,7 +671,9 @@ Signature algorithms to support for client certificate authentication
 =item B<-named_curve> I<val>
 
 Specifies the elliptic curve to use. NOTE: this is single curve, not a list.
-For a list of all possible curves, use:
+
+The list of all supported curves includes named EC parameters as well as X25519
+and X448 or FFDHE groups. For a list of named EC parameters, use:
 
     $ openssl ecparam -list_curves