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-rw-r--r--doc/apps/genpkey.pod7
-rw-r--r--doc/apps/pkeyutl.pod5
2 files changed, 12 insertions, 0 deletions
diff --git a/doc/apps/genpkey.pod b/doc/apps/genpkey.pod
index 8a789463cd..e77fc7ef4e 100644
--- a/doc/apps/genpkey.pod
+++ b/doc/apps/genpkey.pod
@@ -192,6 +192,9 @@ numeric OID. Following parameter sets are supported:
=back
+=head1 X25519 KEY GENERATION OPTIONS
+
+The X25519 algorithm does not currently support any key generation options.
=head1 NOTES
@@ -253,6 +256,10 @@ Generate EC key directly:
-pkeyopt ec_paramgen_curve:P-384 \
-pkeyopt ec_param_enc:named_curve
+Generate an X25519 private key:
+
+ openssl genpkey -algorithm X25519 -out xkey.pem
+
=head1 HISTORY
The ability to use NIST curve names, and to generate an EC key directly,
diff --git a/doc/apps/pkeyutl.pod b/doc/apps/pkeyutl.pod
index 91eeda5488..8a455b8187 100644
--- a/doc/apps/pkeyutl.pod
+++ b/doc/apps/pkeyutl.pod
@@ -240,6 +240,11 @@ verify operations use ECDSA and derive uses ECDH. Currently there are no
additional options other than B<digest>. Only the SHA1 digest can be used and
this digest is assumed by default.
+=head1 X25519 ALGORITHM
+
+The X25519 algorithm supports key derivation only. Currently there are no
+additional options.
+
=head1 EXAMPLES
Sign some data using a private key: