Add some missing OSSL_PKEY_PARAM_GROUP_NAME documentation

[oweals/openssl.git] / doc / man7 / EVP_PKEY-X25519.pod

diff --git a/doc/man7/EVP_PKEY-X25519.pod b/doc/man7/EVP_PKEY-X25519.pod
index ebeda8d814a311eb4d1b732fe04baae0dfc21f36..2937f247f5b3da4d23bf6cff2e0a0940eefb69aa 100644 (file)
--- a/doc/man7/EVP_PKEY-X25519.pod
+++ b/doc/man7/EVP_PKEY-X25519.pod
@@ -26,6 +26,12 @@ support the following.
 
 =over 4
 
+=item "group" (B<OSSL_PKEY_PARAM_GROUP_NAME>) <UTF8 string>
+
+This is only supported by X25519 and X448. The group name must be "x25519" or
+"x448" repsectively for those algorithms. This is only present for consistency
+with other key exchange algorithms and is typically not needed.
+
 =item "pub" (B<OSSL_PKEY_PARAM_PUB_KEY>) <octet string>
 
 The public key value.