-EC_KEY_new_by_curve_name() and supplying the nid of the associated curve. See
-L<EC_GROUP_new(3)> for a description of curve names. This function simply
-wraps calls to EC_KEY_new() and EC_GROUP_new_by_curve_name().
+EC_KEY_new_by_curve_name_ex() and supplying the nid of the associated curve and
+the library context to be used B<ctx> (see L<OPENSSL_CTX(3)>).
+The B<ctx> parameter may be NULL in which case the default library context is
+used.
+See L<EC_GROUP_new(3)> for a description of curve names.
+This function simply wraps calls to EC_KEY_new_ex() and
+EC_GROUP_new_by_curve_name_ex().
+
+EC_KEY_new_by_curve_name() is the same as EC_KEY_new_by_curve_name_ex() except
+that the default library context is always used.