@item
Client generates DH keypair: @code{CDHPub} and @code{CDHPriv}.
Also it generates random 64-bit @code{R} that is used as a nonce for
-symmetric encryption. @code{El()} is Elligator point encoding algorithm.
+symmetric encryption. @code{El()} is Elligator point encoding (and vice
+versa) algorithm.
@end enumerate
@strong{Interaction stage}:
has 128-bit security margin and that is why are not in use except in
handshake process. @code{R*} are required for handshake randomization
and two-way authentication.
+
+In @ref{Encless, encryptionless mode} each @code{enc()} is replaced with
+AONT and chaffing function over the noised data.