Exchange)).
@item
@ref{Verifier structure, Augmented authentication tokens} resistant to
-offline dictionary attacks. An attacker can not masquerade a client
-even with server passphrase verifiers compromising.
+offline dictionary attacks. They use CPU and memory hardened hashing
+algorithm. An attacker can not masquerade a client even with server
+passphrase verifiers compromising.
@item
Encrypted and authenticated @ref{Transport, payload transport}
with 128-bit @ref{Developer, security margin} state-of-the-art