def aria_dd4
import bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-legacy-ciphers@0.1.0.0/aria.bend as A
8209def aria_dd4(+s: A.LcAriaSt) -> {s == A.aria.d4(A.aria.u4(s)) : A.LcAriaSt}:
8210 %aria_dd3(A.aria.e3(s)) : {s == A.aria.e3(_) : A.LcAriaSt}
8211 aria_e3(s)