Sm4.sm4.t: def of bend-osdev-legacy-ciphers@0.1.0.0
Import: import bend-osdev-legacy-ciphers@0.1.0.0/sm4.bend as Sm4
Lines 48-51 of bend-osdev-legacy-ciphers@0.1.0.0/sm4.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/sm4.bend&start_line=48&end_line=51

import Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L

# T = L(tau(x)), L(B) = B xor B<<<2 xor B<<<10 xor B<<<18 xor B<<<24
def sm4.t(+tab: L.LcTab, x: U32) -> U32:
  +b = sm4.tau(tab, x)
  U32.xor(U32.xor(U32.xor(b, L.lc.rotl(b, 2n)), U32.xor(L.lc.rotl(b, 10n), L.lc.rotl(b, 18n))), L.lc.rotl(b, 24n))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.xor
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcTab
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=lc.rotl
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/sm4.bend&name=sm4.tau