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def aria.ws

bend-osdev-legacy-ciphers@0.1.0.0 · aria.bend:4575

import bend-osdev-legacy-ciphers@0.1.0.0/aria.bend as Aria
import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M

4575# W0 .. W3 and the round keys, for CK1, CK2, CK3 = C(c1), C(c2), C(c3)
4576def aria.ws(+kl: M.CmBlock, +kr: M.CmBlock, c1: Nat, c2: Nat, c3: Nat) -> List<&2, M.CmBlock>:
4577  +w1 = M.CmBlock.xor(aria.fo(kl, aria.c(c1)), kr)
4578  +w2 = M.CmBlock.xor(aria.fe(w1, aria.c(c2)), kl)
4579  +w3 = M.CmBlock.xor(aria.fo(w2, aria.c(c3)), w1)
4580  aria.eks(kl, w1, w2, w3)

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