def lrw_rt.sm4
bend-osdev-crypto@0.1.0.0 · PROOF.bend:933
import bend-osdev-crypto@0.1.0.0/PROOF.bend as PROOF
import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
import bend-osdev-legacy-ciphers@0.1.0.0/sm4.bend as S
import bend-osdev-crypto@0.1.0.0/lrw.bend as Lw
import bend-osdev-gf@0.1.0.0/gf128.bend as G
import bend-osdev-crypto@0.1.0.0/inst_cm.bend as CM
933def lrw_rt.sm4(+k: S.LcSm4Key, +k2: G.Gf128, bs: List<&2, M.CmBlock>, +i: G.Gf128) -> {bs == Lw.cr.lrw.dec(~S.LcSm4Key, ~M.CmBlock, ~S.LcSm4.decrypt, ~CM.CrBlk128.xor, ~CM.CrBlk128.of_octets, k, k2, Lw.cr.lrw.enc(~S.LcSm4Key, ~M.CmBlock, ~S.LcSm4.encrypt, ~CM.CrBlk128.xor, ~CM.CrBlk128.of_octets, k, k2, bs, i), i) : List<&2, M.CmBlock>}:
934 match bs:
935 case Nil{}:
936 {==}
937 case Con{+p, t}:
938 %lrw_b.sm4(k, Lw.cr.lrw.tweak(~M.CmBlock, ~CM.CrBlk128.of_octets, k2, i), p) : {Con{p, t} == Con{_, Lw.cr.lrw.dec(~S.LcSm4Key, ~M.CmBlock, ~S.LcSm4.decrypt, ~CM.CrBlk128.xor, ~CM.CrBlk128.of_octets, k, k2, Lw.cr.lrw.enc(~S.LcSm4Key, ~M.CmBlock, ~S.LcSm4.encrypt, ~CM.CrBlk128.xor, ~CM.CrBlk128.of_octets, k, k2, t, Lw.cr.lrw.inc(i)), Lw.cr.lrw.inc(i))} : List<&2, M.CmBlock>}
939 %lrw_rt.sm4(k, k2, t, Lw.cr.lrw.inc(i)) : {Con{p, t} == Con{p, _} : List<&2, M.CmBlock>}
940 {==}