def xtsp.maskY

bend-osdev-cipher-modes@0.1.0.0 · PROOF.bend:1509

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M

1509def xtsp.maskY(+tl: List<&2, U32>, +b: M.CmBlock, hm: {B.mask(tl) == tl : List<&2, U32>}) -> {B.mask(B.append(tl, B.drop(B.len(tl), M.cm.bytes_of(b)))) == B.append(tl, B.drop(B.len(tl), M.cm.bytes_of(b))) : List<&2, U32>}:
1510  %Equal.sym(List<&2, U32>, B.mask(B.append(tl, B.drop(B.len(tl), M.cm.bytes_of(b)))), B.append(B.mask(tl), B.mask(B.drop(B.len(tl), M.cm.bytes_of(b)))), li.mask_append(tl, B.drop(B.len(tl), M.cm.bytes_of(b)))) : {_ == B.append(tl, B.drop(B.len(tl), M.cm.bytes_of(b))) : List<&2, U32>}
1511  %Equal.sym(List<&2, U32>, B.mask(B.drop(B.len(tl), M.cm.bytes_of(b))), B.drop(B.len(tl), B.mask(M.cm.bytes_of(b))), li.mask_drop(B.len(tl), M.cm.bytes_of(b))) : {B.append(B.mask(tl), _) == B.append(tl, B.drop(B.len(tl), M.cm.bytes_of(b))) : List<&2, U32>}
1512  %Equal.sym(List<&2, U32>, B.mask(M.cm.bytes_onto(b, Nil{})), M.cm.bytes_onto(b, B.mask(Nil{})), sp.mask_blk(b, Nil{})) : {B.append(B.mask(tl), B.drop(B.len(tl), _)) == B.append(tl, B.drop(B.len(tl), M.cm.bytes_of(b))) : List<&2, U32>}
1513  %Equal.sym(List<&2, U32>, B.mask(tl), tl, hm) : {B.append(_, B.drop(B.len(tl), M.cm.bytes_of(b))) == B.append(tl, B.drop(B.len(tl), M.cm.bytes_of(b))) : List<&2, U32>}
1514  {==}