Lrw.cr.lrw.tweak: def of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/lrw.bend as Lrw
Lines 26-28 of bend-osdev-crypto@0.1.0.0/lrw.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-crypto@0.1.0.0/lrw.bend&start_line=26&end_line=28

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-gf@0.1.0.0/gf128.bend as G

# the tweak of index i under the tweak key k2, as a block
def cr.lrw.tweak(~Blk: Data, ~blk_of: B.Octets -> Maybe<&2, Blk>, +k2: G.Gf128, i: G.Gf128) -> Maybe<&2, Blk>:
  blk_of(G.Gf128.to_octets(G.Gf128.mul_be(k2, i)))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.2.0/gf128.bend&name=Gf128
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.2.0/gf128.bend&name=Gf128.mul_be
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.2.0/gf128.bend&name=Gf128.to_octets