Vmac.cr.vm.pmask: def of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/vmac.bend as Vmac
Lines 344-349 of bend-osdev-crypto@0.1.0.0/vmac.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-crypto@0.1.0.0/vmac.bend&start_line=344&end_line=349

import Base
import bend-osdev-word64@0.1.0.0/word64.bend as W

# the poly key mask: each 32-bit field's top 3 bits cleared
def cr.vm.pmask(x: CrU128) -> CrU128:
  match x:
    case CrU128{h, l}:
      +m = W.W64.from_parts(536870911, 536870911)
      CrU128{W.W64.and(h, m), W.W64.and(l, m)}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/vmac.bend&name=CrU128
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.and
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.from_parts