Gf128.Gf128.ghash_update: def of bend-osdev-gf@0.1.1.0
Import: import bend-osdev-gf@0.1.1.0/gf128.bend as Gf128
Lines 145-147 of bend-osdev-gf@0.1.1.0/gf128.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-gf@0.1.1.0/gf128.bend&start_line=145&end_line=147

import Base

# GHASH (SP 800-38D, 6.4): Y = (Y + X_i) * H for each block X_i
def Gf128.ghash_update(+h: Gf128, y: Gf128, x: Gf128) -> Gf128:
  Gf128.mul_gcm(Gf128.xor(y, x), h)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gf128.bend&name=Gf128
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gf128.bend&name=Gf128.mul_gcm
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gf128.bend&name=Gf128.xor