def kr55

mylsm-lsm-store@0.6.0.1 · src/hub_sha/core.bend:383

import Base
import mylsm-lsm-store@0.6.0.1/src/hub_sha/state.bend as S

383# Return the SHA-256 round constant for schedule index 55.
384def kr55(rounds_left: Nat, win: ShaWindow, state: S.State) -> S.State:
385  match rounds_left win:
386    case 0n _:
387      state
388    case 1n+z W{a, +b, c, d, e, f, +g, h, i, j, l, m, o, r, +t, +u}:
389      +w = (small1(b) + g + small0(t) + u : U32)
390      kr56(z, W{w, a, b, c, d, e, f, g, h, i, j, l, m, o, r, t}, step(state, 1747873779, w))