def kr26

mylsm-lsm-store@0.6.0.1 · src/hub_sha/core.bend:644

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

644# Return the SHA-256 round constant for schedule index 26.
645def kr26(rounds_left: Nat, win: ShaWindow, state: S.State) -> S.State:
646  match rounds_left win:
647    case 0n _:
648      state
649    case 1n+z W{a, +b, c, d, e, f, +g, h, i, j, l, m, o, r, +t, +u}:
650      +w = (small1(b) + g + small0(t) + u : U32)
651      kr27(z, W{w, a, b, c, d, e, f, g, h, i, j, l, m, o, r, t}, step(state, 2952996808, w))