def kr53

bend-collections@1.0.0.0 · src/crypto/sha/packed/core.bend:140

import Base
import bend-collections@1.0.0.0/src/crypto/sha/state.bend as S

140def kr53(q: Nat, win: ShaWindow, s: S.State) -> S.State:
141  match q win:
142    case 0n _:
143      s
144    case 1n+z W{a, +b, c, d, e, f, +g, h, i, j, l, m, o, r, +t, +u}:
145      +w = (small1(b) + g + small0(t) + u : U32)
146      kr54(z, W{w, a, b, c, d, e, f, g, h, i, j, l, m, o, r, t}, step(s, 1322822218, w))