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- /**
- * Internal helpers for blake hash.
- * @module
- */
- import { rotr } from "./utils.js";
- /**
- * Internal blake variable.
- * For BLAKE2b, the two extra permutations for rounds 10 and 11 are SIGMA[10..11] = SIGMA[0..1].
- */
- // prettier-ignore
- export const BSIGMA = /* @__PURE__ */ Uint8Array.from([
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3,
- 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4,
- 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8,
- 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13,
- 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9,
- 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11,
- 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10,
- 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5,
- 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0,
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3,
- // Blake1, unused in others
- 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4,
- 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8,
- 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13,
- 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9,
- ]);
- // Mixing function G splitted in two halfs
- export function G1s(a, b, c, d, x) {
- a = (a + b + x) | 0;
- d = rotr(d ^ a, 16);
- c = (c + d) | 0;
- b = rotr(b ^ c, 12);
- return { a, b, c, d };
- }
- export function G2s(a, b, c, d, x) {
- a = (a + b + x) | 0;
- d = rotr(d ^ a, 8);
- c = (c + d) | 0;
- b = rotr(b ^ c, 7);
- return { a, b, c, d };
- }
- //# sourceMappingURL=_blake.js.map
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