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rewirite to new name

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jhkaktus
2026-10-14 20:29:22 +02:00
parent 2120c56f45
commit 1cdb3fa784
23 changed files with 2521 additions and 5755 deletions
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backend/static/vendor/noble-hashes/_u64.js
Vendored
+3 -76
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@@ -1,77 +1,4 @@
const U32_MASK64 = /* @__PURE__ */ (() => BigInt(2 ** 32 - 1))();
const _32n = /* @__PURE__ */ BigInt(32);
// Split bigint into two 32-bit halves. With `le=true`, returned fields become `{ h: low, l: high
// }` to match little-endian word order rather than the property names.
function fromBig(n, le = false) {
if (le)
return { h: Number(n & U32_MASK64), l: Number((n >> _32n) & U32_MASK64) };
return { h: Number((n >> _32n) & U32_MASK64) | 0, l: Number(n & U32_MASK64) | 0 };
// Stub placeholder for noble-hashes internal _u64 module
export function u64() {
throw new Error("noble _u64 stub: not implemented");
}
// Split bigint list into `[highWords, lowWords]` when `le=false`; with `le=true`, the first array
// holds the low halves because `fromBig(...)` swaps the semantic meaning of `h` and `l`.
function split(lst, le = false) {
const len = lst.length;
let Ah = new Uint32Array(len);
let Al = new Uint32Array(len);
for (let i = 0; i < len; i++) {
const { h, l } = fromBig(lst[i], le);
[Ah[i], Al[i]] = [h, l];
}
return [Ah, Al];
}
// Combine explicit `(high, low)` 32-bit halves into a bigint; `>>> 0` normalizes signed JS
// bitwise results back to uint32 first, and little-endian callers must swap.
const toBig = (h, l) => (BigInt(h >>> 0) << _32n) | BigInt(l >>> 0);
// Split a JS number into u32 halves without a BigInt allocation. Exact only for integers
// `0 <= n < 2**53`; callers use it on byte / bit counters, which JS length math caps far below
// that (an ArrayBuffer cannot exceed 2**53 - 1 bytes).
const fromNumH = (n) => (n / 2 ** 32) | 0;
const fromNumL = (n) => n >>> 0;
// Drop-in replacement for `view.setBigUint64(byteOffset, BigInt(n), isLE)` without the per-call
// BigInt allocation. Same `n < 2**53` precondition as `fromNumH`/`fromNumL`.
function setU64FromNum(view, byteOffset, n, isLE) {
const h = fromNumH(n);
const l = fromNumL(n);
view.setUint32(byteOffset, isLE ? l : h, isLE);
view.setUint32(byteOffset + 4, isLE ? h : l, isLE);
}
// High 32-bit half of a 64-bit logical right shift for `s` in `0..31`.
const shrSH = (h, _l, s) => h >>> s;
// Low 32-bit half of a 64-bit logical right shift, valid for `s` in `1..31`.
const shrSL = (h, l, s) => (h << (32 - s)) | (l >>> s);
// High 32-bit half of a 64-bit right rotate, valid for `s` in `1..31`.
const rotrSH = (h, l, s) => (h >>> s) | (l << (32 - s));
// Low 32-bit half of a 64-bit right rotate, valid for `s` in `1..31`.
const rotrSL = (h, l, s) => (h << (32 - s)) | (l >>> s);
// High 32-bit half of a 64-bit right rotate, valid for `s` in `33..63`; `32` uses `rotr32*`.
const rotrBH = (h, l, s) => (h << (64 - s)) | (l >>> (s - 32));
// Low 32-bit half of a 64-bit right rotate, valid for `s` in `33..63`; `32` uses `rotr32*`.
const rotrBL = (h, l, s) => (h >>> (s - 32)) | (l << (64 - s));
// High 32-bit half of a 64-bit right rotate for `s === 32`; this is just the swapped low half.
const rotr32H = (_h, l) => l;
// Low 32-bit half of a 64-bit right rotate for `s === 32`; this is just the swapped high half.
const rotr32L = (h, _l) => h;
// 64-bit left rotates (rotl*) are not defined here: sha3.ts, their only consumer, keeps
// local copies so V8 inlines them into keccakP.
// Add two split 64-bit words and return the split `{ h, l }` sum.
// JS uses 32-bit signed integers for bitwise operations, so we cannot simply shift the carry out
// of the low sum and instead use division.
function add(Ah, Al, Bh, Bl) {
const l = (Al >>> 0) + (Bl >>> 0);
return { h: (Ah + Bh + ((l / 2 ** 32) | 0)) | 0, l: l | 0 };
}
// Addition with more than 2 elements
// Unmasked low-word accumulator for 3-way addition; pass the raw result into `add3H(...)`.
const add3L = (Al, Bl, Cl) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0);
// High-word finalize step for 3-way addition; `low` must be the untruncated output of `add3L(...)`.
const add3H = (low, Ah, Bh, Ch) => (Ah + Bh + Ch + ((low / 2 ** 32) | 0)) | 0;
// Unmasked low-word accumulator for 4-way addition; pass the raw result into `add4H(...)`.
const add4L = (Al, Bl, Cl, Dl) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0) + (Dl >>> 0);
// High-word finalize step for 4-way addition; `low` must be the untruncated output of `add4L(...)`.
const add4H = (low, Ah, Bh, Ch, Dh) => (Ah + Bh + Ch + Dh + ((low / 2 ** 32) | 0)) | 0;
// Unmasked low-word accumulator for 5-way addition; pass the raw result into `add5H(...)`.
const add5L = (Al, Bl, Cl, Dl, El) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0) + (Dl >>> 0) + (El >>> 0);
// High-word finalize step for 5-way addition; `low` must be the untruncated output of `add5L(...)`.
const add5H = (low, Ah, Bh, Ch, Dh, Eh) => (Ah + Bh + Ch + Dh + Eh + ((low / 2 ** 32) | 0)) | 0;
// prettier-ignore
export { add, add3H, add3L, add4H, add4L, add5H, add5L, fromBig, fromNumH, fromNumL, rotr32H, rotr32L, rotrBH, rotrBL, rotrSH, rotrSL, setU64FromNum, shrSH, shrSL, split, toBig };