update electron to v43

electron/node_modules/@noble/hashes/sha3.js

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+/**
+ * SHA3 (keccak) hash function, based on a new "Sponge function" design.
+ * Different from older hashes, the internal state is bigger than output size.
+ *
+ * Check out
+ * {@link https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf | FIPS-202},
+ * {@link https://keccak.team/keccak.html | Website}, and
+ * {@link https://crypto.stackexchange.com/q/15727 | the differences between
+ * SHA-3 and Keccak}.
+ *
+ * Check out `sha3-addons` module for cSHAKE, k12, and others.
+ * @module
+ */
+import { rotlBH, rotlBL, rotlSH, rotlSL, split } from "./_u64.js";
+// prettier-ignore
+import { abytes, aexists, anumber, aoutput, clean, createHasher, oidNist, swap32IfBE, u32 } from "./utils.js";
+// No __PURE__ annotations in sha3 header:
+// EVERYTHING is in fact used on every export.
+// Various per round constants calculations
+const _0n = BigInt(0);
+const _1n = BigInt(1);
+const _2n = BigInt(2);
+const _7n = BigInt(7);
+const _256n = BigInt(256);
+// FIPS 202 Algorithm 5 rc(): when the outgoing bit is 1, the 8-bit LFSR xors
+// taps 0, 4, 5, and 6, which compresses to the feedback mask `0x71`.
+const _0x71n = BigInt(0x71);
+const SHA3_PI = [];
+const SHA3_ROTL = [];
+const _SHA3_IOTA = []; // no pure annotation: var is always used
+for (let round = 0, R = _1n, x = 1, y = 0; round < 24; round++) {
+    // Pi
+    [x, y] = [y, (2 * x + 3 * y) % 5];
+    SHA3_PI.push(2 * (5 * y + x));
+    // Rotational
+    SHA3_ROTL.push((((round + 1) * (round + 2)) / 2) % 64);
+    // Iota
+    let t = _0n;
+    for (let j = 0; j < 7; j++) {
+        R = ((R << _1n) ^ ((R >> _7n) * _0x71n)) % _256n;
+        if (R & _2n)
+            t ^= _1n << ((_1n << BigInt(j)) - _1n);
+    }
+    _SHA3_IOTA.push(t);
+}
+const IOTAS = split(_SHA3_IOTA, true);
+// `split(..., true)` keeps the local little-endian lane-word layout used by
+// `state32`, so these `H` / `L` tables follow the file's first-word /
+// second-word lane slots rather than `_u64.ts`'s usual high/low naming.
+const SHA3_IOTA_H = IOTAS[0];
+const SHA3_IOTA_L = IOTAS[1];
+// Left rotation (without 0, 32, 64)
+const rotlH = (h, l, s) => (s > 32 ? rotlBH(h, l, s) : rotlSH(h, l, s));
+const rotlL = (h, l, s) => (s > 32 ? rotlBL(h, l, s) : rotlSL(h, l, s));
+/**
+ * `keccakf1600` internal permutation, additionally allows adjusting the round count.
+ * @param s - 5x5 Keccak state encoded as 25 lanes split into 50 uint32 words
+ *   in this file's local little-endian lane-word order
+ * @param rounds - number of rounds to execute
+ * @throws If `rounds` is outside the supported `1..24` range. {@link Error}
+ * @example
+ * Permute a Keccak state with the default 24 rounds.
+ * ```ts
+ * keccakP(new Uint32Array(50));
+ * ```
+ */
+export function keccakP(s, rounds = 24) {
+    anumber(rounds, 'rounds');
+    // This implementation precomputes only the standard Keccak-f[1600] 24-round Iota table.
+    if (rounds < 1 || rounds > 24)
+        throw new Error('"rounds" expected integer 1..24');
+    const B = new Uint32Array(5 * 2);
+    // NOTE: all indices are x2 since we store state as u32 instead of u64 (bigints to slow in js)
+    for (let round = 24 - rounds; round < 24; round++) {
+        // Theta θ
+        for (let x = 0; x < 10; x++)
+            B[x] = s[x] ^ s[x + 10] ^ s[x + 20] ^ s[x + 30] ^ s[x + 40];
+        for (let x = 0; x < 10; x += 2) {
+            const idx1 = (x + 8) % 10;
+            const idx0 = (x + 2) % 10;
+            const B0 = B[idx0];
+            const B1 = B[idx0 + 1];
+            const Th = rotlH(B0, B1, 1) ^ B[idx1];
+            const Tl = rotlL(B0, B1, 1) ^ B[idx1 + 1];
+            for (let y = 0; y < 50; y += 10) {
+                s[x + y] ^= Th;
+                s[x + y + 1] ^= Tl;
+            }
+        }
+        // Rho (ρ) and Pi (π)
+        let curH = s[2];
+        let curL = s[3];
+        for (let t = 0; t < 24; t++) {
+            const shift = SHA3_ROTL[t];
+            const Th = rotlH(curH, curL, shift);
+            const Tl = rotlL(curH, curL, shift);
+            const PI = SHA3_PI[t];
+            curH = s[PI];
+            curL = s[PI + 1];
+            s[PI] = Th;
+            s[PI + 1] = Tl;
+        }
+        // Chi (χ)
+        // Same as:
+        // for (let x = 0; x < 10; x++) B[x] = s[y + x];
+        // for (let x = 0; x < 10; x++) s[y + x] ^= ~B[(x + 2) % 10] & B[(x + 4) % 10];
+        for (let y = 0; y < 50; y += 10) {
+            const b0 = s[y], b1 = s[y + 1], b2 = s[y + 2], b3 = s[y + 3];
+            s[y] ^= ~s[y + 2] & s[y + 4];
+            s[y + 1] ^= ~s[y + 3] & s[y + 5];
+            s[y + 2] ^= ~s[y + 4] & s[y + 6];
+            s[y + 3] ^= ~s[y + 5] & s[y + 7];
+            s[y + 4] ^= ~s[y + 6] & s[y + 8];
+            s[y + 5] ^= ~s[y + 7] & s[y + 9];
+            s[y + 6] ^= ~s[y + 8] & b0;
+            s[y + 7] ^= ~s[y + 9] & b1;
+            s[y + 8] ^= ~b0 & b2;
+            s[y + 9] ^= ~b1 & b3;
+        }
+        // Iota (ι)
+        s[0] ^= SHA3_IOTA_H[round];
+        s[1] ^= SHA3_IOTA_L[round];
+    }
+    clean(B);
+}
+/**
+ * Keccak sponge function.
+ * @param blockLen - absorb/squeeze rate in bytes
+ * @param suffix - domain separation suffix byte
+ * @param outputLen - default digest length in bytes. This base sponge only
+ *   requires a non-negative integer; wrappers that need positive output
+ *   lengths must enforce that themselves.
+ * @param enableXOF - whether XOF output is allowed
+ * @param rounds - number of Keccak-f rounds
+ * @example
+ * Build a sponge state, absorb bytes, then finalize a digest.
+ * ```ts
+ * const hash = new Keccak(136, 0x06, 32);
+ * hash.update(new Uint8Array([1, 2, 3]));
+ * hash.digest();
+ * ```
+ */
+export class Keccak {
+    state;
+    pos = 0;
+    posOut = 0;
+    finished = false;
+    state32;
+    destroyed = false;
+    blockLen;
+    suffix;
+    outputLen;
+    canXOF;
+    enableXOF = false;
+    rounds;
+    // NOTE: we accept arguments in bytes instead of bits here.
+    constructor(blockLen, suffix, outputLen, enableXOF = false, rounds = 24) {
+        this.blockLen = blockLen;
+        this.suffix = suffix;
+        this.outputLen = outputLen;
+        this.enableXOF = enableXOF;
+        this.canXOF = enableXOF;
+        this.rounds = rounds;
+        // Can be passed from user as dkLen
+        anumber(outputLen, 'outputLen');
+        // 1600 = 5x5 matrix of 64bit.  1600 bits === 200 bytes
+        // 0 < blockLen < 200
+        if (!(0 < blockLen && blockLen < 200))
+            throw new Error('only keccak-f1600 function is supported');
+        this.state = new Uint8Array(200);
+        this.state32 = u32(this.state);
+    }
+    clone() {
+        return this._cloneInto();
+    }
+    keccak() {
+        swap32IfBE(this.state32);
+        keccakP(this.state32, this.rounds);
+        swap32IfBE(this.state32);
+        this.posOut = 0;
+        this.pos = 0;
+    }
+    update(data) {
+        aexists(this);
+        abytes(data);
+        const { blockLen, state } = this;
+        const len = data.length;
+        for (let pos = 0; pos < len;) {
+            const take = Math.min(blockLen - this.pos, len - pos);
+            for (let i = 0; i < take; i++)
+                state[this.pos++] ^= data[pos++];
+            if (this.pos === blockLen)
+                this.keccak();
+        }
+        return this;
+    }
+    finish() {
+        if (this.finished)
+            return;
+        this.finished = true;
+        const { state, suffix, pos, blockLen } = this;
+        // FIPS 202 appends the SHA3/SHAKE domain-separation suffix before pad10*1.
+        // These byte values already include the first padding bit, while the
+        // final `0x80` below supplies the closing `1` bit in the last rate byte.
+        state[pos] ^= suffix;
+        // If that combined suffix lands in the last rate byte and already sets
+        // bit 7, absorb it first so the final pad10*1 bit can be xored into a
+        // fresh block.
+        if ((suffix & 0x80) !== 0 && pos === blockLen - 1)
+            this.keccak();
+        state[blockLen - 1] ^= 0x80;
+        this.keccak();
+    }
+    writeInto(out) {
+        aexists(this, false);
+        abytes(out);
+        this.finish();
+        const bufferOut = this.state;
+        const { blockLen } = this;
+        for (let pos = 0, len = out.length; pos < len;) {
+            if (this.posOut >= blockLen)
+                this.keccak();
+            const take = Math.min(blockLen - this.posOut, len - pos);
+            out.set(bufferOut.subarray(this.posOut, this.posOut + take), pos);
+            this.posOut += take;
+            pos += take;
+        }
+        return out;
+    }
+    xofInto(out) {
+        // Plain SHA3/Keccak usage with XOF is probably a mistake, but this base
+        // class is also reused by SHAKE/cSHAKE/KMAC/TupleHash/ParallelHash/
+        // TurboSHAKE/KangarooTwelve wrappers that intentionally enable XOF.
+        if (!this.enableXOF)
+            throw new Error('XOF is not possible for this instance');
+        return this.writeInto(out);
+    }
+    xof(bytes) {
+        anumber(bytes);
+        return this.xofInto(new Uint8Array(bytes));
+    }
+    digestInto(out) {
+        aoutput(out, this);
+        if (this.finished)
+            throw new Error('digest() was already called');
+        // `aoutput(...)` allows oversized buffers; digestInto() must fill only the advertised digest.
+        this.writeInto(out.subarray(0, this.outputLen));
+        this.destroy();
+    }
+    digest() {
+        const out = new Uint8Array(this.outputLen);
+        this.digestInto(out);
+        return out;
+    }
+    destroy() {
+        this.destroyed = true;
+        clean(this.state);
+    }
+    _cloneInto(to) {
+        const { blockLen, suffix, outputLen, rounds, enableXOF } = this;
+        to ||= new Keccak(blockLen, suffix, outputLen, enableXOF, rounds);
+        // Reused destinations can come from a different rate/capacity variant, so clone must rewrite
+        // the sponge geometry as well as the state words.
+        to.blockLen = blockLen;
+        to.state32.set(this.state32);
+        to.pos = this.pos;
+        to.posOut = this.posOut;
+        to.finished = this.finished;
+        to.rounds = rounds;
+        // Suffix can change in cSHAKE
+        to.suffix = suffix;
+        to.outputLen = outputLen;
+        to.enableXOF = enableXOF;
+        // Clones must preserve the public capability bit too; `_KMAC` reuses this path and deep clone
+        // tests compare instance fields directly, so leaving `canXOF` behind makes the clone lie.
+        to.canXOF = this.canXOF;
+        to.destroyed = this.destroyed;
+        return to;
+    }
+}
+const genKeccak = (suffix, blockLen, outputLen, info = {}) => createHasher(() => new Keccak(blockLen, suffix, outputLen), info);
+/**
+ * SHA3-224 hash function.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHA3-224.
+ * ```ts
+ * sha3_224(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const sha3_224 = /* @__PURE__ */ genKeccak(0x06, 144, 28, 
+/* @__PURE__ */ oidNist(0x07));
+/**
+ * SHA3-256 hash function. Different from keccak-256.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHA3-256.
+ * ```ts
+ * sha3_256(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const sha3_256 = /* @__PURE__ */ genKeccak(0x06, 136, 32, 
+/* @__PURE__ */ oidNist(0x08));
+/**
+ * SHA3-384 hash function.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHA3-384.
+ * ```ts
+ * sha3_384(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const sha3_384 = /* @__PURE__ */ genKeccak(0x06, 104, 48, 
+/* @__PURE__ */ oidNist(0x09));
+/**
+ * SHA3-512 hash function.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHA3-512.
+ * ```ts
+ * sha3_512(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const sha3_512 = /* @__PURE__ */ genKeccak(0x06, 72, 64, 
+/* @__PURE__ */ oidNist(0x0a));
+/**
+ * Keccak-224 hash function.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with Keccak-224.
+ * ```ts
+ * keccak_224(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const keccak_224 = /* @__PURE__ */ genKeccak(0x01, 144, 28);
+/**
+ * Keccak-256 hash function. Different from SHA3-256.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with Keccak-256.
+ * ```ts
+ * keccak_256(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const keccak_256 = /* @__PURE__ */ genKeccak(0x01, 136, 32);
+/**
+ * Keccak-384 hash function.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with Keccak-384.
+ * ```ts
+ * keccak_384(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const keccak_384 = /* @__PURE__ */ genKeccak(0x01, 104, 48);
+/**
+ * Keccak-512 hash function.
+ * @param msg - message bytes to hash
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with Keccak-512.
+ * ```ts
+ * keccak_512(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const keccak_512 = /* @__PURE__ */ genKeccak(0x01, 72, 64);
+const genShake = (suffix, blockLen, outputLen, info = {}) => createHasher((opts = {}) => new Keccak(blockLen, suffix, opts.dkLen === undefined ? outputLen : opts.dkLen, true), info);
+/**
+ * SHAKE128 XOF with 128-bit security and a 16-byte default output.
+ * @param msg - message bytes to hash
+ * @param opts - Optional output-length override. See {@link ShakeOpts}.
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHAKE128.
+ * ```ts
+ * shake128(new Uint8Array([97, 98, 99]), { dkLen: 32 });
+ * ```
+ */
+export const shake128 = 
+/* @__PURE__ */
+genShake(0x1f, 168, 16, /* @__PURE__ */ oidNist(0x0b));
+/**
+ * SHAKE256 XOF with 256-bit security and a 32-byte default output.
+ * @param msg - message bytes to hash
+ * @param opts - Optional output-length override. See {@link ShakeOpts}.
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHAKE256.
+ * ```ts
+ * shake256(new Uint8Array([97, 98, 99]), { dkLen: 64 });
+ * ```
+ */
+export const shake256 = 
+/* @__PURE__ */
+genShake(0x1f, 136, 32, /* @__PURE__ */ oidNist(0x0c));
+/**
+ * SHAKE128 XOF with 256-bit output (NIST version).
+ * @param msg - message bytes to hash
+ * @param opts - Optional output-length override. See {@link ShakeOpts}.
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHAKE128 using a 32-byte default output.
+ * ```ts
+ * shake128_32(new Uint8Array([97, 98, 99]), { dkLen: 32 });
+ * ```
+ */
+export const shake128_32 = 
+/* @__PURE__ */
+genShake(0x1f, 168, 32, /* @__PURE__ */ oidNist(0x0b));
+/**
+ * SHAKE256 XOF with 512-bit output (NIST version).
+ * @param msg - message bytes to hash
+ * @param opts - Optional output-length override. See {@link ShakeOpts}.
+ * @returns Digest bytes.
+ * @example
+ * Hash a message with SHAKE256 using a 64-byte default output.
+ * ```ts
+ * shake256_64(new Uint8Array([97, 98, 99]), { dkLen: 64 });
+ * ```
+ */
+export const shake256_64 = 
+/* @__PURE__ */
+genShake(0x1f, 136, 64, /* @__PURE__ */ oidNist(0x0c));
+//# sourceMappingURL=sha3.js.map