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Просмотр файла: blake2b.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.blake2b = void 0;
const _blake2_js_1 = require("./_blake2.js");
const _u64_js_1 = require("./_u64.js");
const utils_js_1 = require("./utils.js");
// Same as SHA-512 but LE
// prettier-ignore
const IV = /* @__PURE__ */ new Uint32Array([
0xf3bcc908, 0x6a09e667, 0x84caa73b, 0xbb67ae85, 0xfe94f82b, 0x3c6ef372, 0x5f1d36f1, 0xa54ff53a,
0xade682d1, 0x510e527f, 0x2b3e6c1f, 0x9b05688c, 0xfb41bd6b, 0x1f83d9ab, 0x137e2179, 0x5be0cd19
]);
// Temporary buffer
const BUF = /* @__PURE__ */ new Uint32Array(32);
// Mixing function G splitted in two halfs
function G1(a, b, c, d, msg, x) {
// NOTE: V is LE here
const Xl = msg[x], Xh = msg[x + 1]; // prettier-ignore
let Al = BUF[2 * a], Ah = BUF[2 * a + 1]; // prettier-ignore
let Bl = BUF[2 * b], Bh = BUF[2 * b + 1]; // prettier-ignore
let Cl = BUF[2 * c], Ch = BUF[2 * c + 1]; // prettier-ignore
let Dl = BUF[2 * d], Dh = BUF[2 * d + 1]; // prettier-ignore
// v[a] = (v[a] + v[b] + x) | 0;
let ll = _u64_js_1.default.add3L(Al, Bl, Xl);
Ah = _u64_js_1.default.add3H(ll, Ah, Bh, Xh);
Al = ll | 0;
// v[d] = rotr(v[d] ^ v[a], 32)
({ Dh, Dl } = { Dh: Dh ^ Ah, Dl: Dl ^ Al });
({ Dh, Dl } = { Dh: _u64_js_1.default.rotr32H(Dh, Dl), Dl: _u64_js_1.default.rotr32L(Dh, Dl) });
// v[c] = (v[c] + v[d]) | 0;
({ h: Ch, l: Cl } = _u64_js_1.default.add(Ch, Cl, Dh, Dl));
// v[b] = rotr(v[b] ^ v[c], 24)
({ Bh, Bl } = { Bh: Bh ^ Ch, Bl: Bl ^ Cl });
({ Bh, Bl } = { Bh: _u64_js_1.default.rotrSH(Bh, Bl, 24), Bl: _u64_js_1.default.rotrSL(Bh, Bl, 24) });
(BUF[2 * a] = Al), (BUF[2 * a + 1] = Ah);
(BUF[2 * b] = Bl), (BUF[2 * b + 1] = Bh);
(BUF[2 * c] = Cl), (BUF[2 * c + 1] = Ch);
(BUF[2 * d] = Dl), (BUF[2 * d + 1] = Dh);
}
function G2(a, b, c, d, msg, x) {
// NOTE: V is LE here
const Xl = msg[x], Xh = msg[x + 1]; // prettier-ignore
let Al = BUF[2 * a], Ah = BUF[2 * a + 1]; // prettier-ignore
let Bl = BUF[2 * b], Bh = BUF[2 * b + 1]; // prettier-ignore
let Cl = BUF[2 * c], Ch = BUF[2 * c + 1]; // prettier-ignore
let Dl = BUF[2 * d], Dh = BUF[2 * d + 1]; // prettier-ignore
// v[a] = (v[a] + v[b] + x) | 0;
let ll = _u64_js_1.default.add3L(Al, Bl, Xl);
Ah = _u64_js_1.default.add3H(ll, Ah, Bh, Xh);
Al = ll | 0;
// v[d] = rotr(v[d] ^ v[a], 16)
({ Dh, Dl } = { Dh: Dh ^ Ah, Dl: Dl ^ Al });
({ Dh, Dl } = { Dh: _u64_js_1.default.rotrSH(Dh, Dl, 16), Dl: _u64_js_1.default.rotrSL(Dh, Dl, 16) });
// v[c] = (v[c] + v[d]) | 0;
({ h: Ch, l: Cl } = _u64_js_1.default.add(Ch, Cl, Dh, Dl));
// v[b] = rotr(v[b] ^ v[c], 63)
({ Bh, Bl } = { Bh: Bh ^ Ch, Bl: Bl ^ Cl });
({ Bh, Bl } = { Bh: _u64_js_1.default.rotrBH(Bh, Bl, 63), Bl: _u64_js_1.default.rotrBL(Bh, Bl, 63) });
(BUF[2 * a] = Al), (BUF[2 * a + 1] = Ah);
(BUF[2 * b] = Bl), (BUF[2 * b + 1] = Bh);
(BUF[2 * c] = Cl), (BUF[2 * c + 1] = Ch);
(BUF[2 * d] = Dl), (BUF[2 * d + 1] = Dh);
}
class BLAKE2b extends _blake2_js_1.BLAKE2 {
constructor(opts = {}) {
super(128, opts.dkLen === undefined ? 64 : opts.dkLen, opts, 64, 16, 16);
// Same as SHA-512, but LE
this.v0l = IV[0] | 0;
this.v0h = IV[1] | 0;
this.v1l = IV[2] | 0;
this.v1h = IV[3] | 0;
this.v2l = IV[4] | 0;
this.v2h = IV[5] | 0;
this.v3l = IV[6] | 0;
this.v3h = IV[7] | 0;
this.v4l = IV[8] | 0;
this.v4h = IV[9] | 0;
this.v5l = IV[10] | 0;
this.v5h = IV[11] | 0;
this.v6l = IV[12] | 0;
this.v6h = IV[13] | 0;
this.v7l = IV[14] | 0;
this.v7h = IV[15] | 0;
const keyLength = opts.key ? opts.key.length : 0;
this.v0l ^= this.outputLen | (keyLength << 8) | (0x01 << 16) | (0x01 << 24);
if (opts.salt) {
const salt = (0, utils_js_1.u32)((0, utils_js_1.toBytes)(opts.salt));
this.v4l ^= salt[0];
this.v4h ^= salt[1];
this.v5l ^= salt[2];
this.v5h ^= salt[3];
}
if (opts.personalization) {
const pers = (0, utils_js_1.u32)((0, utils_js_1.toBytes)(opts.personalization));
this.v6l ^= pers[0];
this.v6h ^= pers[1];
this.v7l ^= pers[2];
this.v7h ^= pers[3];
}
if (opts.key) {
// Pad to blockLen and update
const tmp = new Uint8Array(this.blockLen);
tmp.set((0, utils_js_1.toBytes)(opts.key));
this.update(tmp);
}
}
// prettier-ignore
get() {
let { v0l, v0h, v1l, v1h, v2l, v2h, v3l, v3h, v4l, v4h, v5l, v5h, v6l, v6h, v7l, v7h } = this;
return [v0l, v0h, v1l, v1h, v2l, v2h, v3l, v3h, v4l, v4h, v5l, v5h, v6l, v6h, v7l, v7h];
}
// prettier-ignore
set(v0l, v0h, v1l, v1h, v2l, v2h, v3l, v3h, v4l, v4h, v5l, v5h, v6l, v6h, v7l, v7h) {
this.v0l = v0l | 0;
this.v0h = v0h | 0;
this.v1l = v1l | 0;
this.v1h = v1h | 0;
this.v2l = v2l | 0;
this.v2h = v2h | 0;
this.v3l = v3l | 0;
this.v3h = v3h | 0;
this.v4l = v4l | 0;
this.v4h = v4h | 0;
this.v5l = v5l | 0;
this.v5h = v5h | 0;
this.v6l = v6l | 0;
this.v6h = v6h | 0;
this.v7l = v7l | 0;
this.v7h = v7h | 0;
}
compress(msg, offset, isLast) {
this.get().forEach((v, i) => (BUF[i] = v)); // First half from state.
BUF.set(IV, 16); // Second half from IV.
let { h, l } = _u64_js_1.default.fromBig(BigInt(this.length));
BUF[24] = IV[8] ^ l; // Low word of the offset.
BUF[25] = IV[9] ^ h; // High word.
// Invert all bits for last block
if (isLast) {
BUF[28] = ~BUF[28];
BUF[29] = ~BUF[29];
}
let j = 0;
const s = _blake2_js_1.SIGMA;
for (let i = 0; i < 12; i++) {
G1(0, 4, 8, 12, msg, offset + 2 * s[j++]);
G2(0, 4, 8, 12, msg, offset + 2 * s[j++]);
G1(1, 5, 9, 13, msg, offset + 2 * s[j++]);
G2(1, 5, 9, 13, msg, offset + 2 * s[j++]);
G1(2, 6, 10, 14, msg, offset + 2 * s[j++]);
G2(2, 6, 10, 14, msg, offset + 2 * s[j++]);
G1(3, 7, 11, 15, msg, offset + 2 * s[j++]);
G2(3, 7, 11, 15, msg, offset + 2 * s[j++]);
G1(0, 5, 10, 15, msg, offset + 2 * s[j++]);
G2(0, 5, 10, 15, msg, offset + 2 * s[j++]);
G1(1, 6, 11, 12, msg, offset + 2 * s[j++]);
G2(1, 6, 11, 12, msg, offset + 2 * s[j++]);
G1(2, 7, 8, 13, msg, offset + 2 * s[j++]);
G2(2, 7, 8, 13, msg, offset + 2 * s[j++]);
G1(3, 4, 9, 14, msg, offset + 2 * s[j++]);
G2(3, 4, 9, 14, msg, offset + 2 * s[j++]);
}
this.v0l ^= BUF[0] ^ BUF[16];
this.v0h ^= BUF[1] ^ BUF[17];
this.v1l ^= BUF[2] ^ BUF[18];
this.v1h ^= BUF[3] ^ BUF[19];
this.v2l ^= BUF[4] ^ BUF[20];
this.v2h ^= BUF[5] ^ BUF[21];
this.v3l ^= BUF[6] ^ BUF[22];
this.v3h ^= BUF[7] ^ BUF[23];
this.v4l ^= BUF[8] ^ BUF[24];
this.v4h ^= BUF[9] ^ BUF[25];
this.v5l ^= BUF[10] ^ BUF[26];
this.v5h ^= BUF[11] ^ BUF[27];
this.v6l ^= BUF[12] ^ BUF[28];
this.v6h ^= BUF[13] ^ BUF[29];
this.v7l ^= BUF[14] ^ BUF[30];
this.v7h ^= BUF[15] ^ BUF[31];
BUF.fill(0);
}
destroy() {
this.destroyed = true;
this.buffer32.fill(0);
this.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
}
}
/**
* BLAKE2b - optimized for 64-bit platforms. JS doesn't have uint64, so it's slower than BLAKE2s.
* @param msg - message that would be hashed
* @param opts - dkLen, key, salt, personalization
*/
exports.blake2b = (0, utils_js_1.wrapConstructorWithOpts)((opts) => new BLAKE2b(opts));
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Для локальной разработки. Не используйте в интернете!