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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.argon2idAsync = exports.argon2iAsync = exports.argon2dAsync = exports.argon2id = exports.argon2i = exports.argon2d = void 0;
- /**
- * Argon2 KDF from RFC 9106. Can be used to create a key from password and salt.
- * We suggest to use Scrypt. JS Argon is 2-10x slower than native code because of 64-bitness:
- * * argon uses uint64, but JS doesn't have fast uint64array
- * * uint64 multiplication is 1/3 of time
- * * `P` function would be very nice with u64, because most of value will be in registers,
- * hovewer with u32 it will require 32 registers, which is too much.
- * * JS arrays do slow bound checks, so reading from `A2_BUF` slows it down
- * @module
- */
- const _u64_ts_1 = require("./_u64.js");
- const blake2_ts_1 = require("./blake2.js");
- const utils_ts_1 = require("./utils.js");
- const AT = { Argond2d: 0, Argon2i: 1, Argon2id: 2 };
- const ARGON2_SYNC_POINTS = 4;
- const abytesOrZero = (buf) => {
- if (buf === undefined)
- return Uint8Array.of();
- return (0, utils_ts_1.kdfInputToBytes)(buf);
- };
- // u32 * u32 = u64
- function mul(a, b) {
- const aL = a & 0xffff;
- const aH = a >>> 16;
- const bL = b & 0xffff;
- const bH = b >>> 16;
- const ll = Math.imul(aL, bL);
- const hl = Math.imul(aH, bL);
- const lh = Math.imul(aL, bH);
- const hh = Math.imul(aH, bH);
- const carry = (ll >>> 16) + (hl & 0xffff) + lh;
- const high = (hh + (hl >>> 16) + (carry >>> 16)) | 0;
- const low = (carry << 16) | (ll & 0xffff);
- return { h: high, l: low };
- }
- function mul2(a, b) {
- // 2 * a * b (via shifts)
- const { h, l } = mul(a, b);
- return { h: ((h << 1) | (l >>> 31)) & 4294967295, l: (l << 1) & 4294967295 };
- }
- // BlaMka permutation for Argon2
- // A + B + (2 * u32(A) * u32(B))
- function blamka(Ah, Al, Bh, Bl) {
- const { h: Ch, l: Cl } = mul2(Al, Bl);
- // A + B + (2 * A * B)
- const Rll = (0, _u64_ts_1.add3L)(Al, Bl, Cl);
- return { h: (0, _u64_ts_1.add3H)(Rll, Ah, Bh, Ch), l: Rll | 0 };
- }
- // Temporary block buffer
- const A2_BUF = new Uint32Array(256); // 1024 bytes (matrix 16x16)
- function G(a, b, c, d) {
- let Al = A2_BUF[2 * a], Ah = A2_BUF[2 * a + 1]; // prettier-ignore
- let Bl = A2_BUF[2 * b], Bh = A2_BUF[2 * b + 1]; // prettier-ignore
- let Cl = A2_BUF[2 * c], Ch = A2_BUF[2 * c + 1]; // prettier-ignore
- let Dl = A2_BUF[2 * d], Dh = A2_BUF[2 * d + 1]; // prettier-ignore
- ({ h: Ah, l: Al } = blamka(Ah, Al, Bh, Bl));
- ({ Dh, Dl } = { Dh: Dh ^ Ah, Dl: Dl ^ Al });
- ({ Dh, Dl } = { Dh: (0, _u64_ts_1.rotr32H)(Dh, Dl), Dl: (0, _u64_ts_1.rotr32L)(Dh, Dl) });
- ({ h: Ch, l: Cl } = blamka(Ch, Cl, Dh, Dl));
- ({ Bh, Bl } = { Bh: Bh ^ Ch, Bl: Bl ^ Cl });
- ({ Bh, Bl } = { Bh: (0, _u64_ts_1.rotrSH)(Bh, Bl, 24), Bl: (0, _u64_ts_1.rotrSL)(Bh, Bl, 24) });
- ({ h: Ah, l: Al } = blamka(Ah, Al, Bh, Bl));
- ({ Dh, Dl } = { Dh: Dh ^ Ah, Dl: Dl ^ Al });
- ({ Dh, Dl } = { Dh: (0, _u64_ts_1.rotrSH)(Dh, Dl, 16), Dl: (0, _u64_ts_1.rotrSL)(Dh, Dl, 16) });
- ({ h: Ch, l: Cl } = blamka(Ch, Cl, Dh, Dl));
- ({ Bh, Bl } = { Bh: Bh ^ Ch, Bl: Bl ^ Cl });
- ({ Bh, Bl } = { Bh: (0, _u64_ts_1.rotrBH)(Bh, Bl, 63), Bl: (0, _u64_ts_1.rotrBL)(Bh, Bl, 63) });
- (A2_BUF[2 * a] = Al), (A2_BUF[2 * a + 1] = Ah);
- (A2_BUF[2 * b] = Bl), (A2_BUF[2 * b + 1] = Bh);
- (A2_BUF[2 * c] = Cl), (A2_BUF[2 * c + 1] = Ch);
- (A2_BUF[2 * d] = Dl), (A2_BUF[2 * d + 1] = Dh);
- }
- // prettier-ignore
- function P(v00, v01, v02, v03, v04, v05, v06, v07, v08, v09, v10, v11, v12, v13, v14, v15) {
- G(v00, v04, v08, v12);
- G(v01, v05, v09, v13);
- G(v02, v06, v10, v14);
- G(v03, v07, v11, v15);
- G(v00, v05, v10, v15);
- G(v01, v06, v11, v12);
- G(v02, v07, v08, v13);
- G(v03, v04, v09, v14);
- }
- function block(x, xPos, yPos, outPos, needXor) {
- for (let i = 0; i < 256; i++)
- A2_BUF[i] = x[xPos + i] ^ x[yPos + i];
- // columns (8)
- for (let i = 0; i < 128; i += 16) {
- // prettier-ignore
- P(i, i + 1, i + 2, i + 3, i + 4, i + 5, i + 6, i + 7, i + 8, i + 9, i + 10, i + 11, i + 12, i + 13, i + 14, i + 15);
- }
- // rows (8)
- for (let i = 0; i < 16; i += 2) {
- // prettier-ignore
- P(i, i + 1, i + 16, i + 17, i + 32, i + 33, i + 48, i + 49, i + 64, i + 65, i + 80, i + 81, i + 96, i + 97, i + 112, i + 113);
- }
- if (needXor)
- for (let i = 0; i < 256; i++)
- x[outPos + i] ^= A2_BUF[i] ^ x[xPos + i] ^ x[yPos + i];
- else
- for (let i = 0; i < 256; i++)
- x[outPos + i] = A2_BUF[i] ^ x[xPos + i] ^ x[yPos + i];
- (0, utils_ts_1.clean)(A2_BUF);
- }
- // Variable-Length Hash Function H'
- function Hp(A, dkLen) {
- const A8 = (0, utils_ts_1.u8)(A);
- const T = new Uint32Array(1);
- const T8 = (0, utils_ts_1.u8)(T);
- T[0] = dkLen;
- // Fast path
- if (dkLen <= 64)
- return blake2_ts_1.blake2b.create({ dkLen }).update(T8).update(A8).digest();
- const out = new Uint8Array(dkLen);
- let V = blake2_ts_1.blake2b.create({}).update(T8).update(A8).digest();
- let pos = 0;
- // First block
- out.set(V.subarray(0, 32));
- pos += 32;
- // Rest blocks
- for (; dkLen - pos > 64; pos += 32) {
- const Vh = blake2_ts_1.blake2b.create({}).update(V);
- Vh.digestInto(V);
- Vh.destroy();
- out.set(V.subarray(0, 32), pos);
- }
- // Last block
- out.set((0, blake2_ts_1.blake2b)(V, { dkLen: dkLen - pos }), pos);
- (0, utils_ts_1.clean)(V, T);
- return (0, utils_ts_1.u32)(out);
- }
- // Used only inside process block!
- function indexAlpha(r, s, laneLen, segmentLen, index, randL, sameLane = false) {
- // This is ugly, but close enough to reference implementation.
- let area;
- if (r === 0) {
- if (s === 0)
- area = index - 1;
- else if (sameLane)
- area = s * segmentLen + index - 1;
- else
- area = s * segmentLen + (index == 0 ? -1 : 0);
- }
- else if (sameLane)
- area = laneLen - segmentLen + index - 1;
- else
- area = laneLen - segmentLen + (index == 0 ? -1 : 0);
- const startPos = r !== 0 && s !== ARGON2_SYNC_POINTS - 1 ? (s + 1) * segmentLen : 0;
- const rel = area - 1 - mul(area, mul(randL, randL).h).h;
- return (startPos + rel) % laneLen;
- }
- const maxUint32 = Math.pow(2, 32);
- function isU32(num) {
- return Number.isSafeInteger(num) && num >= 0 && num < maxUint32;
- }
- function argon2Opts(opts) {
- const merged = {
- version: 0x13,
- dkLen: 32,
- maxmem: maxUint32 - 1,
- asyncTick: 10,
- };
- for (let [k, v] of Object.entries(opts))
- if (v != null)
- merged[k] = v;
- const { dkLen, p, m, t, version, onProgress } = merged;
- if (!isU32(dkLen) || dkLen < 4)
- throw new Error('dkLen should be at least 4 bytes');
- if (!isU32(p) || p < 1 || p >= Math.pow(2, 24))
- throw new Error('p should be 1 <= p < 2^24');
- if (!isU32(m))
- throw new Error('m should be 0 <= m < 2^32');
- if (!isU32(t) || t < 1)
- throw new Error('t (iterations) should be 1 <= t < 2^32');
- if (onProgress !== undefined && typeof onProgress !== 'function')
- throw new Error('progressCb should be function');
- /*
- Memory size m MUST be an integer number of kibibytes from 8*p to 2^(32)-1. The actual number of blocks is m', which is m rounded down to the nearest multiple of 4*p.
- */
- if (!isU32(m) || m < 8 * p)
- throw new Error('memory should be at least 8*p bytes');
- if (version !== 0x10 && version !== 0x13)
- throw new Error('unknown version=' + version);
- return merged;
- }
- function argon2Init(password, salt, type, opts) {
- password = (0, utils_ts_1.kdfInputToBytes)(password);
- salt = (0, utils_ts_1.kdfInputToBytes)(salt);
- (0, utils_ts_1.abytes)(password);
- (0, utils_ts_1.abytes)(salt);
- if (!isU32(password.length))
- throw new Error('password should be less than 4 GB');
- if (!isU32(salt.length) || salt.length < 8)
- throw new Error('salt should be at least 8 bytes and less than 4 GB');
- if (!Object.values(AT).includes(type))
- throw new Error('invalid type');
- let { p, dkLen, m, t, version, key, personalization, maxmem, onProgress, asyncTick } = argon2Opts(opts);
- // Validation
- key = abytesOrZero(key);
- personalization = abytesOrZero(personalization);
- // H_0 = H^(64)(LE32(p) || LE32(T) || LE32(m) || LE32(t) ||
- // LE32(v) || LE32(y) || LE32(length(P)) || P ||
- // LE32(length(S)) || S || LE32(length(K)) || K ||
- // LE32(length(X)) || X)
- const h = blake2_ts_1.blake2b.create({});
- const BUF = new Uint32Array(1);
- const BUF8 = (0, utils_ts_1.u8)(BUF);
- for (let item of [p, dkLen, m, t, version, type]) {
- BUF[0] = item;
- h.update(BUF8);
- }
- for (let i of [password, salt, key, personalization]) {
- BUF[0] = i.length; // BUF is u32 array, this is valid
- h.update(BUF8).update(i);
- }
- const H0 = new Uint32Array(18);
- const H0_8 = (0, utils_ts_1.u8)(H0);
- h.digestInto(H0_8);
- // 256 u32 = 1024 (BLOCK_SIZE), fills A2_BUF on processing
- // Params
- const lanes = p;
- // m' = 4 * p * floor (m / 4p)
- const mP = 4 * p * Math.floor(m / (ARGON2_SYNC_POINTS * p));
- //q = m' / p columns
- const laneLen = Math.floor(mP / p);
- const segmentLen = Math.floor(laneLen / ARGON2_SYNC_POINTS);
- const memUsed = mP * 256;
- if (!isU32(maxmem) || memUsed > maxmem)
- throw new Error('mem should be less than 2**32, got: maxmem=' + maxmem + ', memused=' + memUsed);
- const B = new Uint32Array(memUsed);
- // Fill first blocks
- for (let l = 0; l < p; l++) {
- const i = 256 * laneLen * l;
- // B[i][0] = H'^(1024)(H_0 || LE32(0) || LE32(i))
- H0[17] = l;
- H0[16] = 0;
- B.set(Hp(H0, 1024), i);
- // B[i][1] = H'^(1024)(H_0 || LE32(1) || LE32(i))
- H0[16] = 1;
- B.set(Hp(H0, 1024), i + 256);
- }
- let perBlock = () => { };
- if (onProgress) {
- const totalBlock = t * ARGON2_SYNC_POINTS * p * segmentLen;
- // Invoke callback if progress changes from 10.01 to 10.02
- // Allows to draw smooth progress bar on up to 8K screen
- const callbackPer = Math.max(Math.floor(totalBlock / 10000), 1);
- let blockCnt = 0;
- perBlock = () => {
- blockCnt++;
- if (onProgress && (!(blockCnt % callbackPer) || blockCnt === totalBlock))
- onProgress(blockCnt / totalBlock);
- };
- }
- (0, utils_ts_1.clean)(BUF, H0);
- return { type, mP, p, t, version, B, laneLen, lanes, segmentLen, dkLen, perBlock, asyncTick };
- }
- function argon2Output(B, p, laneLen, dkLen) {
- const B_final = new Uint32Array(256);
- for (let l = 0; l < p; l++)
- for (let j = 0; j < 256; j++)
- B_final[j] ^= B[256 * (laneLen * l + laneLen - 1) + j];
- const res = (0, utils_ts_1.u8)(Hp(B_final, dkLen));
- (0, utils_ts_1.clean)(B_final);
- return res;
- }
- function processBlock(B, address, l, r, s, index, laneLen, segmentLen, lanes, offset, prev, dataIndependent, needXor) {
- if (offset % laneLen)
- prev = offset - 1;
- let randL, randH;
- if (dataIndependent) {
- let i128 = index % 128;
- if (i128 === 0) {
- address[256 + 12]++;
- block(address, 256, 2 * 256, 0, false);
- block(address, 0, 2 * 256, 0, false);
- }
- randL = address[2 * i128];
- randH = address[2 * i128 + 1];
- }
- else {
- const T = 256 * prev;
- randL = B[T];
- randH = B[T + 1];
- }
- // address block
- const refLane = r === 0 && s === 0 ? l : randH % lanes;
- const refPos = indexAlpha(r, s, laneLen, segmentLen, index, randL, refLane == l);
- const refBlock = laneLen * refLane + refPos;
- // B[i][j] = G(B[i][j-1], B[l][z])
- block(B, 256 * prev, 256 * refBlock, offset * 256, needXor);
- }
- function argon2(type, password, salt, opts) {
- const { mP, p, t, version, B, laneLen, lanes, segmentLen, dkLen, perBlock } = argon2Init(password, salt, type, opts);
- // Pre-loop setup
- // [address, input, zero_block] format so we can pass single U32 to block function
- const address = new Uint32Array(3 * 256);
- address[256 + 6] = mP;
- address[256 + 8] = t;
- address[256 + 10] = type;
- for (let r = 0; r < t; r++) {
- const needXor = r !== 0 && version === 0x13;
- address[256 + 0] = r;
- for (let s = 0; s < ARGON2_SYNC_POINTS; s++) {
- address[256 + 4] = s;
- const dataIndependent = type == AT.Argon2i || (type == AT.Argon2id && r === 0 && s < 2);
- for (let l = 0; l < p; l++) {
- address[256 + 2] = l;
- address[256 + 12] = 0;
- let startPos = 0;
- if (r === 0 && s === 0) {
- startPos = 2;
- if (dataIndependent) {
- address[256 + 12]++;
- block(address, 256, 2 * 256, 0, false);
- block(address, 0, 2 * 256, 0, false);
- }
- }
- // current block postion
- let offset = l * laneLen + s * segmentLen + startPos;
- // previous block position
- let prev = offset % laneLen ? offset - 1 : offset + laneLen - 1;
- for (let index = startPos; index < segmentLen; index++, offset++, prev++) {
- perBlock();
- processBlock(B, address, l, r, s, index, laneLen, segmentLen, lanes, offset, prev, dataIndependent, needXor);
- }
- }
- }
- }
- (0, utils_ts_1.clean)(address);
- return argon2Output(B, p, laneLen, dkLen);
- }
- /** argon2d GPU-resistant version. */
- const argon2d = (password, salt, opts) => argon2(AT.Argond2d, password, salt, opts);
- exports.argon2d = argon2d;
- /** argon2i side-channel-resistant version. */
- const argon2i = (password, salt, opts) => argon2(AT.Argon2i, password, salt, opts);
- exports.argon2i = argon2i;
- /** argon2id, combining i+d, the most popular version from RFC 9106 */
- const argon2id = (password, salt, opts) => argon2(AT.Argon2id, password, salt, opts);
- exports.argon2id = argon2id;
- async function argon2Async(type, password, salt, opts) {
- const { mP, p, t, version, B, laneLen, lanes, segmentLen, dkLen, perBlock, asyncTick } = argon2Init(password, salt, type, opts);
- // Pre-loop setup
- // [address, input, zero_block] format so we can pass single U32 to block function
- const address = new Uint32Array(3 * 256);
- address[256 + 6] = mP;
- address[256 + 8] = t;
- address[256 + 10] = type;
- let ts = Date.now();
- for (let r = 0; r < t; r++) {
- const needXor = r !== 0 && version === 0x13;
- address[256 + 0] = r;
- for (let s = 0; s < ARGON2_SYNC_POINTS; s++) {
- address[256 + 4] = s;
- const dataIndependent = type == AT.Argon2i || (type == AT.Argon2id && r === 0 && s < 2);
- for (let l = 0; l < p; l++) {
- address[256 + 2] = l;
- address[256 + 12] = 0;
- let startPos = 0;
- if (r === 0 && s === 0) {
- startPos = 2;
- if (dataIndependent) {
- address[256 + 12]++;
- block(address, 256, 2 * 256, 0, false);
- block(address, 0, 2 * 256, 0, false);
- }
- }
- // current block postion
- let offset = l * laneLen + s * segmentLen + startPos;
- // previous block position
- let prev = offset % laneLen ? offset - 1 : offset + laneLen - 1;
- for (let index = startPos; index < segmentLen; index++, offset++, prev++) {
- perBlock();
- processBlock(B, address, l, r, s, index, laneLen, segmentLen, lanes, offset, prev, dataIndependent, needXor);
- // Date.now() is not monotonic, so in case if clock goes backwards we return return control too
- const diff = Date.now() - ts;
- if (!(diff >= 0 && diff < asyncTick)) {
- await (0, utils_ts_1.nextTick)();
- ts += diff;
- }
- }
- }
- }
- }
- (0, utils_ts_1.clean)(address);
- return argon2Output(B, p, laneLen, dkLen);
- }
- /** argon2d async GPU-resistant version. */
- const argon2dAsync = (password, salt, opts) => argon2Async(AT.Argond2d, password, salt, opts);
- exports.argon2dAsync = argon2dAsync;
- /** argon2i async side-channel-resistant version. */
- const argon2iAsync = (password, salt, opts) => argon2Async(AT.Argon2i, password, salt, opts);
- exports.argon2iAsync = argon2iAsync;
- /** argon2id async, combining i+d, the most popular version from RFC 9106 */
- const argon2idAsync = (password, salt, opts) => argon2Async(AT.Argon2id, password, salt, opts);
- exports.argon2idAsync = argon2idAsync;
- //# sourceMappingURL=argon2.js.map
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