knxultimate
Version:
KNX IP protocol implementation for Node. This is the ENGINE of Node-Red KNX-Ultimate node.
1,554 lines • 38.6 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateKeyPair = exports.sharedKey = void 0;
const _0 = new Uint8Array(16);
const _9 = new Uint8Array(32);
_9[0] = 9;
function gf(init) {
let i;
const r = new Float64Array(16);
if (init) {
for (i = 0; i < init.length; i++) {
r[i] = init[i];
}
}
return r;
}
const gf0 = gf();
const gf1 = gf([1]);
const _121665 = gf([0xdb41, 1]);
const D = gf([
0x78a3, 0x1359, 0x4dca, 0x75eb, 0xd8ab, 0x4141, 0x0a4d, 0x0070, 0xe898,
0x7779, 0x4079, 0x8cc7, 0xfe73, 0x2b6f, 0x6cee, 0x5203,
]);
const D2 = gf([
0xf159, 0x26b2, 0x9b94, 0xebd6, 0xb156, 0x8283, 0x149a, 0x00e0, 0xd130,
0xeef3, 0x80f2, 0x198e, 0xfce7, 0x56df, 0xd9dc, 0x2406,
]);
const X = gf([
0xd51a, 0x8f25, 0x2d60, 0xc956, 0xa7b2, 0x9525, 0xc760, 0x692c, 0xdc5c,
0xfdd6, 0xe231, 0xc0a4, 0x53fe, 0xcd6e, 0x36d3, 0x2169,
]);
const Y = gf([
0x6658, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666,
0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666,
]);
const I = gf([
0xa0b0, 0x4a0e, 0x1b27, 0xc4ee, 0xe478, 0xad2f, 0x1806, 0x2f43, 0xd7a7,
0x3dfb, 0x0099, 0x2b4d, 0xdf0b, 0x4fc1, 0x2480, 0x2b83,
]);
function ts64(x, i, h, l) {
x[i] = (h >> 24) & 0xff;
x[i + 1] = (h >> 16) & 0xff;
x[i + 2] = (h >> 8) & 0xff;
x[i + 3] = h & 0xff;
x[i + 4] = (l >> 24) & 0xff;
x[i + 5] = (l >> 16) & 0xff;
x[i + 6] = (l >> 8) & 0xff;
x[i + 7] = l & 0xff;
}
function vn(x, xi, y, yi, n) {
let i;
let d = 0;
for (i = 0; i < n; i++) {
d |= x[xi + i] ^ y[yi + i];
}
return (1 & ((d - 1) >>> 8)) - 1;
}
function crypto_verify_32(x, xi, y, yi) {
return vn(x, xi, y, yi, 32);
}
function set25519(r, a) {
let i;
for (i = 0; i < 16; i++) {
r[i] = a[i] | 0;
}
}
function car25519(o) {
let i;
let v;
let c = 1;
for (i = 0; i < 16; i++) {
v = o[i] + c + 65535;
c = Math.floor(v / 65536);
o[i] = v - c * 65536;
}
o[0] += c - 1 + 37 * (c - 1);
}
function sel25519(p, q, b) {
let t;
const c = ~(b - 1);
for (let i = 0; i < 16; i++) {
t = c & (p[i] ^ q[i]);
p[i] ^= t;
q[i] ^= t;
}
}
function pack25519(o, n) {
let i;
let j;
let b;
const m = gf();
const t = gf();
for (i = 0; i < 16; i++) {
t[i] = n[i];
}
car25519(t);
car25519(t);
car25519(t);
for (j = 0; j < 2; j++) {
m[0] = t[0] - 0xffed;
for (i = 1; i < 15; i++) {
m[i] = t[i] - 0xffff - ((m[i - 1] >> 16) & 1);
m[i - 1] &= 0xffff;
}
m[15] = t[15] - 0x7fff - ((m[14] >> 16) & 1);
b = (m[15] >> 16) & 1;
m[14] &= 0xffff;
sel25519(t, m, 1 - b);
}
for (i = 0; i < 16; i++) {
o[2 * i] = t[i] & 0xff;
o[2 * i + 1] = t[i] >> 8;
}
}
function neq25519(a, b) {
const c = new Uint8Array(32);
const d = new Uint8Array(32);
pack25519(c, a);
pack25519(d, b);
return crypto_verify_32(c, 0, d, 0);
}
function par25519(a) {
const d = new Uint8Array(32);
pack25519(d, a);
return d[0] & 1;
}
function unpack25519(o, n) {
let i;
for (i = 0; i < 16; i++) {
o[i] = n[2 * i] + (n[2 * i + 1] << 8);
}
o[15] &= 0x7fff;
}
function A(o, a, b) {
for (let i = 0; i < 16; i++) {
o[i] = a[i] + b[i];
}
}
function Z(o, a, b) {
for (let i = 0; i < 16; i++) {
o[i] = a[i] - b[i];
}
}
function M(o, a, b) {
let v;
let c;
let t0 = 0;
let t1 = 0;
let t2 = 0;
let t3 = 0;
let t4 = 0;
let t5 = 0;
let t6 = 0;
let t7 = 0;
let t8 = 0;
let t9 = 0;
let t10 = 0;
let t11 = 0;
let t12 = 0;
let t13 = 0;
let t14 = 0;
let t15 = 0;
let t16 = 0;
let t17 = 0;
let t18 = 0;
let t19 = 0;
let t20 = 0;
let t21 = 0;
let t22 = 0;
let t23 = 0;
let t24 = 0;
let t25 = 0;
let t26 = 0;
let t27 = 0;
let t28 = 0;
let t29 = 0;
let t30 = 0;
const b0 = b[0];
const b1 = b[1];
const b2 = b[2];
const b3 = b[3];
const b4 = b[4];
const b5 = b[5];
const b6 = b[6];
const b7 = b[7];
const b8 = b[8];
const b9 = b[9];
const b10 = b[10];
const b11 = b[11];
const b12 = b[12];
const b13 = b[13];
const b14 = b[14];
const b15 = b[15];
v = a[0];
t0 += v * b0;
t1 += v * b1;
t2 += v * b2;
t3 += v * b3;
t4 += v * b4;
t5 += v * b5;
t6 += v * b6;
t7 += v * b7;
t8 += v * b8;
t9 += v * b9;
t10 += v * b10;
t11 += v * b11;
t12 += v * b12;
t13 += v * b13;
t14 += v * b14;
t15 += v * b15;
v = a[1];
t1 += v * b0;
t2 += v * b1;
t3 += v * b2;
t4 += v * b3;
t5 += v * b4;
t6 += v * b5;
t7 += v * b6;
t8 += v * b7;
t9 += v * b8;
t10 += v * b9;
t11 += v * b10;
t12 += v * b11;
t13 += v * b12;
t14 += v * b13;
t15 += v * b14;
t16 += v * b15;
v = a[2];
t2 += v * b0;
t3 += v * b1;
t4 += v * b2;
t5 += v * b3;
t6 += v * b4;
t7 += v * b5;
t8 += v * b6;
t9 += v * b7;
t10 += v * b8;
t11 += v * b9;
t12 += v * b10;
t13 += v * b11;
t14 += v * b12;
t15 += v * b13;
t16 += v * b14;
t17 += v * b15;
v = a[3];
t3 += v * b0;
t4 += v * b1;
t5 += v * b2;
t6 += v * b3;
t7 += v * b4;
t8 += v * b5;
t9 += v * b6;
t10 += v * b7;
t11 += v * b8;
t12 += v * b9;
t13 += v * b10;
t14 += v * b11;
t15 += v * b12;
t16 += v * b13;
t17 += v * b14;
t18 += v * b15;
v = a[4];
t4 += v * b0;
t5 += v * b1;
t6 += v * b2;
t7 += v * b3;
t8 += v * b4;
t9 += v * b5;
t10 += v * b6;
t11 += v * b7;
t12 += v * b8;
t13 += v * b9;
t14 += v * b10;
t15 += v * b11;
t16 += v * b12;
t17 += v * b13;
t18 += v * b14;
t19 += v * b15;
v = a[5];
t5 += v * b0;
t6 += v * b1;
t7 += v * b2;
t8 += v * b3;
t9 += v * b4;
t10 += v * b5;
t11 += v * b6;
t12 += v * b7;
t13 += v * b8;
t14 += v * b9;
t15 += v * b10;
t16 += v * b11;
t17 += v * b12;
t18 += v * b13;
t19 += v * b14;
t20 += v * b15;
v = a[6];
t6 += v * b0;
t7 += v * b1;
t8 += v * b2;
t9 += v * b3;
t10 += v * b4;
t11 += v * b5;
t12 += v * b6;
t13 += v * b7;
t14 += v * b8;
t15 += v * b9;
t16 += v * b10;
t17 += v * b11;
t18 += v * b12;
t19 += v * b13;
t20 += v * b14;
t21 += v * b15;
v = a[7];
t7 += v * b0;
t8 += v * b1;
t9 += v * b2;
t10 += v * b3;
t11 += v * b4;
t12 += v * b5;
t13 += v * b6;
t14 += v * b7;
t15 += v * b8;
t16 += v * b9;
t17 += v * b10;
t18 += v * b11;
t19 += v * b12;
t20 += v * b13;
t21 += v * b14;
t22 += v * b15;
v = a[8];
t8 += v * b0;
t9 += v * b1;
t10 += v * b2;
t11 += v * b3;
t12 += v * b4;
t13 += v * b5;
t14 += v * b6;
t15 += v * b7;
t16 += v * b8;
t17 += v * b9;
t18 += v * b10;
t19 += v * b11;
t20 += v * b12;
t21 += v * b13;
t22 += v * b14;
t23 += v * b15;
v = a[9];
t9 += v * b0;
t10 += v * b1;
t11 += v * b2;
t12 += v * b3;
t13 += v * b4;
t14 += v * b5;
t15 += v * b6;
t16 += v * b7;
t17 += v * b8;
t18 += v * b9;
t19 += v * b10;
t20 += v * b11;
t21 += v * b12;
t22 += v * b13;
t23 += v * b14;
t24 += v * b15;
v = a[10];
t10 += v * b0;
t11 += v * b1;
t12 += v * b2;
t13 += v * b3;
t14 += v * b4;
t15 += v * b5;
t16 += v * b6;
t17 += v * b7;
t18 += v * b8;
t19 += v * b9;
t20 += v * b10;
t21 += v * b11;
t22 += v * b12;
t23 += v * b13;
t24 += v * b14;
t25 += v * b15;
v = a[11];
t11 += v * b0;
t12 += v * b1;
t13 += v * b2;
t14 += v * b3;
t15 += v * b4;
t16 += v * b5;
t17 += v * b6;
t18 += v * b7;
t19 += v * b8;
t20 += v * b9;
t21 += v * b10;
t22 += v * b11;
t23 += v * b12;
t24 += v * b13;
t25 += v * b14;
t26 += v * b15;
v = a[12];
t12 += v * b0;
t13 += v * b1;
t14 += v * b2;
t15 += v * b3;
t16 += v * b4;
t17 += v * b5;
t18 += v * b6;
t19 += v * b7;
t20 += v * b8;
t21 += v * b9;
t22 += v * b10;
t23 += v * b11;
t24 += v * b12;
t25 += v * b13;
t26 += v * b14;
t27 += v * b15;
v = a[13];
t13 += v * b0;
t14 += v * b1;
t15 += v * b2;
t16 += v * b3;
t17 += v * b4;
t18 += v * b5;
t19 += v * b6;
t20 += v * b7;
t21 += v * b8;
t22 += v * b9;
t23 += v * b10;
t24 += v * b11;
t25 += v * b12;
t26 += v * b13;
t27 += v * b14;
t28 += v * b15;
v = a[14];
t14 += v * b0;
t15 += v * b1;
t16 += v * b2;
t17 += v * b3;
t18 += v * b4;
t19 += v * b5;
t20 += v * b6;
t21 += v * b7;
t22 += v * b8;
t23 += v * b9;
t24 += v * b10;
t25 += v * b11;
t26 += v * b12;
t27 += v * b13;
t28 += v * b14;
t29 += v * b15;
v = a[15];
t15 += v * b0;
t16 += v * b1;
t17 += v * b2;
t18 += v * b3;
t19 += v * b4;
t20 += v * b5;
t21 += v * b6;
t22 += v * b7;
t23 += v * b8;
t24 += v * b9;
t25 += v * b10;
t26 += v * b11;
t27 += v * b12;
t28 += v * b13;
t29 += v * b14;
t30 += v * b15;
t0 += 38 * t16;
t1 += 38 * t17;
t2 += 38 * t18;
t3 += 38 * t19;
t4 += 38 * t20;
t5 += 38 * t21;
t6 += 38 * t22;
t7 += 38 * t23;
t8 += 38 * t24;
t9 += 38 * t25;
t10 += 38 * t26;
t11 += 38 * t27;
t12 += 38 * t28;
t13 += 38 * t29;
t14 += 38 * t30;
c = 1;
v = t0 + c + 65535;
c = Math.floor(v / 65536);
t0 = v - c * 65536;
v = t1 + c + 65535;
c = Math.floor(v / 65536);
t1 = v - c * 65536;
v = t2 + c + 65535;
c = Math.floor(v / 65536);
t2 = v - c * 65536;
v = t3 + c + 65535;
c = Math.floor(v / 65536);
t3 = v - c * 65536;
v = t4 + c + 65535;
c = Math.floor(v / 65536);
t4 = v - c * 65536;
v = t5 + c + 65535;
c = Math.floor(v / 65536);
t5 = v - c * 65536;
v = t6 + c + 65535;
c = Math.floor(v / 65536);
t6 = v - c * 65536;
v = t7 + c + 65535;
c = Math.floor(v / 65536);
t7 = v - c * 65536;
v = t8 + c + 65535;
c = Math.floor(v / 65536);
t8 = v - c * 65536;
v = t9 + c + 65535;
c = Math.floor(v / 65536);
t9 = v - c * 65536;
v = t10 + c + 65535;
c = Math.floor(v / 65536);
t10 = v - c * 65536;
v = t11 + c + 65535;
c = Math.floor(v / 65536);
t11 = v - c * 65536;
v = t12 + c + 65535;
c = Math.floor(v / 65536);
t12 = v - c * 65536;
v = t13 + c + 65535;
c = Math.floor(v / 65536);
t13 = v - c * 65536;
v = t14 + c + 65535;
c = Math.floor(v / 65536);
t14 = v - c * 65536;
v = t15 + c + 65535;
c = Math.floor(v / 65536);
t15 = v - c * 65536;
t0 += c - 1 + 37 * (c - 1);
c = 1;
v = t0 + c + 65535;
c = Math.floor(v / 65536);
t0 = v - c * 65536;
v = t1 + c + 65535;
c = Math.floor(v / 65536);
t1 = v - c * 65536;
v = t2 + c + 65535;
c = Math.floor(v / 65536);
t2 = v - c * 65536;
v = t3 + c + 65535;
c = Math.floor(v / 65536);
t3 = v - c * 65536;
v = t4 + c + 65535;
c = Math.floor(v / 65536);
t4 = v - c * 65536;
v = t5 + c + 65535;
c = Math.floor(v / 65536);
t5 = v - c * 65536;
v = t6 + c + 65535;
c = Math.floor(v / 65536);
t6 = v - c * 65536;
v = t7 + c + 65535;
c = Math.floor(v / 65536);
t7 = v - c * 65536;
v = t8 + c + 65535;
c = Math.floor(v / 65536);
t8 = v - c * 65536;
v = t9 + c + 65535;
c = Math.floor(v / 65536);
t9 = v - c * 65536;
v = t10 + c + 65535;
c = Math.floor(v / 65536);
t10 = v - c * 65536;
v = t11 + c + 65535;
c = Math.floor(v / 65536);
t11 = v - c * 65536;
v = t12 + c + 65535;
c = Math.floor(v / 65536);
t12 = v - c * 65536;
v = t13 + c + 65535;
c = Math.floor(v / 65536);
t13 = v - c * 65536;
v = t14 + c + 65535;
c = Math.floor(v / 65536);
t14 = v - c * 65536;
v = t15 + c + 65535;
c = Math.floor(v / 65536);
t15 = v - c * 65536;
t0 += c - 1 + 37 * (c - 1);
o[0] = t0;
o[1] = t1;
o[2] = t2;
o[3] = t3;
o[4] = t4;
o[5] = t5;
o[6] = t6;
o[7] = t7;
o[8] = t8;
o[9] = t9;
o[10] = t10;
o[11] = t11;
o[12] = t12;
o[13] = t13;
o[14] = t14;
o[15] = t15;
}
function S(o, a) {
M(o, a, a);
}
function inv25519(o, i) {
const c = gf();
let a;
for (a = 0; a < 16; a++) {
c[a] = i[a];
}
for (a = 253; a >= 0; a--) {
S(c, c);
if (a !== 2 && a !== 4) {
M(c, c, i);
}
}
for (a = 0; a < 16; a++) {
o[a] = c[a];
}
}
function pow2523(o, i) {
const c = gf();
let a;
for (a = 0; a < 16; a++) {
c[a] = i[a];
}
for (a = 250; a >= 0; a--) {
S(c, c);
if (a !== 1) {
M(c, c, i);
}
}
for (a = 0; a < 16; a++) {
o[a] = c[a];
}
}
function crypto_scalarmult(q, n, p) {
const z = new Uint8Array(32);
const x = new Float64Array(80);
let r;
let i;
const a = gf();
const b = gf();
const c = gf();
const d = gf();
const e = gf();
const f = gf();
for (i = 0; i < 31; i++) {
z[i] = n[i];
}
z[31] = (n[31] & 127) | 64;
z[0] &= 248;
unpack25519(x, p);
for (i = 0; i < 16; i++) {
b[i] = x[i];
d[i] = a[i] = c[i] = 0;
}
a[0] = d[0] = 1;
for (i = 254; i >= 0; --i) {
r = (z[i >>> 3] >>> (i & 7)) & 1;
sel25519(a, b, r);
sel25519(c, d, r);
A(e, a, c);
Z(a, a, c);
A(c, b, d);
Z(b, b, d);
S(d, e);
S(f, a);
M(a, c, a);
M(c, b, e);
A(e, a, c);
Z(a, a, c);
S(b, a);
Z(c, d, f);
M(a, c, _121665);
A(a, a, d);
M(c, c, a);
M(a, d, f);
M(d, b, x);
S(b, e);
sel25519(a, b, r);
sel25519(c, d, r);
}
for (i = 0; i < 16; i++) {
x[i + 16] = a[i];
x[i + 32] = c[i];
x[i + 48] = b[i];
x[i + 64] = d[i];
}
const x32 = x.subarray(32);
const x16 = x.subarray(16);
inv25519(x32, x32);
M(x16, x16, x32);
pack25519(q, x16);
return 0;
}
function crypto_scalarmult_base(q, n) {
return crypto_scalarmult(q, n, _9);
}
const K = [
0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, 0xb5c0fbcf, 0xec4d3b2f,
0xe9b5dba5, 0x8189dbbc, 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, 0xd807aa98, 0xa3030242,
0x12835b01, 0x45706fbe, 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, 0x9bdc06a7, 0x25c71235,
0xc19bf174, 0xcf692694, 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, 0x2de92c6f, 0x592b0275,
0x4a7484aa, 0x6ea6e483, 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, 0xb00327c8, 0x98fb213f,
0xbf597fc7, 0xbeef0ee4, 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, 0x27b70a85, 0x46d22ffc,
0x2e1b2138, 0x5c26c926, 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, 0x81c2c92e, 0x47edaee6,
0x92722c85, 0x1482353b, 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, 0xd192e819, 0xd6ef5218,
0xd6990624, 0x5565a910, 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, 0x2748774c, 0xdf8eeb99,
0x34b0bcb5, 0xe19b48a8, 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, 0x748f82ee, 0x5defb2fc,
0x78a5636f, 0x43172f60, 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, 0xbef9a3f7, 0xb2c67915,
0xc67178f2, 0xe372532b, 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, 0x06f067aa, 0x72176fba,
0x0a637dc5, 0xa2c898a6, 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, 0x3c9ebe0a, 0x15c9bebc,
0x431d67c4, 0x9c100d4c, 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817,
];
function crypto_hashblocks_hl(hh, hl, m, n) {
const wh = new Int32Array(16);
const wl = new Int32Array(16);
let bh0;
let bh1;
let bh2;
let bh3;
let bh4;
let bh5;
let bh6;
let bh7;
let bl0;
let bl1;
let bl2;
let bl3;
let bl4;
let bl5;
let bl6;
let bl7;
let th;
let tl;
let i;
let j;
let h;
let l;
let a;
let b;
let c;
let d;
let ah0 = hh[0];
let ah1 = hh[1];
let ah2 = hh[2];
let ah3 = hh[3];
let ah4 = hh[4];
let ah5 = hh[5];
let ah6 = hh[6];
let ah7 = hh[7];
let al0 = hl[0];
let al1 = hl[1];
let al2 = hl[2];
let al3 = hl[3];
let al4 = hl[4];
let al5 = hl[5];
let al6 = hl[6];
let al7 = hl[7];
let pos = 0;
while (n >= 128) {
for (i = 0; i < 16; i++) {
j = 8 * i + pos;
wh[i] =
(m[j + 0] << 24) | (m[j + 1] << 16) | (m[j + 2] << 8) | m[j + 3];
wl[i] =
(m[j + 4] << 24) | (m[j + 5] << 16) | (m[j + 6] << 8) | m[j + 7];
}
for (i = 0; i < 80; i++) {
bh0 = ah0;
bh1 = ah1;
bh2 = ah2;
bh3 = ah3;
bh4 = ah4;
bh5 = ah5;
bh6 = ah6;
bh7 = ah7;
bl0 = al0;
bl1 = al1;
bl2 = al2;
bl3 = al3;
bl4 = al4;
bl5 = al5;
bl6 = al6;
bl7 = al7;
h = ah7;
l = al7;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h =
((ah4 >>> 14) | (al4 << (32 - 14))) ^
((ah4 >>> 18) | (al4 << (32 - 18))) ^
((al4 >>> (41 - 32)) | (ah4 << (32 - (41 - 32))));
l =
((al4 >>> 14) | (ah4 << (32 - 14))) ^
((al4 >>> 18) | (ah4 << (32 - 18))) ^
((ah4 >>> (41 - 32)) | (al4 << (32 - (41 - 32))));
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
h = (ah4 & ah5) ^ (~ah4 & ah6);
l = (al4 & al5) ^ (~al4 & al6);
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
h = K[i * 2];
l = K[i * 2 + 1];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
h = wh[i % 16];
l = wl[i % 16];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
th = (c & 0xffff) | (d << 16);
tl = (a & 0xffff) | (b << 16);
h = th;
l = tl;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h =
((ah0 >>> 28) | (al0 << (32 - 28))) ^
((al0 >>> (34 - 32)) | (ah0 << (32 - (34 - 32)))) ^
((al0 >>> (39 - 32)) | (ah0 << (32 - (39 - 32))));
l =
((al0 >>> 28) | (ah0 << (32 - 28))) ^
((ah0 >>> (34 - 32)) | (al0 << (32 - (34 - 32)))) ^
((ah0 >>> (39 - 32)) | (al0 << (32 - (39 - 32))));
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
h = (ah0 & ah1) ^ (ah0 & ah2) ^ (ah1 & ah2);
l = (al0 & al1) ^ (al0 & al2) ^ (al1 & al2);
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
bh7 = (c & 0xffff) | (d << 16);
bl7 = (a & 0xffff) | (b << 16);
h = bh3;
l = bl3;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = th;
l = tl;
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
bh3 = (c & 0xffff) | (d << 16);
bl3 = (a & 0xffff) | (b << 16);
ah1 = bh0;
ah2 = bh1;
ah3 = bh2;
ah4 = bh3;
ah5 = bh4;
ah6 = bh5;
ah7 = bh6;
ah0 = bh7;
al1 = bl0;
al2 = bl1;
al3 = bl2;
al4 = bl3;
al5 = bl4;
al6 = bl5;
al7 = bl6;
al0 = bl7;
if (i % 16 === 15) {
for (j = 0; j < 16; j++) {
h = wh[j];
l = wl[j];
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = wh[(j + 9) % 16];
l = wl[(j + 9) % 16];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
th = wh[(j + 1) % 16];
tl = wl[(j + 1) % 16];
h =
((th >>> 1) | (tl << (32 - 1))) ^
((th >>> 8) | (tl << (32 - 8))) ^
(th >>> 7);
l =
((tl >>> 1) | (th << (32 - 1))) ^
((tl >>> 8) | (th << (32 - 8))) ^
((tl >>> 7) | (th << (32 - 7)));
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
th = wh[(j + 14) % 16];
tl = wl[(j + 14) % 16];
h =
((th >>> 19) | (tl << (32 - 19))) ^
((tl >>> (61 - 32)) | (th << (32 - (61 - 32)))) ^
(th >>> 6);
l =
((tl >>> 19) | (th << (32 - 19))) ^
((th >>> (61 - 32)) | (tl << (32 - (61 - 32)))) ^
((tl >>> 6) | (th << (32 - 6)));
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
wh[j] = (c & 0xffff) | (d << 16);
wl[j] = (a & 0xffff) | (b << 16);
}
}
}
h = ah0;
l = al0;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[0];
l = hl[0];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[0] = ah0 = (c & 0xffff) | (d << 16);
hl[0] = al0 = (a & 0xffff) | (b << 16);
h = ah1;
l = al1;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[1];
l = hl[1];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[1] = ah1 = (c & 0xffff) | (d << 16);
hl[1] = al1 = (a & 0xffff) | (b << 16);
h = ah2;
l = al2;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[2];
l = hl[2];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[2] = ah2 = (c & 0xffff) | (d << 16);
hl[2] = al2 = (a & 0xffff) | (b << 16);
h = ah3;
l = al3;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[3];
l = hl[3];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[3] = ah3 = (c & 0xffff) | (d << 16);
hl[3] = al3 = (a & 0xffff) | (b << 16);
h = ah4;
l = al4;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[4];
l = hl[4];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[4] = ah4 = (c & 0xffff) | (d << 16);
hl[4] = al4 = (a & 0xffff) | (b << 16);
h = ah5;
l = al5;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[5];
l = hl[5];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[5] = ah5 = (c & 0xffff) | (d << 16);
hl[5] = al5 = (a & 0xffff) | (b << 16);
h = ah6;
l = al6;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[6];
l = hl[6];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[6] = ah6 = (c & 0xffff) | (d << 16);
hl[6] = al6 = (a & 0xffff) | (b << 16);
h = ah7;
l = al7;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
h = hh[7];
l = hl[7];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
b += a >>> 16;
c += b >>> 16;
d += c >>> 16;
hh[7] = ah7 = (c & 0xffff) | (d << 16);
hl[7] = al7 = (a & 0xffff) | (b << 16);
pos += 128;
n -= 128;
}
return n;
}
function crypto_hash(out, m, n) {
const hh = new Int32Array(8);
const hl = new Int32Array(8);
const x = new Uint8Array(256);
let i;
const b = n;
hh[0] = 0x6a09e667;
hh[1] = 0xbb67ae85;
hh[2] = 0x3c6ef372;
hh[3] = 0xa54ff53a;
hh[4] = 0x510e527f;
hh[5] = 0x9b05688c;
hh[6] = 0x1f83d9ab;
hh[7] = 0x5be0cd19;
hl[0] = 0xf3bcc908;
hl[1] = 0x84caa73b;
hl[2] = 0xfe94f82b;
hl[3] = 0x5f1d36f1;
hl[4] = 0xade682d1;
hl[5] = 0x2b3e6c1f;
hl[6] = 0xfb41bd6b;
hl[7] = 0x137e2179;
crypto_hashblocks_hl(hh, hl, m, n);
n %= 128;
for (i = 0; i < n; i++) {
x[i] = m[b - n + i];
}
x[n] = 128;
n = 256 - 128 * (n < 112 ? 1 : 0);
x[n - 9] = 0;
ts64(x, n - 8, (b / 0x20000000) | 0, b << 3);
crypto_hashblocks_hl(hh, hl, x, n);
for (i = 0; i < 8; i++) {
ts64(out, 8 * i, hh[i], hl[i]);
}
return 0;
}
function add(p, q) {
const a = gf();
const b = gf();
const c = gf();
const d = gf();
const e = gf();
const f = gf();
const g = gf();
const h = gf();
const t = gf();
Z(a, p[1], p[0]);
Z(t, q[1], q[0]);
M(a, a, t);
A(b, p[0], p[1]);
A(t, q[0], q[1]);
M(b, b, t);
M(c, p[3], q[3]);
M(c, c, D2);
M(d, p[2], q[2]);
A(d, d, d);
Z(e, b, a);
Z(f, d, c);
A(g, d, c);
A(h, b, a);
M(p[0], e, f);
M(p[1], h, g);
M(p[2], g, f);
M(p[3], e, h);
}
function cswap(p, q, b) {
let i;
for (i = 0; i < 4; i++) {
sel25519(p[i], q[i], b);
}
}
function pack(r, p) {
const tx = gf();
const ty = gf();
const zi = gf();
inv25519(zi, p[2]);
M(tx, p[0], zi);
M(ty, p[1], zi);
pack25519(r, ty);
r[31] ^= par25519(tx) << 7;
}
function scalarmult(p, q, s) {
let b;
let i;
set25519(p[0], gf0);
set25519(p[1], gf1);
set25519(p[2], gf1);
set25519(p[3], gf0);
for (i = 255; i >= 0; --i) {
b = (s[(i / 8) | 0] >> (i & 7)) & 1;
cswap(p, q, b);
add(q, p);
add(p, p);
cswap(p, q, b);
}
}
function scalarbase(p, s) {
const q = [gf(), gf(), gf(), gf()];
set25519(q[0], X);
set25519(q[1], Y);
set25519(q[2], gf1);
M(q[3], X, Y);
scalarmult(p, q, s);
}
const L = new Float64Array([
0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2,
0xde, 0xf9, 0xde, 0x14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10,
]);
function modL(r, x) {
let carry;
let i;
let j;
let k;
for (i = 63; i >= 32; --i) {
carry = 0;
for (j = i - 32, k = i - 12; j < k; ++j) {
x[j] += carry - 16 * x[i] * L[j - (i - 32)];
carry = (x[j] + 128) >> 8;
x[j] -= carry * 256;
}
x[j] += carry;
x[i] = 0;
}
carry = 0;
for (j = 0; j < 32; j++) {
x[j] += carry - (x[31] >> 4) * L[j];
carry = x[j] >> 8;
x[j] &= 255;
}
for (j = 0; j < 32; j++) {
x[j + 1] += x[j] >> 8;
r[j] = x[j] & 255;
}
}
function reduce(r) {
const x = new Float64Array(64);
let i;
for (i = 0; i < 64; i++) {
x[i] = r[i];
}
for (i = 0; i < 64; i++) {
r[i] = 0;
}
modL(r, x);
}
function crypto_sign_direct(sm, m, n, sk) {
const h = new Uint8Array(64);
const r = new Uint8Array(64);
let i;
let j;
const x = new Float64Array(64);
const p = [gf(), gf(), gf(), gf()];
for (i = 0; i < n; i++) {
sm[64 + i] = m[i];
}
for (i = 0; i < 32; i++) {
sm[32 + i] = sk[i];
}
crypto_hash(r, sm.subarray(32), n + 32);
reduce(r);
scalarbase(p, r);
pack(sm, p);
for (i = 0; i < 32; i++) {
sm[i + 32] = sk[32 + i];
}
crypto_hash(h, sm, n + 64);
reduce(h);
for (i = 0; i < 64; i++) {
x[i] = 0;
}
for (i = 0; i < 32; i++) {
x[i] = r[i];
}
for (i = 0; i < 32; i++) {
for (j = 0; j < 32; j++) {
x[i + j] += h[i] * sk[j];
}
}
modL(sm.subarray(32), x);
return n + 64;
}
function crypto_sign_direct_rnd(sm, m, n, sk, rnd) {
const h = new Uint8Array(64);
const r = new Uint8Array(64);
let i;
let j;
const x = new Float64Array(64);
const p = [gf(), gf(), gf(), gf()];
sm[0] = 0xfe;
for (i = 1; i < 32; i++) {
sm[i] = 0xff;
}
for (i = 0; i < 32; i++) {
sm[32 + i] = sk[i];
}
for (i = 0; i < n; i++) {
sm[64 + i] = m[i];
}
for (i = 0; i < 64; i++) {
sm[n + 64 + i] = rnd[i];
}
crypto_hash(r, sm, n + 128);
reduce(r);
scalarbase(p, r);
pack(sm, p);
for (i = 0; i < 32; i++) {
sm[i + 32] = sk[32 + i];
}
crypto_hash(h, sm, n + 64);
reduce(h);
for (i = 0; i < 64; i++) {
sm[n + 64 + i] = 0;
}
for (i = 0; i < 64; i++) {
x[i] = 0;
}
for (i = 0; i < 32; i++) {
x[i] = r[i];
}
for (i = 0; i < 32; i++) {
for (j = 0; j < 32; j++) {
x[i + j] += h[i] * sk[j];
}
}
modL(sm.subarray(32, n + 64), x);
return n + 64;
}
function curve25519_sign(sm, m, n, sk, opt_rnd) {
const edsk = new Uint8Array(64);
const p = [gf(), gf(), gf(), gf()];
for (let i = 0; i < 32; i++) {
edsk[i] = sk[i];
}
edsk[0] &= 248;
edsk[31] &= 127;
edsk[31] |= 64;
scalarbase(p, edsk);
pack(edsk.subarray(32), p);
const signBit = edsk[63] & 128;
let smlen;
if (opt_rnd) {
smlen = crypto_sign_direct_rnd(sm, m, n, edsk, opt_rnd);
}
else {
smlen = crypto_sign_direct(sm, m, n, edsk);
}
sm[63] |= signBit;
return smlen;
}
function unpackneg(r, p) {
const t = gf();
const chk = gf();
const num = gf();
const den = gf();
const den2 = gf();
const den4 = gf();
const den6 = gf();
set25519(r[2], gf1);
unpack25519(r[1], p);
S(num, r[1]);
M(den, num, D);
Z(num, num, r[2]);
A(den, r[2], den);
S(den2, den);
S(den4, den2);
M(den6, den4, den2);
M(t, den6, num);
M(t, t, den);
pow2523(t, t);
M(t, t, num);
M(t, t, den);
M(t, t, den);
M(r[0], t, den);
S(chk, r[0]);
M(chk, chk, den);
if (neq25519(chk, num)) {
M(r[0], r[0], I);
}
S(chk, r[0]);
M(chk, chk, den);
if (neq25519(chk, num)) {
return -1;
}
if (par25519(r[0]) === p[31] >> 7) {
Z(r[0], gf0, r[0]);
}
M(r[3], r[0], r[1]);
return 0;
}
function crypto_sign_open(m, sm, n, pk) {
let i;
let mlen;
const t = new Uint8Array(32);
const h = new Uint8Array(64);
const p = [gf(), gf(), gf(), gf()];
const q = [gf(), gf(), gf(), gf()];
mlen = -1;
if (n < 64) {
return -1;
}
if (unpackneg(q, pk)) {
return -1;
}
for (i = 0; i < n; i++) {
m[i] = sm[i];
}
for (i = 0; i < 32; i++) {
m[i + 32] = pk[i];
}
crypto_hash(h, m, n);
reduce(h);
scalarmult(p, q, h);
scalarbase(q, sm.subarray(32));
add(p, q);
pack(t, p);
n -= 64;
if (crypto_verify_32(sm, 0, t, 0)) {
for (i = 0; i < n; i++) {
m[i] = 0;
}
return -1;
}
for (i = 0; i < n; i++) {
m[i] = sm[i + 64];
}
mlen = n;
return mlen;
}
function convertPublicKey(pk) {
const z = new Uint8Array(32);
const x = gf();
const a = gf();
const b = gf();
unpack25519(x, pk);
A(a, x, gf1);
Z(b, x, gf1);
inv25519(a, a);
M(a, a, b);
pack25519(z, a);
return z;
}
function curve25519_sign_open(m, sm, n, pk) {
const edpk = convertPublicKey(pk);
edpk[31] |= sm[63] & 128;
sm[63] &= 127;
return crypto_sign_open(m, sm, n, edpk);
}
function checkArrayTypes(...args) {
let t;
let i;
for (i = 0; i < arguments.length; i++) {
if ((t = Object.prototype.toString.call(arguments[i])) !==
'[object Uint8Array]') {
throw new TypeError(`unexpected type ${t}, use Uint8Array`);
}
}
}
function sharedKey(secretKey, publicKey) {
checkArrayTypes(publicKey, secretKey);
if (publicKey.length !== 32) {
throw new Error('wrong public key length');
}
if (secretKey.length !== 32) {
throw new Error('wrong secret key length');
}
const sharedKey = new Uint8Array(32);
crypto_scalarmult(sharedKey, secretKey, publicKey);
return sharedKey;
}
exports.sharedKey = sharedKey;
function signMessage(secretKey, msg, opt_random) {
checkArrayTypes(msg, secretKey);
if (secretKey.length !== 32) {
throw new Error('wrong secret key length');
}
if (opt_random) {
checkArrayTypes(opt_random);
if (opt_random.length !== 64) {
throw new Error('wrong random data length');
}
const buf = new Uint8Array(128 + msg.length);
curve25519_sign(buf, msg, msg.length, secretKey, opt_random);
return new Uint8Array(buf.subarray(0, 64 + msg.length));
}
const signedMsg = new Uint8Array(64 + msg.length);
curve25519_sign(signedMsg, msg, msg.length, secretKey);
return signedMsg;
}
function openMessage(publicKey, signedMsg) {
checkArrayTypes(signedMsg, publicKey);
if (publicKey.length !== 32) {
throw new Error('wrong public key length');
}
const tmp = new Uint8Array(signedMsg.length);
const mlen = curve25519_sign_open(tmp, signedMsg, signedMsg.length, publicKey);
if (mlen < 0) {
return null;
}
const m = new Uint8Array(mlen);
for (let i = 0; i < m.length; i++) {
m[i] = tmp[i];
}
return m;
}
function sign(secretKey, msg, opt_random) {
checkArrayTypes(secretKey, msg);
if (secretKey.length !== 32) {
throw new Error('wrong secret key length');
}
if (opt_random) {
checkArrayTypes(opt_random);
if (opt_random.length !== 64) {
throw new Error('wrong random data length');
}
}
const buf = new Uint8Array((opt_random ? 128 : 64) + msg.length);
curve25519_sign(buf, msg, msg.length, secretKey, opt_random);
const signature = new Uint8Array(64);
for (let i = 0; i < signature.length; i++) {
signature[i] = buf[i];
}
return signature;
}
function verify(publicKey, msg, signature) {
checkArrayTypes(msg, signature, publicKey);
if (signature.length !== 64) {
throw new Error('wrong signature length');
}
if (publicKey.length !== 32) {
throw new Error('wrong public key length');
}
const sm = new Uint8Array(64 + msg.length);
const m = new Uint8Array(64 + msg.length);
let i;
for (i = 0; i < 64; i++) {
sm[i] = signature[i];
}
for (i = 0; i < msg.length; i++) {
sm[i + 64] = msg[i];
}
return curve25519_sign_open(m, sm, sm.length, publicKey) >= 0;
}
function generateKeyPair(seed) {
checkArrayTypes(seed);
if (seed.length !== 32) {
throw new Error('wrong seed length');
}
const sk = new Uint8Array(32);
const pk = new Uint8Array(32);
for (let i = 0; i < 32; i++) {
sk[i] = seed[i];
}
crypto_scalarmult_base(pk, sk);
sk[0] &= 248;
sk[31] &= 127;
sk[31] |= 64;
pk[31] &= 127;
return {
public: pk,
private: sk,
};
}
exports.generateKeyPair = generateKeyPair;
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