// Ported in 2014 by Dmitry Chestnykh and Devi Mandiri.
// TypeScript port in 2019 by Florian Dold.
// Public domain.
//
// Implementation derived from TweetNaCl version 20140427.
// See for details: http://tweetnacl.cr.yp.to/
const gf = function (init: number[] = []): Float64Array {
const r = new Float64Array(16);
if (init) for (let i = 0; i < init.length; i++) r[i] = init[i];
return r;
};
// Pluggable, initialized in high-level API below.
let randombytes = function (x: Uint8Array, n: number): void {
throw new Error("no PRNG");
};
const _9 = new Uint8Array(32);
_9[0] = 9;
// prettier-ignore
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: Uint8Array, i: number, h: number, l: number): void {
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: Uint8Array,
xi: number,
y: Uint8Array,
yi: number,
n: number,
): number {
let i,
d = 0;
for (i = 0; i < n; i++) d |= x[xi + i] ^ y[yi + i];
return (1 & ((d - 1) >>> 8)) - 1;
}
function crypto_verify_16(
x: Uint8Array,
xi: number,
y: Uint8Array,
yi: number,
) {
return vn(x, xi, y, yi, 16);
}
function crypto_verify_32(
x: Uint8Array,
xi: number,
y: Uint8Array,
yi: number,
): number {
return vn(x, xi, y, yi, 32);
}
function core_salsa20(
o: Uint8Array,
p: Uint8Array,
k: Uint8Array,
c: Uint8Array,
) {
var j0 =
(c[0] & 0xff) |
((c[1] & 0xff) << 8) |
((c[2] & 0xff) << 16) |
((c[3] & 0xff) << 24),
j1 =
(k[0] & 0xff) |
((k[1] & 0xff) << 8) |
((k[2] & 0xff) << 16) |
((k[3] & 0xff) << 24),
j2 =
(k[4] & 0xff) |
((k[5] & 0xff) << 8) |
((k[6] & 0xff) << 16) |
((k[7] & 0xff) << 24),
j3 =
(k[8] & 0xff) |
((k[9] & 0xff) << 8) |
((k[10] & 0xff) << 16) |
((k[11] & 0xff) << 24),
j4 =
(k[12] & 0xff) |
((k[13] & 0xff) << 8) |
((k[14] & 0xff) << 16) |
((k[15] & 0xff) << 24),
j5 =
(c[4] & 0xff) |
((c[5] & 0xff) << 8) |
((c[6] & 0xff) << 16) |
((c[7] & 0xff) << 24),
j6 =
(p[0] & 0xff) |
((p[1] & 0xff) << 8) |
((p[2] & 0xff) << 16) |
((p[3] & 0xff) << 24),
j7 =
(p[4] & 0xff) |
((p[5] & 0xff) << 8) |
((p[6] & 0xff) << 16) |
((p[7] & 0xff) << 24),
j8 =
(p[8] & 0xff) |
((p[9] & 0xff) << 8) |
((p[10] & 0xff) << 16) |
((p[11] & 0xff) << 24),
j9 =
(p[12] & 0xff) |
((p[13] & 0xff) << 8) |
((p[14] & 0xff) << 16) |
((p[15] & 0xff) << 24),
j10 =
(c[8] & 0xff) |
((c[9] & 0xff) << 8) |
((c[10] & 0xff) << 16) |
((c[11] & 0xff) << 24),
j11 =
(k[16] & 0xff) |
((k[17] & 0xff) << 8) |
((k[18] & 0xff) << 16) |
((k[19] & 0xff) << 24),
j12 =
(k[20] & 0xff) |
((k[21] & 0xff) << 8) |
((k[22] & 0xff) << 16) |
((k[23] & 0xff) << 24),
j13 =
(k[24] & 0xff) |
((k[25] & 0xff) << 8) |
((k[26] & 0xff) << 16) |
((k[27] & 0xff) << 24),
j14 =
(k[28] & 0xff) |
((k[29] & 0xff) << 8) |
((k[30] & 0xff) << 16) |
((k[31] & 0xff) << 24),
j15 =
(c[12] & 0xff) |
((c[13] & 0xff) << 8) |
((c[14] & 0xff) << 16) |
((c[15] & 0xff) << 24);
var x0 = j0,
x1 = j1,
x2 = j2,
x3 = j3,
x4 = j4,
x5 = j5,
x6 = j6,
x7 = j7,
x8 = j8,
x9 = j9,
x10 = j10,
x11 = j11,
x12 = j12,
x13 = j13,
x14 = j14,
x15 = j15,
u;
for (var i = 0; i < 20; i += 2) {
u = (x0 + x12) | 0;
x4 ^= (u << 7) | (u >>> (32 - 7));
u = (x4 + x0) | 0;
x8 ^= (u << 9) | (u >>> (32 - 9));
u = (x8 + x4) | 0;
x12 ^= (u << 13) | (u >>> (32 - 13));
u = (x12 + x8) | 0;
x0 ^= (u << 18) | (u >>> (32 - 18));
u = (x5 + x1) | 0;
x9 ^= (u << 7) | (u >>> (32 - 7));
u = (x9 + x5) | 0;
x13 ^= (u << 9) | (u >>> (32 - 9));
u = (x13 + x9) | 0;
x1 ^= (u << 13) | (u >>> (32 - 13));
u = (x1 + x13) | 0;
x5 ^= (u << 18) | (u >>> (32 - 18));
u = (x10 + x6) | 0;
x14 ^= (u << 7) | (u >>> (32 - 7));
u = (x14 + x10) | 0;
x2 ^= (u << 9) | (u >>> (32 - 9));
u = (x2 + x14) | 0;
x6 ^= (u << 13) | (u >>> (32 - 13));
u = (x6 + x2) | 0;
x10 ^= (u << 18) | (u >>> (32 - 18));
u = (x15 + x11) | 0;
x3 ^= (u << 7) | (u >>> (32 - 7));
u = (x3 + x15) | 0;
x7 ^= (u << 9) | (u >>> (32 - 9));
u = (x7 + x3) | 0;
x11 ^= (u << 13) | (u >>> (32 - 13));
u = (x11 + x7) | 0;
x15 ^= (u << 18) | (u >>> (32 - 18));
u = (x0 + x3) | 0;
x1 ^= (u << 7) | (u >>> (32 - 7));
u = (x1 + x0) | 0;
x2 ^= (u << 9) | (u >>> (32 - 9));
u = (x2 + x1) | 0;
x3 ^= (u << 13) | (u >>> (32 - 13));
u = (x3 + x2) | 0;
x0 ^= (u << 18) | (u >>> (32 - 18));
u = (x5 + x4) | 0;
x6 ^= (u << 7) | (u >>> (32 - 7));
u = (x6 + x5) | 0;
x7 ^= (u << 9) | (u >>> (32 - 9));
u = (x7 + x6) | 0;
x4 ^= (u << 13) | (u >>> (32 - 13));
u = (x4 + x7) | 0;
x5 ^= (u << 18) | (u >>> (32 - 18));
u = (x10 + x9) | 0;
x11 ^= (u << 7) | (u >>> (32 - 7));
u = (x11 + x10) | 0;
x8 ^= (u << 9) | (u >>> (32 - 9));
u = (x8 + x11) | 0;
x9 ^= (u << 13) | (u >>> (32 - 13));
u = (x9 + x8) | 0;
x10 ^= (u << 18) | (u >>> (32 - 18));
u = (x15 + x14) | 0;
x12 ^= (u << 7) | (u >>> (32 - 7));
u = (x12 + x15) | 0;
x13 ^= (u << 9) | (u >>> (32 - 9));
u = (x13 + x12) | 0;
x14 ^= (u << 13) | (u >>> (32 - 13));
u = (x14 + x13) | 0;
x15 ^= (u << 18) | (u >>> (32 - 18));
}
x0 = (x0 + j0) | 0;
x1 = (x1 + j1) | 0;
x2 = (x2 + j2) | 0;
x3 = (x3 + j3) | 0;
x4 = (x4 + j4) | 0;
x5 = (x5 + j5) | 0;
x6 = (x6 + j6) | 0;
x7 = (x7 + j7) | 0;
x8 = (x8 + j8) | 0;
x9 = (x9 + j9) | 0;
x10 = (x10 + j10) | 0;
x11 = (x11 + j11) | 0;
x12 = (x12 + j12) | 0;
x13 = (x13 + j13) | 0;
x14 = (x14 + j14) | 0;
x15 = (x15 + j15) | 0;
o[0] = (x0 >>> 0) & 0xff;
o[1] = (x0 >>> 8) & 0xff;
o[2] = (x0 >>> 16) & 0xff;
o[3] = (x0 >>> 24) & 0xff;
o[4] = (x1 >>> 0) & 0xff;
o[5] = (x1 >>> 8) & 0xff;
o[6] = (x1 >>> 16) & 0xff;
o[7] = (x1 >>> 24) & 0xff;
o[8] = (x2 >>> 0) & 0xff;
o[9] = (x2 >>> 8) & 0xff;
o[10] = (x2 >>> 16) & 0xff;
o[11] = (x2 >>> 24) & 0xff;
o[12] = (x3 >>> 0) & 0xff;
o[13] = (x3 >>> 8) & 0xff;
o[14] = (x3 >>> 16) & 0xff;
o[15] = (x3 >>> 24) & 0xff;
o[16] = (x4 >>> 0) & 0xff;
o[17] = (x4 >>> 8) & 0xff;
o[18] = (x4 >>> 16) & 0xff;
o[19] = (x4 >>> 24) & 0xff;
o[20] = (x5 >>> 0) & 0xff;
o[21] = (x5 >>> 8) & 0xff;
o[22] = (x5 >>> 16) & 0xff;
o[23] = (x5 >>> 24) & 0xff;
o[24] = (x6 >>> 0) & 0xff;
o[25] = (x6 >>> 8) & 0xff;
o[26] = (x6 >>> 16) & 0xff;
o[27] = (x6 >>> 24) & 0xff;
o[28] = (x7 >>> 0) & 0xff;
o[29] = (x7 >>> 8) & 0xff;
o[30] = (x7 >>> 16) & 0xff;
o[31] = (x7 >>> 24) & 0xff;
o[32] = (x8 >>> 0) & 0xff;
o[33] = (x8 >>> 8) & 0xff;
o[34] = (x8 >>> 16) & 0xff;
o[35] = (x8 >>> 24) & 0xff;
o[36] = (x9 >>> 0) & 0xff;
o[37] = (x9 >>> 8) & 0xff;
o[38] = (x9 >>> 16) & 0xff;
o[39] = (x9 >>> 24) & 0xff;
o[40] = (x10 >>> 0) & 0xff;
o[41] = (x10 >>> 8) & 0xff;
o[42] = (x10 >>> 16) & 0xff;
o[43] = (x10 >>> 24) & 0xff;
o[44] = (x11 >>> 0) & 0xff;
o[45] = (x11 >>> 8) & 0xff;
o[46] = (x11 >>> 16) & 0xff;
o[47] = (x11 >>> 24) & 0xff;
o[48] = (x12 >>> 0) & 0xff;
o[49] = (x12 >>> 8) & 0xff;
o[50] = (x12 >>> 16) & 0xff;
o[51] = (x12 >>> 24) & 0xff;
o[52] = (x13 >>> 0) & 0xff;
o[53] = (x13 >>> 8) & 0xff;
o[54] = (x13 >>> 16) & 0xff;
o[55] = (x13 >>> 24) & 0xff;
o[56] = (x14 >>> 0) & 0xff;
o[57] = (x14 >>> 8) & 0xff;
o[58] = (x14 >>> 16) & 0xff;
o[59] = (x14 >>> 24) & 0xff;
o[60] = (x15 >>> 0) & 0xff;
o[61] = (x15 >>> 8) & 0xff;
o[62] = (x15 >>> 16) & 0xff;
o[63] = (x15 >>> 24) & 0xff;
}
function core_hsalsa20(
o: Uint8Array,
p: Uint8Array,
k: Uint8Array,
c: Uint8Array,
) {
var j0 =
(c[0] & 0xff) |
((c[1] & 0xff) << 8) |
((c[2] & 0xff) << 16) |
((c[3] & 0xff) << 24),
j1 =
(k[0] & 0xff) |
((k[1] & 0xff) << 8) |
((k[2] & 0xff) << 16) |
((k[3] & 0xff) << 24),
j2 =
(k[4] & 0xff) |
((k[5] & 0xff) << 8) |
((k[6] & 0xff) << 16) |
((k[7] & 0xff) << 24),
j3 =
(k[8] & 0xff) |
((k[9] & 0xff) << 8) |
((k[10] & 0xff) << 16) |
((k[11] & 0xff) << 24),
j4 =
(k[12] & 0xff) |
((k[13] & 0xff) << 8) |
((k[14] & 0xff) << 16) |
((k[15] & 0xff) << 24),
j5 =
(c[4] & 0xff) |
((c[5] & 0xff) << 8) |
((c[6] & 0xff) << 16) |
((c[7] & 0xff) << 24),
j6 =
(p[0] & 0xff) |
((p[1] & 0xff) << 8) |
((p[2] & 0xff) << 16) |
((p[3] & 0xff) << 24),
j7 =
(p[4] & 0xff) |
((p[5] & 0xff) << 8) |
((p[6] & 0xff) << 16) |
((p[7] & 0xff) << 24),
j8 =
(p[8] & 0xff) |
((p[9] & 0xff) << 8) |
((p[10] & 0xff) << 16) |
((p[11] & 0xff) << 24),
j9 =
(p[12] & 0xff) |
((p[13] & 0xff) << 8) |
((p[14] & 0xff) << 16) |
((p[15] & 0xff) << 24),
j10 =
(c[8] & 0xff) |
((c[9] & 0xff) << 8) |
((c[10] & 0xff) << 16) |
((c[11] & 0xff) << 24),
j11 =
(k[16] & 0xff) |
((k[17] & 0xff) << 8) |
((k[18] & 0xff) << 16) |
((k[19] & 0xff) << 24),
j12 =
(k[20] & 0xff) |
((k[21] & 0xff) << 8) |
((k[22] & 0xff) << 16) |
((k[23] & 0xff) << 24),
j13 =
(k[24] & 0xff) |
((k[25] & 0xff) << 8) |
((k[26] & 0xff) << 16) |
((k[27] & 0xff) << 24),
j14 =
(k[28] & 0xff) |
((k[29] & 0xff) << 8) |
((k[30] & 0xff) << 16) |
((k[31] & 0xff) << 24),
j15 =
(c[12] & 0xff) |
((c[13] & 0xff) << 8) |
((c[14] & 0xff) << 16) |
((c[15] & 0xff) << 24);
var x0 = j0,
x1 = j1,
x2 = j2,
x3 = j3,
x4 = j4,
x5 = j5,
x6 = j6,
x7 = j7,
x8 = j8,
x9 = j9,
x10 = j10,
x11 = j11,
x12 = j12,
x13 = j13,
x14 = j14,
x15 = j15,
u;
for (var i = 0; i < 20; i += 2) {
u = (x0 + x12) | 0;
x4 ^= (u << 7) | (u >>> (32 - 7));
u = (x4 + x0) | 0;
x8 ^= (u << 9) | (u >>> (32 - 9));
u = (x8 + x4) | 0;
x12 ^= (u << 13) | (u >>> (32 - 13));
u = (x12 + x8) | 0;
x0 ^= (u << 18) | (u >>> (32 - 18));
u = (x5 + x1) | 0;
x9 ^= (u << 7) | (u >>> (32 - 7));
u = (x9 + x5) | 0;
x13 ^= (u << 9) | (u >>> (32 - 9));
u = (x13 + x9) | 0;
x1 ^= (u << 13) | (u >>> (32 - 13));
u = (x1 + x13) | 0;
x5 ^= (u << 18) | (u >>> (32 - 18));
u = (x10 + x6) | 0;
x14 ^= (u << 7) | (u >>> (32 - 7));
u = (x14 + x10) | 0;
x2 ^= (u << 9) | (u >>> (32 - 9));
u = (x2 + x14) | 0;
x6 ^= (u << 13) | (u >>> (32 - 13));
u = (x6 + x2) | 0;
x10 ^= (u << 18) | (u >>> (32 - 18));
u = (x15 + x11) | 0;
x3 ^= (u << 7) | (u >>> (32 - 7));
u = (x3 + x15) | 0;
x7 ^= (u << 9) | (u >>> (32 - 9));
u = (x7 + x3) | 0;
x11 ^= (u << 13) | (u >>> (32 - 13));
u = (x11 + x7) | 0;
x15 ^= (u << 18) | (u >>> (32 - 18));
u = (x0 + x3) | 0;
x1 ^= (u << 7) | (u >>> (32 - 7));
u = (x1 + x0) | 0;
x2 ^= (u << 9) | (u >>> (32 - 9));
u = (x2 + x1) | 0;
x3 ^= (u << 13) | (u >>> (32 - 13));
u = (x3 + x2) | 0;
x0 ^= (u << 18) | (u >>> (32 - 18));
u = (x5 + x4) | 0;
x6 ^= (u << 7) | (u >>> (32 - 7));
u = (x6 + x5) | 0;
x7 ^= (u << 9) | (u >>> (32 - 9));
u = (x7 + x6) | 0;
x4 ^= (u << 13) | (u >>> (32 - 13));
u = (x4 + x7) | 0;
x5 ^= (u << 18) | (u >>> (32 - 18));
u = (x10 + x9) | 0;
x11 ^= (u << 7) | (u >>> (32 - 7));
u = (x11 + x10) | 0;
x8 ^= (u << 9) | (u >>> (32 - 9));
u = (x8 + x11) | 0;
x9 ^= (u << 13) | (u >>> (32 - 13));
u = (x9 + x8) | 0;
x10 ^= (u << 18) | (u >>> (32 - 18));
u = (x15 + x14) | 0;
x12 ^= (u << 7) | (u >>> (32 - 7));
u = (x12 + x15) | 0;
x13 ^= (u << 9) | (u >>> (32 - 9));
u = (x13 + x12) | 0;
x14 ^= (u << 13) | (u >>> (32 - 13));
u = (x14 + x13) | 0;
x15 ^= (u << 18) | (u >>> (32 - 18));
}
o[0] = (x0 >>> 0) & 0xff;
o[1] = (x0 >>> 8) & 0xff;
o[2] = (x0 >>> 16) & 0xff;
o[3] = (x0 >>> 24) & 0xff;
o[4] = (x5 >>> 0) & 0xff;
o[5] = (x5 >>> 8) & 0xff;
o[6] = (x5 >>> 16) & 0xff;
o[7] = (x5 >>> 24) & 0xff;
o[8] = (x10 >>> 0) & 0xff;
o[9] = (x10 >>> 8) & 0xff;
o[10] = (x10 >>> 16) & 0xff;
o[11] = (x10 >>> 24) & 0xff;
o[12] = (x15 >>> 0) & 0xff;
o[13] = (x15 >>> 8) & 0xff;
o[14] = (x15 >>> 16) & 0xff;
o[15] = (x15 >>> 24) & 0xff;
o[16] = (x6 >>> 0) & 0xff;
o[17] = (x6 >>> 8) & 0xff;
o[18] = (x6 >>> 16) & 0xff;
o[19] = (x6 >>> 24) & 0xff;
o[20] = (x7 >>> 0) & 0xff;
o[21] = (x7 >>> 8) & 0xff;
o[22] = (x7 >>> 16) & 0xff;
o[23] = (x7 >>> 24) & 0xff;
o[24] = (x8 >>> 0) & 0xff;
o[25] = (x8 >>> 8) & 0xff;
o[26] = (x8 >>> 16) & 0xff;
o[27] = (x8 >>> 24) & 0xff;
o[28] = (x9 >>> 0) & 0xff;
o[29] = (x9 >>> 8) & 0xff;
o[30] = (x9 >>> 16) & 0xff;
o[31] = (x9 >>> 24) & 0xff;
}
var sigma = new Uint8Array([
101, 120, 112, 97, 110, 100, 32, 51, 50, 45, 98, 121, 116, 101, 32, 107,
]);
// "expand 32-byte k"
function crypto_stream_salsa20_xor(
c: Uint8Array,
cpos: number,
m: Uint8Array,
mpos: number,
b: number,
n: Uint8Array,
k: Uint8Array,
) {
var z = new Uint8Array(16),
x = new Uint8Array(64);
var u, i;
for (i = 0; i < 16; i++) z[i] = 0;
for (i = 0; i < 8; i++) z[i] = n[i];
while (b >= 64) {
core_salsa20(x, z, k, sigma);
for (i = 0; i < 64; i++) c[cpos + i] = m[mpos + i] ^ x[i];
u = 1;
for (i = 8; i < 16; i++) {
u = (u + (z[i] & 0xff)) | 0;
z[i] = u & 0xff;
u >>>= 8;
}
b -= 64;
cpos += 64;
mpos += 64;
}
if (b > 0) {
core_salsa20(x, z, k, sigma);
for (i = 0; i < b; i++) c[cpos + i] = m[mpos + i] ^ x[i];
}
return 0;
}
function crypto_stream_salsa20(
c: Uint8Array,
cpos: number,
b: number,
n: Uint8Array,
k: Uint8Array,
) {
var z = new Uint8Array(16),
x = new Uint8Array(64);
var u, i;
for (i = 0; i < 16; i++) z[i] = 0;
for (i = 0; i < 8; i++) z[i] = n[i];
while (b >= 64) {
core_salsa20(x, z, k, sigma);
for (i = 0; i < 64; i++) c[cpos + i] = x[i];
u = 1;
for (i = 8; i < 16; i++) {
u = (u + (z[i] & 0xff)) | 0;
z[i] = u & 0xff;
u >>>= 8;
}
b -= 64;
cpos += 64;
}
if (b > 0) {
core_salsa20(x, z, k, sigma);
for (i = 0; i < b; i++) c[cpos + i] = x[i];
}
return 0;
}
function crypto_stream(
c: Uint8Array,
cpos: number,
d: number,
n: Uint8Array,
k: Uint8Array,
) {
var s = new Uint8Array(32);
core_hsalsa20(s, n, k, sigma);
var sn = new Uint8Array(8);
for (var i = 0; i < 8; i++) sn[i] = n[i + 16];
return crypto_stream_salsa20(c, cpos, d, sn, s);
}
function crypto_stream_xor(
c: Uint8Array,
cpos: number,
m: Uint8Array,
mpos: number,
d: number,
n: Uint8Array,
k: Uint8Array,
) {
var s = new Uint8Array(32);
core_hsalsa20(s, n, k, sigma);
var sn = new Uint8Array(8);
for (var i = 0; i < 8; i++) sn[i] = n[i + 16];
return crypto_stream_salsa20_xor(c, cpos, m, mpos, d, sn, s);
}
/*
* Port of Andrew Moon's Poly1305-donna-16. Public domain.
* https://github.com/floodyberry/poly1305-donna
*/
class poly1305 {
buffer = new Uint8Array(16);
r = new Uint16Array(10);
h = new Uint16Array(10);
pad = new Uint16Array(8);
leftover = 0;
fin = 0;
constructor(key: Uint8Array) {
var t0, t1, t2, t3, t4, t5, t6, t7;
t0 = (key[0] & 0xff) | ((key[1] & 0xff) << 8);
this.r[0] = t0 & 0x1fff;
t1 = (key[2] & 0xff) | ((key[3] & 0xff) << 8);
this.r[1] = ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
t2 = (key[4] & 0xff) | ((key[5] & 0xff) << 8);
this.r[2] = ((t1 >>> 10) | (t2 << 6)) & 0x1f03;
t3 = (key[6] & 0xff) | ((key[7] & 0xff) << 8);
this.r[3] = ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
t4 = (key[8] & 0xff) | ((key[9] & 0xff) << 8);
this.r[4] = ((t3 >>> 4) | (t4 << 12)) & 0x00ff;
this.r[5] = (t4 >>> 1) & 0x1ffe;
t5 = (key[10] & 0xff) | ((key[11] & 0xff) << 8);
this.r[6] = ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
t6 = (key[12] & 0xff) | ((key[13] & 0xff) << 8);
this.r[7] = ((t5 >>> 11) | (t6 << 5)) & 0x1f81;
t7 = (key[14] & 0xff) | ((key[15] & 0xff) << 8);
this.r[8] = ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
this.r[9] = (t7 >>> 5) & 0x007f;
this.pad[0] = (key[16] & 0xff) | ((key[17] & 0xff) << 8);
this.pad[1] = (key[18] & 0xff) | ((key[19] & 0xff) << 8);
this.pad[2] = (key[20] & 0xff) | ((key[21] & 0xff) << 8);
this.pad[3] = (key[22] & 0xff) | ((key[23] & 0xff) << 8);
this.pad[4] = (key[24] & 0xff) | ((key[25] & 0xff) << 8);
this.pad[5] = (key[26] & 0xff) | ((key[27] & 0xff) << 8);
this.pad[6] = (key[28] & 0xff) | ((key[29] & 0xff) << 8);
this.pad[7] = (key[30] & 0xff) | ((key[31] & 0xff) << 8);
}
blocks(m: Uint8Array, mpos: number, bytes: number) {
var hibit = this.fin ? 0 : 1 << 11;
var t0, t1, t2, t3, t4, t5, t6, t7, c;
var d0, d1, d2, d3, d4, d5, d6, d7, d8, d9;
var h0 = this.h[0],
h1 = this.h[1],
h2 = this.h[2],
h3 = this.h[3],
h4 = this.h[4],
h5 = this.h[5],
h6 = this.h[6],
h7 = this.h[7],
h8 = this.h[8],
h9 = this.h[9];
var r0 = this.r[0],
r1 = this.r[1],
r2 = this.r[2],
r3 = this.r[3],
r4 = this.r[4],
r5 = this.r[5],
r6 = this.r[6],
r7 = this.r[7],
r8 = this.r[8],
r9 = this.r[9];
while (bytes >= 16) {
t0 = (m[mpos + 0] & 0xff) | ((m[mpos + 1] & 0xff) << 8);
h0 += t0 & 0x1fff;
t1 = (m[mpos + 2] & 0xff) | ((m[mpos + 3] & 0xff) << 8);
h1 += ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
t2 = (m[mpos + 4] & 0xff) | ((m[mpos + 5] & 0xff) << 8);
h2 += ((t1 >>> 10) | (t2 << 6)) & 0x1fff;
t3 = (m[mpos + 6] & 0xff) | ((m[mpos + 7] & 0xff) << 8);
h3 += ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
t4 = (m[mpos + 8] & 0xff) | ((m[mpos + 9] & 0xff) << 8);
h4 += ((t3 >>> 4) | (t4 << 12)) & 0x1fff;
h5 += (t4 >>> 1) & 0x1fff;
t5 = (m[mpos + 10] & 0xff) | ((m[mpos + 11] & 0xff) << 8);
h6 += ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
t6 = (m[mpos + 12] & 0xff) | ((m[mpos + 13] & 0xff) << 8);
h7 += ((t5 >>> 11) | (t6 << 5)) & 0x1fff;
t7 = (m[mpos + 14] & 0xff) | ((m[mpos + 15] & 0xff) << 8);
h8 += ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
h9 += (t7 >>> 5) | hibit;
c = 0;
d0 = c;
d0 += h0 * r0;
d0 += h1 * (5 * r9);
d0 += h2 * (5 * r8);
d0 += h3 * (5 * r7);
d0 += h4 * (5 * r6);
c = d0 >>> 13;
d0 &= 0x1fff;
d0 += h5 * (5 * r5);
d0 += h6 * (5 * r4);
d0 += h7 * (5 * r3);
d0 += h8 * (5 * r2);
d0 += h9 * (5 * r1);
c += d0 >>> 13;
d0 &= 0x1fff;
d1 = c;
d1 += h0 * r1;
d1 += h1 * r0;
d1 += h2 * (5 * r9);
d1 += h3 * (5 * r8);
d1 += h4 * (5 * r7);
c = d1 >>> 13;
d1 &= 0x1fff;
d1 += h5 * (5 * r6);
d1 += h6 * (5 * r5);
d1 += h7 * (5 * r4);
d1 += h8 * (5 * r3);
d1 += h9 * (5 * r2);
c += d1 >>> 13;
d1 &= 0x1fff;
d2 = c;
d2 += h0 * r2;
d2 += h1 * r1;
d2 += h2 * r0;
d2 += h3 * (5 * r9);
d2 += h4 * (5 * r8);
c = d2 >>> 13;
d2 &= 0x1fff;
d2 += h5 * (5 * r7);
d2 += h6 * (5 * r6);
d2 += h7 * (5 * r5);
d2 += h8 * (5 * r4);
d2 += h9 * (5 * r3);
c += d2 >>> 13;
d2 &= 0x1fff;
d3 = c;
d3 += h0 * r3;
d3 += h1 * r2;
d3 += h2 * r1;
d3 += h3 * r0;
d3 += h4 * (5 * r9);
c = d3 >>> 13;
d3 &= 0x1fff;
d3 += h5 * (5 * r8);
d3 += h6 * (5 * r7);
d3 += h7 * (5 * r6);
d3 += h8 * (5 * r5);
d3 += h9 * (5 * r4);
c += d3 >>> 13;
d3 &= 0x1fff;
d4 = c;
d4 += h0 * r4;
d4 += h1 * r3;
d4 += h2 * r2;
d4 += h3 * r1;
d4 += h4 * r0;
c = d4 >>> 13;
d4 &= 0x1fff;
d4 += h5 * (5 * r9);
d4 += h6 * (5 * r8);
d4 += h7 * (5 * r7);
d4 += h8 * (5 * r6);
d4 += h9 * (5 * r5);
c += d4 >>> 13;
d4 &= 0x1fff;
d5 = c;
d5 += h0 * r5;
d5 += h1 * r4;
d5 += h2 * r3;
d5 += h3 * r2;
d5 += h4 * r1;
c = d5 >>> 13;
d5 &= 0x1fff;
d5 += h5 * r0;
d5 += h6 * (5 * r9);
d5 += h7 * (5 * r8);
d5 += h8 * (5 * r7);
d5 += h9 * (5 * r6);
c += d5 >>> 13;
d5 &= 0x1fff;
d6 = c;
d6 += h0 * r6;
d6 += h1 * r5;
d6 += h2 * r4;
d6 += h3 * r3;
d6 += h4 * r2;
c = d6 >>> 13;
d6 &= 0x1fff;
d6 += h5 * r1;
d6 += h6 * r0;
d6 += h7 * (5 * r9);
d6 += h8 * (5 * r8);
d6 += h9 * (5 * r7);
c += d6 >>> 13;
d6 &= 0x1fff;
d7 = c;
d7 += h0 * r7;
d7 += h1 * r6;
d7 += h2 * r5;
d7 += h3 * r4;
d7 += h4 * r3;
c = d7 >>> 13;
d7 &= 0x1fff;
d7 += h5 * r2;
d7 += h6 * r1;
d7 += h7 * r0;
d7 += h8 * (5 * r9);
d7 += h9 * (5 * r8);
c += d7 >>> 13;
d7 &= 0x1fff;
d8 = c;
d8 += h0 * r8;
d8 += h1 * r7;
d8 += h2 * r6;
d8 += h3 * r5;
d8 += h4 * r4;
c = d8 >>> 13;
d8 &= 0x1fff;
d8 += h5 * r3;
d8 += h6 * r2;
d8 += h7 * r1;
d8 += h8 * r0;
d8 += h9 * (5 * r9);
c += d8 >>> 13;
d8 &= 0x1fff;
d9 = c;
d9 += h0 * r9;
d9 += h1 * r8;
d9 += h2 * r7;
d9 += h3 * r6;
d9 += h4 * r5;
c = d9 >>> 13;
d9 &= 0x1fff;
d9 += h5 * r4;
d9 += h6 * r3;
d9 += h7 * r2;
d9 += h8 * r1;
d9 += h9 * r0;
c += d9 >>> 13;
d9 &= 0x1fff;
c = ((c << 2) + c) | 0;
c = (c + d0) | 0;
d0 = c & 0x1fff;
c = c >>> 13;
d1 += c;
h0 = d0;
h1 = d1;
h2 = d2;
h3 = d3;
h4 = d4;
h5 = d5;
h6 = d6;
h7 = d7;
h8 = d8;
h9 = d9;
mpos += 16;
bytes -= 16;
}
this.h[0] = h0;
this.h[1] = h1;
this.h[2] = h2;
this.h[3] = h3;
this.h[4] = h4;
this.h[5] = h5;
this.h[6] = h6;
this.h[7] = h7;
this.h[8] = h8;
this.h[9] = h9;
}
finish(mac: Uint8Array, macpos: number) {
var g = new Uint16Array(10);
var c, mask, f, i;
if (this.leftover) {
i = this.leftover;
this.buffer[i++] = 1;
for (; i < 16; i++) this.buffer[i] = 0;
this.fin = 1;
this.blocks(this.buffer, 0, 16);
}
c = this.h[1] >>> 13;
this.h[1] &= 0x1fff;
for (i = 2; i < 10; i++) {
this.h[i] += c;
c = this.h[i] >>> 13;
this.h[i] &= 0x1fff;
}
this.h[0] += c * 5;
c = this.h[0] >>> 13;
this.h[0] &= 0x1fff;
this.h[1] += c;
c = this.h[1] >>> 13;
this.h[1] &= 0x1fff;
this.h[2] += c;
g[0] = this.h[0] + 5;
c = g[0] >>> 13;
g[0] &= 0x1fff;
for (i = 1; i < 10; i++) {
g[i] = this.h[i] + c;
c = g[i] >>> 13;
g[i] &= 0x1fff;
}
g[9] -= 1 << 13;
mask = (c ^ 1) - 1;
for (i = 0; i < 10; i++) g[i] &= mask;
mask = ~mask;
for (i = 0; i < 10; i++) this.h[i] = (this.h[i] & mask) | g[i];
this.h[0] = (this.h[0] | (this.h[1] << 13)) & 0xffff;
this.h[1] = ((this.h[1] >>> 3) | (this.h[2] << 10)) & 0xffff;
this.h[2] = ((this.h[2] >>> 6) | (this.h[3] << 7)) & 0xffff;
this.h[3] = ((this.h[3] >>> 9) | (this.h[4] << 4)) & 0xffff;
this.h[4] =
((this.h[4] >>> 12) | (this.h[5] << 1) | (this.h[6] << 14)) & 0xffff;
this.h[5] = ((this.h[6] >>> 2) | (this.h[7] << 11)) & 0xffff;
this.h[6] = ((this.h[7] >>> 5) | (this.h[8] << 8)) & 0xffff;
this.h[7] = ((this.h[8] >>> 8) | (this.h[9] << 5)) & 0xffff;
f = this.h[0] + this.pad[0];
this.h[0] = f & 0xffff;
for (i = 1; i < 8; i++) {
f = (((this.h[i] + this.pad[i]) | 0) + (f >>> 16)) | 0;
this.h[i] = f & 0xffff;
}
mac[macpos + 0] = (this.h[0] >>> 0) & 0xff;
mac[macpos + 1] = (this.h[0] >>> 8) & 0xff;
mac[macpos + 2] = (this.h[1] >>> 0) & 0xff;
mac[macpos + 3] = (this.h[1] >>> 8) & 0xff;
mac[macpos + 4] = (this.h[2] >>> 0) & 0xff;
mac[macpos + 5] = (this.h[2] >>> 8) & 0xff;
mac[macpos + 6] = (this.h[3] >>> 0) & 0xff;
mac[macpos + 7] = (this.h[3] >>> 8) & 0xff;
mac[macpos + 8] = (this.h[4] >>> 0) & 0xff;
mac[macpos + 9] = (this.h[4] >>> 8) & 0xff;
mac[macpos + 10] = (this.h[5] >>> 0) & 0xff;
mac[macpos + 11] = (this.h[5] >>> 8) & 0xff;
mac[macpos + 12] = (this.h[6] >>> 0) & 0xff;
mac[macpos + 13] = (this.h[6] >>> 8) & 0xff;
mac[macpos + 14] = (this.h[7] >>> 0) & 0xff;
mac[macpos + 15] = (this.h[7] >>> 8) & 0xff;
}
update(m: Uint8Array, mpos: number, bytes: number) {
let i: number;
let want: number;
if (this.leftover) {
want = 16 - this.leftover;
if (want > bytes) want = bytes;
for (i = 0; i < want; i++) this.buffer[this.leftover + i] = m[mpos + i];
bytes -= want;
mpos += want;
this.leftover += want;
if (this.leftover < 16) return;
this.blocks(this.buffer, 0, 16);
this.leftover = 0;
}
if (bytes >= 16) {
want = bytes - (bytes % 16);
this.blocks(m, mpos, want);
mpos += want;
bytes -= want;
}
if (bytes) {
for (i = 0; i < bytes; i++) this.buffer[this.leftover + i] = m[mpos + i];
this.leftover += bytes;
}
}
}
function crypto_onetimeauth(
out: Uint8Array,
outpos: number,
m: any,
mpos: number,
n: number,
k: Uint8Array,
) {
var s = new poly1305(k);
s.update(m, mpos, n);
s.finish(out, outpos);
return 0;
}
function crypto_onetimeauth_verify(
h: Uint8Array,
hpos: number,
m: any,
mpos: number,
n: number,
k: Uint8Array,
) {
var x = new Uint8Array(16);
crypto_onetimeauth(x, 0, m, mpos, n, k);
return crypto_verify_16(h, hpos, x, 0);
}
function crypto_secretbox(
c: Uint8Array,
m: Uint8Array,
d: number,
n: Uint8Array,
k: Uint8Array,
): number {
var i;
if (d < 32) return -1;
crypto_stream_xor(c, 0, m, 0, d, n, k);
crypto_onetimeauth(c, 16, c, 32, d - 32, c);
for (i = 0; i < 16; i++) c[i] = 0;
return 0;
}
function crypto_secretbox_open(
m: Uint8Array,
c: Uint8Array,
d: number,
n: Uint8Array,
k: Uint8Array,
): number {
var i;
var x = new Uint8Array(32);
if (d < 32) return -1;
crypto_stream(x, 0, 32, n, k);
if (crypto_onetimeauth_verify(c, 16, c, 32, d - 32, x) !== 0) return -1;
crypto_stream_xor(m, 0, c, 0, d, n, k);
for (i = 0; i < 32; i++) m[i] = 0;
return 0;
}
function set25519(r: Float64Array, a: Float64Array): void {
let i;
for (i = 0; i < 16; i++) r[i] = a[i] | 0;
}
function car25519(o: Float64Array): void {
let i,
v,
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: Float64Array, q: Float64Array, b: number): void {
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: Uint8Array, n: Float64Array): void {
let i, j, b;
const m = gf(),
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: Float64Array, b: Float64Array): number {
const c = new Uint8Array(32),
d = new Uint8Array(32);
pack25519(c, a);
pack25519(d, b);
return crypto_verify_32(c, 0, d, 0);
}
function par25519(a: Float64Array): number {
const d = new Uint8Array(32);
pack25519(d, a);
return d[0] & 1;
}
function unpack25519(o: Float64Array, n: Uint8Array): void {
let i;
for (i = 0; i < 16; i++) o[i] = n[2 * i] + (n[2 * i + 1] << 8);
o[15] &= 0x7fff;
}
function A(o: Float64Array, a: Float64Array, b: Float64Array): void {
for (let i = 0; i < 16; i++) o[i] = a[i] + b[i];
}
function Z(o: Float64Array, a: Float64Array, b: Float64Array): void {
for (let i = 0; i < 16; i++) o[i] = a[i] - b[i];
}
function M(o: Float64Array, a: Float64Array, b: Float64Array): void {
let v,
c,
t0 = 0,
t1 = 0,
t2 = 0,
t3 = 0,
t4 = 0,
t5 = 0,
t6 = 0,
t7 = 0,
t8 = 0,
t9 = 0,
t10 = 0,
t11 = 0,
t12 = 0,
t13 = 0,
t14 = 0,
t15 = 0,
t16 = 0,
t17 = 0,
t18 = 0,
t19 = 0,
t20 = 0,
t21 = 0,
t22 = 0,
t23 = 0,
t24 = 0,
t25 = 0,
t26 = 0,
t27 = 0,
t28 = 0,
t29 = 0,
t30 = 0;
const b0 = b[0],
b1 = b[1],
b2 = b[2],
b3 = b[3],
b4 = b[4],
b5 = b[5],
b6 = b[6],
b7 = b[7],
b8 = b[8],
b9 = b[9],
b10 = b[10],
b11 = b[11],
b12 = b[12],
b13 = b[13],
b14 = b[14],
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;
// t15 left as is
// first car
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);
// second car
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: Float64Array, a: Float64Array): void {
M(o, a, a);
}
function inv25519(o: Float64Array, i: Float64Array): void {
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: Float64Array, i: Float64Array): void {
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: Uint8Array,
n: Uint8Array,
p: Uint8Array,
): number {
const z = new Uint8Array(32);
const x = new Float64Array(80);
let r;
let i;
const a = gf(),
b = gf(),
c = gf(),
d = gf(),
e = gf(),
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: Uint8Array, n: Uint8Array): number {
return crypto_scalarmult(q, n, _9);
}
function crypto_scalarmult_noclamp(
q: Uint8Array,
n: Uint8Array,
p: Uint8Array,
): number {
const z = new Uint8Array(32);
const x = new Float64Array(80);
let r;
let i;
const a = gf(),
b = gf(),
c = gf(),
d = gf(),
e = gf(),
f = gf();
for (i = 0; i < 31; i++) z[i] = n[i];
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;
}
export function crypto_scalarmult_base_noclamp(
q: Uint8Array,
n: Uint8Array,
): number {
return crypto_scalarmult_noclamp(q, n, _9);
}
// prettier-ignore
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: Int32Array,
hl: Int32Array,
m: Uint8Array,
n: number,
): number {
const wh = new Int32Array(16),
wl = new Int32Array(16);
let bh0,
bh1,
bh2,
bh3,
bh4,
bh5,
bh6,
bh7,
bl0,
bl1,
bl2,
bl3,
bl4,
bl5,
bl6,
bl7,
th,
tl,
i,
j,
h,
l,
a,
b,
c,
d;
let ah0 = hh[0],
ah1 = hh[1],
ah2 = hh[2],
ah3 = hh[3],
ah4 = hh[4],
ah5 = hh[5],
ah6 = hh[6],
ah7 = hh[7],
al0 = hl[0],
al1 = hl[1],
al2 = hl[2],
al3 = hl[3],
al4 = hl[4],
al5 = hl[5],
al6 = hl[6],
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;
// add
h = ah7;
l = al7;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
// Sigma1
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;
// Ch
h = (ah4 & ah5) ^ (~ah4 & ah6);
l = (al4 & al5) ^ (~al4 & al6);
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
// K
h = K[i * 2];
l = K[i * 2 + 1];
a += l & 0xffff;
b += l >>> 16;
c += h & 0xffff;
d += h >>> 16;
// w
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);
// add
h = th;
l = tl;
a = l & 0xffff;
b = l >>> 16;
c = h & 0xffff;
d = h >>> 16;
// Sigma0
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;
// Maj
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);
// add
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++) {
// add
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;
// sigma0
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;
// sigma1
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);
}
}
}
// add
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: Uint8Array, m: Uint8Array, n: number): number {
const hh = new Int32Array(8);
const hl = new Int32Array(8);
const x = new Uint8Array(256);
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 (let 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 (let i = 0; i < 8; i++) ts64(out, 8 * i, hh[i], hl[i]);
return 0;
}
/**
* Incremental version of crypto_hash.
*/
export class HashState {
private hh = new Int32Array(8);
private hl = new Int32Array(8);
private next = new Uint8Array(128);
private p = 0;
private total = 0;
constructor() {
this.hh[0] = 0x6a09e667;
this.hh[1] = 0xbb67ae85;
this.hh[2] = 0x3c6ef372;
this.hh[3] = 0xa54ff53a;
this.hh[4] = 0x510e527f;
this.hh[5] = 0x9b05688c;
this.hh[6] = 0x1f83d9ab;
this.hh[7] = 0x5be0cd19;
this.hl[0] = 0xf3bcc908;
this.hl[1] = 0x84caa73b;
this.hl[2] = 0xfe94f82b;
this.hl[3] = 0x5f1d36f1;
this.hl[4] = 0xade682d1;
this.hl[5] = 0x2b3e6c1f;
this.hl[6] = 0xfb41bd6b;
this.hl[7] = 0x137e2179;
}
update(data: Uint8Array): HashState {
this.total += data.length;
let i = 0;
while (i < data.length) {
const r = 128 - this.p;
if (r > data.length - i) {
for (let j = 0; i + j < data.length; j++) {
this.next[this.p + j] = data[i + j];
}
this.p += data.length - i;
break;
} else {
for (let j = 0; this.p + j < 128; j++) {
this.next[this.p + j] = data[i + j];
}
crypto_hashblocks_hl(this.hh, this.hl, this.next, 128);
i += 128 - this.p;
this.p = 0;
}
}
return this;
}
finish(): Uint8Array {
const out = new Uint8Array(64);
let n = this.p;
const x = new Uint8Array(256);
const b = this.total;
for (let i = 0; i < n; i++) x[i] = this.next[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(this.hh, this.hl, x, n);
for (let i = 0; i < 8; i++) ts64(out, 8 * i, this.hh[i], this.hl[i]);
return out;
}
}
function add(p: Float64Array[], q: Float64Array[]): void {
const a = gf(),
b = gf(),
c = gf(),
d = gf(),
e = gf(),
f = gf(),
g = gf(),
h = gf(),
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: Float64Array[], q: Float64Array[], b: number): void {
let i;
for (i = 0; i < 4; i++) {
sel25519(p[i], q[i], b);
}
}
function pack(r: Uint8Array, p: Float64Array[]): void {
const tx = gf(),
ty = gf(),
zi = gf();
inv25519(zi, p[2]);
M(tx, p[0], zi);
M(ty, p[1], zi);
pack25519(r, ty);
r[31] ^= par25519(tx) << 7;
}
/**
* Ed25519 scalar multiplication
*/
function scalarmult(p: Float64Array[], q: Float64Array[], s: Uint8Array): void {
let b, 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: Float64Array[], s: Uint8Array): void {
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);
}
function crypto_sign_keypair(
pk: Uint8Array,
sk: Uint8Array,
seeded: boolean,
): number {
const d = new Uint8Array(64);
const p = [gf(), gf(), gf(), gf()];
if (!seeded) randombytes(sk, 32);
crypto_hash(d, sk, 32);
d[0] &= 248;
d[31] &= 127;
d[31] |= 64;
scalarbase(p, d);
pack(pk, p);
for (let i = 0; i < 32; i++) sk[i + 32] = pk[i];
return 0;
}
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: Uint8Array, x: Float64Array): void {
let carry, i, j, 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 = Math.floor((x[j] + 128) / 256);
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] -= carry * L[j];
for (i = 0; i < 32; i++) {
x[i + 1] += x[i] >> 8;
r[i] = x[i] & 255;
}
}
function reduce(r: Uint8Array): void {
const x = new Float64Array(64);
for (let i = 0; i < 64; i++) x[i] = r[i];
for (let i = 0; i < 64; i++) r[i] = 0;
modL(r, x);
}
// Note: difference from C - smlen returned, not passed as argument.
function crypto_sign(
sm: Uint8Array,
m: Uint8Array,
n: number,
sk: Uint8Array,
): number {
const d = new Uint8Array(64),
h = new Uint8Array(64),
r = new Uint8Array(64);
let i, j;
const x = new Float64Array(64);
const p = [gf(), gf(), gf(), gf()];
crypto_hash(d, sk, 32);
d[0] &= 248;
d[31] &= 127;
d[31] |= 64;
const smlen = n + 64;
for (i = 0; i < n; i++) sm[64 + i] = m[i];
for (i = 0; i < 32; i++) sm[32 + i] = d[32 + i];
crypto_hash(r, sm.subarray(32), n + 32);
reduce(r);
scalarbase(p, r);
pack(sm, p);
for (i = 32; i < 64; i++) sm[i] = sk[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] * d[j];
}
}
modL(sm.subarray(32), x);
return smlen;
}
function unpackpos(r: Float64Array[], p: Uint8Array): number {
// FIXME: implement directly
const q = [gf(), gf(), gf(), gf()];
if (unpackneg(q, p)) return -1;
const scalar0 = new Uint8Array(32);
const scalar1 = new Uint8Array(32);
scalar1[0] = 1;
const scalarNeg1 = crypto_core_ed25519_scalar_sub(scalar0, scalar1);
scalarmult(r, q, scalarNeg1);
return 0;
}
function unpackneg(r: Float64Array[], p: Uint8Array): number {
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;
}
export function crypto_scalarmult_ed25519_base_noclamp(
s: Uint8Array,
): Uint8Array {
const r = new Uint8Array(32);
const p = [gf(), gf(), gf(), gf()];
scalarbase(p, s);
pack(r, p);
return r;
}
export function crypto_scalarmult_ed25519_noclamp(
s: Uint8Array,
q: Uint8Array,
): Uint8Array {
const r = new Uint8Array(32);
const p = [gf(), gf(), gf(), gf()];
const ql = [gf(), gf(), gf(), gf()];
if (unpackpos(ql, q)) throw new Error();
scalarmult(p, ql, s);
pack(r, p);
return r;
}
export function crypto_core_ed25519_add(
p1: Uint8Array,
p2: Uint8Array,
): Uint8Array {
const q1 = [gf(), gf(), gf(), gf()];
const q2 = [gf(), gf(), gf(), gf()];
const res = new Uint8Array(32);
if (unpackpos(q1, p1)) throw new Error();
if (unpackpos(q2, p2)) throw new Error();
add(q1, q2);
pack(res, q1);
return res;
}
function crypto_sign_open(
m: Uint8Array,
sm: Uint8Array,
n: number,
pk: Uint8Array,
): number {
let i, mlen;
const t = new Uint8Array(32),
h = new Uint8Array(64);
const p = [gf(), gf(), gf(), gf()],
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;
}
const crypto_secretbox_KEYBYTES = 32;
const crypto_secretbox_NONCEBYTES = 24;
const crypto_secretbox_ZEROBYTES = 32;
const crypto_secretbox_BOXZEROBYTES = 16;
const crypto_scalarmult_BYTES = 32;
const crypto_scalarmult_SCALARBYTES = 32;
const crypto_sign_BYTES = 64;
const crypto_sign_PUBLICKEYBYTES = 32;
const crypto_sign_SECRETKEYBYTES = 64;
const crypto_sign_SEEDBYTES = 32;
const crypto_hash_BYTES = 64;
/* High-level API */
function checkLengths(k: Uint8Array, n: Uint8Array) {
if (k.length !== crypto_secretbox_KEYBYTES) throw new Error("bad key size");
if (n.length !== crypto_secretbox_NONCEBYTES)
throw new Error("bad nonce size");
}
function checkArrayTypes(...args: Uint8Array[]): void {
for (let i = 0; i < args.length; i++) {
if (!(args[i] instanceof Uint8Array))
throw new TypeError("unexpected type, use Uint8Array");
}
}
export function randomBytes(n: number): Uint8Array {
const b = new Uint8Array(n);
randombytes(b, n);
return b;
}
export function scalarMult(n: Uint8Array, p: Uint8Array): Uint8Array {
checkArrayTypes(n, p);
if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error("bad n size");
if (p.length !== crypto_scalarmult_BYTES) throw new Error("bad p size");
const q = new Uint8Array(crypto_scalarmult_BYTES);
crypto_scalarmult(q, n, p);
return q;
}
export function scalarMult_base(n: Uint8Array): Uint8Array {
checkArrayTypes(n);
if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error("bad n size");
const q = new Uint8Array(crypto_scalarmult_BYTES);
crypto_scalarmult_base(q, n);
return q;
}
export const scalarMult_scalarLength = crypto_scalarmult_SCALARBYTES;
export const scalarMult_groupElementLength = crypto_scalarmult_BYTES;
export function sign(msg: Uint8Array, secretKey: Uint8Array): Uint8Array {
checkArrayTypes(msg, secretKey);
if (secretKey.length !== crypto_sign_SECRETKEYBYTES)
throw new Error("bad secret key size");
const signedMsg = new Uint8Array(crypto_sign_BYTES + msg.length);
crypto_sign(signedMsg, msg, msg.length, secretKey);
return signedMsg;
}
export function sign_open(
signedMsg: Uint8Array,
publicKey: Uint8Array,
): Uint8Array | null {
checkArrayTypes(signedMsg, publicKey);
if (publicKey.length !== crypto_sign_PUBLICKEYBYTES)
throw new Error("bad public key size");
const tmp = new Uint8Array(signedMsg.length);
const mlen = crypto_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;
}
export function sign_detached(
msg: Uint8Array,
secretKey: Uint8Array,
): Uint8Array {
const signedMsg = sign(msg, secretKey);
const sig = new Uint8Array(crypto_sign_BYTES);
for (let i = 0; i < sig.length; i++) sig[i] = signedMsg[i];
return sig;
}
export function sign_detached_verify(
msg: Uint8Array,
sig: Uint8Array,
publicKey: Uint8Array,
): boolean {
checkArrayTypes(msg, sig, publicKey);
if (sig.length !== crypto_sign_BYTES) throw new Error("bad signature size");
if (publicKey.length !== crypto_sign_PUBLICKEYBYTES)
throw new Error("bad public key size");
const sm = new Uint8Array(crypto_sign_BYTES + msg.length);
const m = new Uint8Array(crypto_sign_BYTES + msg.length);
let i;
for (i = 0; i < crypto_sign_BYTES; i++) sm[i] = sig[i];
for (i = 0; i < msg.length; i++) sm[i + crypto_sign_BYTES] = msg[i];
return crypto_sign_open(m, sm, sm.length, publicKey) >= 0;
}
export function sign_keyPair(): {
publicKey: Uint8Array;
secretKey: Uint8Array;
} {
const pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
const sk = new Uint8Array(crypto_sign_SECRETKEYBYTES);
crypto_sign_keypair(pk, sk, false);
return { publicKey: pk, secretKey: sk };
}
export function x25519_edwards_keyPair_fromSecretKey(
secretKey: Uint8Array,
): Uint8Array {
const p = [gf(), gf(), gf(), gf()];
const pk = new Uint8Array(32);
const d = new Uint8Array(64);
if (secretKey.length != 32) {
throw new Error("bad secret key size");
}
d.set(secretKey, 0);
d[0] &= 248;
d[31] &= 127;
d[31] |= 64;
scalarbase(p, d);
pack(pk, p);
return pk;
}
export function crypto_sign_keyPair_fromSecretKey(secretKey: Uint8Array): {
publicKey: Uint8Array;
secretKey: Uint8Array;
} {
checkArrayTypes(secretKey);
if (secretKey.length !== crypto_sign_SECRETKEYBYTES)
throw new Error("bad secret key size");
const pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
for (let i = 0; i < pk.length; i++) pk[i] = secretKey[32 + i];
return { publicKey: pk, secretKey: new Uint8Array(secretKey) };
}
export function crypto_sign_keyPair_fromSeed(seed: Uint8Array): {
publicKey: Uint8Array;
secretKey: Uint8Array;
} {
checkArrayTypes(seed);
if (seed.length !== crypto_sign_SEEDBYTES)
throw new Error(`bad seed size: ${seed.length}`);
const pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
const sk = new Uint8Array(crypto_sign_SECRETKEYBYTES);
for (let i = 0; i < 32; i++) sk[i] = seed[i];
crypto_sign_keypair(pk, sk, true);
return { publicKey: pk, secretKey: sk };
}
export const sign_publicKeyLength = crypto_sign_PUBLICKEYBYTES;
export const sign_secretKeyLength = crypto_sign_SECRETKEYBYTES;
export const sign_seedLength = crypto_sign_SEEDBYTES;
export const sign_signatureLength = crypto_sign_BYTES;
export function hash(msg: Uint8Array): Uint8Array {
checkArrayTypes(msg);
const h = new Uint8Array(crypto_hash_BYTES);
crypto_hash(h, msg, msg.length);
return h;
}
export const hash_hashLength = crypto_hash_BYTES;
export function verify(x: Uint8Array, y: Uint8Array): boolean {
checkArrayTypes(x, y);
// Zero length arguments are considered not equal.
if (x.length === 0 || y.length === 0) return false;
if (x.length !== y.length) return false;
return vn(x, 0, y, 0, x.length) === 0 ? true : false;
}
export function setPRNG(fn: (x: Uint8Array, n: number) => void): void {
randombytes = fn;
}
export function sign_ed25519_pk_to_curve25519(
ed25519_pk: Uint8Array,
): Uint8Array {
const ge_a = [gf(), gf(), gf(), gf()];
const x = gf();
const one_minus_y = gf();
const x25519_pk = new Uint8Array(32);
if (unpackneg(ge_a, ed25519_pk)) {
throw Error("invalid public key");
}
set25519(one_minus_y, gf1);
Z(one_minus_y, one_minus_y, ge_a[1]);
set25519(x, gf1);
A(x, x, ge_a[1]);
inv25519(one_minus_y, one_minus_y);
M(x, x, one_minus_y);
pack25519(x25519_pk, x);
return x25519_pk;
}
export function secretbox(
msg: Uint8Array,
nonce: Uint8Array,
key: Uint8Array,
): Uint8Array {
checkArrayTypes(msg, nonce, key);
checkLengths(key, nonce);
var m = new Uint8Array(crypto_secretbox_ZEROBYTES + msg.length);
var c = new Uint8Array(m.length);
for (var i = 0; i < msg.length; i++)
m[i + crypto_secretbox_ZEROBYTES] = msg[i];
crypto_secretbox(c, m, m.length, nonce, key);
return c.subarray(crypto_secretbox_BOXZEROBYTES);
}
export function secretbox_open(
box: Uint8Array,
nonce: Uint8Array,
key: Uint8Array,
): Uint8Array | undefined {
checkArrayTypes(box, nonce, key);
checkLengths(key, nonce);
var c = new Uint8Array(crypto_secretbox_BOXZEROBYTES + box.length);
var m = new Uint8Array(c.length);
for (var i = 0; i < box.length; i++)
c[i + crypto_secretbox_BOXZEROBYTES] = box[i];
if (c.length < 32) return undefined;
if (crypto_secretbox_open(m, c, c.length, nonce, key) !== 0) return undefined;
return m.subarray(crypto_secretbox_ZEROBYTES);
}
export function crypto_core_ed25519_scalar_add(
x: Uint8Array,
y: Uint8Array,
): Uint8Array {
const z = new Float64Array(64);
for (let i = 0; i < 32; i++) {
z[i] = x[i] + y[i];
}
const o = new Uint8Array(32);
modL(o, z);
return o;
}
export function crypto_core_ed25519_scalar_sub(
x: Uint8Array,
y: Uint8Array,
): Uint8Array {
const z = new Float64Array(64);
for (let i = 0; i < 32; i++) {
z[i] = x[i] - y[i];
}
const o = new Uint8Array(32);
modL(o, z);
return o;
}