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-rw-r--r--src/crypto/primitives/nacl-fast.ts1941
1 files changed, 0 insertions, 1941 deletions
diff --git a/src/crypto/primitives/nacl-fast.ts b/src/crypto/primitives/nacl-fast.ts
deleted file mode 100644
index 8d4aaeb63..000000000
--- a/src/crypto/primitives/nacl-fast.ts
+++ /dev/null
@@ -1,1941 +0,0 @@
-// 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_32(
- x: Uint8Array,
- xi: number,
- y: Uint8Array,
- yi: number,
-): number {
- return vn(x, xi, y, yi, 32);
-}
-
-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);
-}
-
-// 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;
-}
-
-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 = (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] -= 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 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;
-}
-
-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_scalarmult_BYTES = 32,
- crypto_scalarmult_SCALARBYTES = 32,
- crypto_sign_BYTES = 64,
- crypto_sign_PUBLICKEYBYTES = 32,
- crypto_sign_SECRETKEYBYTES = 64,
- crypto_sign_SEEDBYTES = 32,
- crypto_hash_BYTES = 64;
-
-/* High-level API */
-
-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");
- }
-}
-
-function cleanup(arr: Uint8Array): void {
- for (let i = 0; i < arr.length; i++) arr[i] = 0;
-}
-
-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);
- //crypto_hash(d, secretKey, 32);
-
- d[0] &= 248;
- d[31] &= 127;
- d[31] |= 64;
-
- scalarbase(p, d);
- pack(pk, p);
-
- return pk;
-}
-
-export function 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 sign_keyPair_fromSeed(
- seed: Uint8Array,
-): {
- publicKey: Uint8Array;
- secretKey: Uint8Array;
-} {
- checkArrayTypes(seed);
- if (seed.length !== crypto_sign_SEEDBYTES) throw new Error("bad seed size");
- 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;
-}
-
-(function () {
- // Initialize PRNG if environment provides CSPRNG.
- // If not, methods calling randombytes will throw.
- const cr =
- typeof self !== "undefined" ? self.crypto || (self as any).msCrypto : null;
- if (cr && cr.getRandomValues) {
- // Browsers.
- const QUOTA = 65536;
- setPRNG(function (x: Uint8Array, n: number) {
- let i;
- const v = new Uint8Array(n);
- for (i = 0; i < n; i += QUOTA) {
- cr.getRandomValues(v.subarray(i, i + Math.min(n - i, QUOTA)));
- }
- for (i = 0; i < n; i++) x[i] = v[i];
- cleanup(v);
- });
- } else if (typeof require !== "undefined") {
- // Node.js.
- // eslint-disable-next-line @typescript-eslint/no-var-requires
- const cr = require("crypto");
- if (cr && cr.randomBytes) {
- setPRNG(function (x: Uint8Array, n: number) {
- const v = cr.randomBytes(n);
- for (let i = 0; i < n; i++) x[i] = v[i];
- cleanup(v);
- });
- }
- }
-})();
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-25 04:48:05 +0000