openpgp
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OpenPGP.js is a Javascript implementation of the OpenPGP protocol. This is defined in RFC 4880.
979 lines (969 loc) • 39.9 kB
JavaScript
/*! OpenPGP.js v6.2.1 - 2025-08-26 - this is LGPL licensed code, see LICENSE/our website https://openpgpjs.org/ for more information. */
const globalThis = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
const crypto = typeof globalThis === 'object' && 'crypto' in globalThis ? globalThis.crypto : undefined;
/**
* Utilities for hex, bytes, CSPRNG.
* @module
*/
/*! noble-hashes - MIT License (c) 2022 Paul Miller (paulmillr.com) */
// We use WebCrypto aka globalThis.crypto, which exists in browsers and node.js 16+.
// node.js versions earlier than v19 don't declare it in global scope.
// For node.js, package.json#exports field mapping rewrites import
// from `crypto` to `cryptoNode`, which imports native module.
// Makes the utils un-importable in browsers without a bundler.
// Once node.js 18 is deprecated (2025-04-30), we can just drop the import.
/** Checks if something is Uint8Array. Be careful: nodejs Buffer will return true. */
function isBytes(a) {
return a instanceof Uint8Array || (ArrayBuffer.isView(a) && a.constructor.name === 'Uint8Array');
}
/** Asserts something is positive integer. */
function anumber(n) {
if (!Number.isSafeInteger(n) || n < 0)
throw new Error('positive integer expected, got ' + n);
}
/** Asserts something is Uint8Array. */
function abytes(b, ...lengths) {
if (!isBytes(b))
throw new Error('Uint8Array expected');
if (lengths.length > 0 && !lengths.includes(b.length))
throw new Error('Uint8Array expected of length ' + lengths + ', got length=' + b.length);
}
/** Asserts something is hash */
function ahash(h) {
if (typeof h !== 'function' || typeof h.create !== 'function')
throw new Error('Hash should be wrapped by utils.createHasher');
anumber(h.outputLen);
anumber(h.blockLen);
}
/** Asserts a hash instance has not been destroyed / finished */
function aexists(instance, checkFinished = true) {
if (instance.destroyed)
throw new Error('Hash instance has been destroyed');
if (checkFinished && instance.finished)
throw new Error('Hash#digest() has already been called');
}
/** Asserts output is properly-sized byte array */
function aoutput(out, instance) {
abytes(out);
const min = instance.outputLen;
if (out.length < min) {
throw new Error('digestInto() expects output buffer of length at least ' + min);
}
}
/** Cast u8 / u16 / u32 to u32. */
function u32(arr) {
return new Uint32Array(arr.buffer, arr.byteOffset, Math.floor(arr.byteLength / 4));
}
/** Zeroize a byte array. Warning: JS provides no guarantees. */
function clean(...arrays) {
for (let i = 0; i < arrays.length; i++) {
arrays[i].fill(0);
}
}
/** Create DataView of an array for easy byte-level manipulation. */
function createView(arr) {
return new DataView(arr.buffer, arr.byteOffset, arr.byteLength);
}
/** The rotate right (circular right shift) operation for uint32 */
function rotr(word, shift) {
return (word << (32 - shift)) | (word >>> shift);
}
/** The rotate left (circular left shift) operation for uint32 */
function rotl(word, shift) {
return (word << shift) | ((word >>> (32 - shift)) >>> 0);
}
/** Is current platform little-endian? Most are. Big-Endian platform: IBM */
const isLE = /* @__PURE__ */ (() => new Uint8Array(new Uint32Array([0x11223344]).buffer)[0] === 0x44)();
/** The byte swap operation for uint32 */
function byteSwap(word) {
return (((word << 24) & 0xff000000) |
((word << 8) & 0xff0000) |
((word >>> 8) & 0xff00) |
((word >>> 24) & 0xff));
}
/** In place byte swap for Uint32Array */
function byteSwap32(arr) {
for (let i = 0; i < arr.length; i++) {
arr[i] = byteSwap(arr[i]);
}
return arr;
}
const swap32IfBE = isLE
? (u) => u
: byteSwap32;
// Built-in hex conversion https://caniuse.com/mdn-javascript_builtins_uint8array_fromhex
const hasHexBuiltin = /* @__PURE__ */ (() =>
// @ts-ignore
typeof Uint8Array.from([]).toHex === 'function' && typeof Uint8Array.fromHex === 'function')();
// Array where index 0xf0 (240) is mapped to string 'f0'
const hexes = /* @__PURE__ */ Array.from({ length: 256 }, (_, i) => i.toString(16).padStart(2, '0'));
/**
* Convert byte array to hex string. Uses built-in function, when available.
* @example bytesToHex(Uint8Array.from([0xca, 0xfe, 0x01, 0x23])) // 'cafe0123'
*/
function bytesToHex(bytes) {
abytes(bytes);
// @ts-ignore
if (hasHexBuiltin)
return bytes.toHex();
// pre-caching improves the speed 6x
let hex = '';
for (let i = 0; i < bytes.length; i++) {
hex += hexes[bytes[i]];
}
return hex;
}
// We use optimized technique to convert hex string to byte array
const asciis = { _0: 48, _9: 57, A: 65, F: 70, a: 97, f: 102 };
function asciiToBase16(ch) {
if (ch >= asciis._0 && ch <= asciis._9)
return ch - asciis._0; // '2' => 50-48
if (ch >= asciis.A && ch <= asciis.F)
return ch - (asciis.A - 10); // 'B' => 66-(65-10)
if (ch >= asciis.a && ch <= asciis.f)
return ch - (asciis.a - 10); // 'b' => 98-(97-10)
return;
}
/**
* Convert hex string to byte array. Uses built-in function, when available.
* @example hexToBytes('cafe0123') // Uint8Array.from([0xca, 0xfe, 0x01, 0x23])
*/
function hexToBytes(hex) {
if (typeof hex !== 'string')
throw new Error('hex string expected, got ' + typeof hex);
// @ts-ignore
if (hasHexBuiltin)
return Uint8Array.fromHex(hex);
const hl = hex.length;
const al = hl / 2;
if (hl % 2)
throw new Error('hex string expected, got unpadded hex of length ' + hl);
const array = new Uint8Array(al);
for (let ai = 0, hi = 0; ai < al; ai++, hi += 2) {
const n1 = asciiToBase16(hex.charCodeAt(hi));
const n2 = asciiToBase16(hex.charCodeAt(hi + 1));
if (n1 === undefined || n2 === undefined) {
const char = hex[hi] + hex[hi + 1];
throw new Error('hex string expected, got non-hex character "' + char + '" at index ' + hi);
}
array[ai] = n1 * 16 + n2; // multiply first octet, e.g. 'a3' => 10*16+3 => 160 + 3 => 163
}
return array;
}
/**
* Converts string to bytes using UTF8 encoding.
* @example utf8ToBytes('abc') // Uint8Array.from([97, 98, 99])
*/
function utf8ToBytes(str) {
if (typeof str !== 'string')
throw new Error('string expected');
return new Uint8Array(new TextEncoder().encode(str)); // https://bugzil.la/1681809
}
/**
* Normalizes (non-hex) string or Uint8Array to Uint8Array.
* Warning: when Uint8Array is passed, it would NOT get copied.
* Keep in mind for future mutable operations.
*/
function toBytes(data) {
if (typeof data === 'string')
data = utf8ToBytes(data);
abytes(data);
return data;
}
/** Copies several Uint8Arrays into one. */
function concatBytes(...arrays) {
let sum = 0;
for (let i = 0; i < arrays.length; i++) {
const a = arrays[i];
abytes(a);
sum += a.length;
}
const res = new Uint8Array(sum);
for (let i = 0, pad = 0; i < arrays.length; i++) {
const a = arrays[i];
res.set(a, pad);
pad += a.length;
}
return res;
}
/** For runtime check if class implements interface */
class Hash {
}
/** Wraps hash function, creating an interface on top of it */
function createHasher(hashCons) {
const hashC = (msg) => hashCons().update(toBytes(msg)).digest();
const tmp = hashCons();
hashC.outputLen = tmp.outputLen;
hashC.blockLen = tmp.blockLen;
hashC.create = () => hashCons();
return hashC;
}
function createXOFer(hashCons) {
const hashC = (msg, opts) => hashCons(opts).update(toBytes(msg)).digest();
const tmp = hashCons({});
hashC.outputLen = tmp.outputLen;
hashC.blockLen = tmp.blockLen;
hashC.create = (opts) => hashCons(opts);
return hashC;
}
const wrapConstructor = createHasher;
/** Cryptographically secure PRNG. Uses internal OS-level `crypto.getRandomValues`. */
function randomBytes(bytesLength = 32) {
if (crypto && typeof crypto.getRandomValues === 'function') {
return crypto.getRandomValues(new Uint8Array(bytesLength));
}
// Legacy Node.js compatibility
if (crypto && typeof crypto.randomBytes === 'function') {
return Uint8Array.from(crypto.randomBytes(bytesLength));
}
throw new Error('crypto.getRandomValues must be defined');
}
/**
* Internal Merkle-Damgard hash utils.
* @module
*/
/** Polyfill for Safari 14. https://caniuse.com/mdn-javascript_builtins_dataview_setbiguint64 */
function setBigUint64(view, byteOffset, value, isLE) {
if (typeof view.setBigUint64 === 'function')
return view.setBigUint64(byteOffset, value, isLE);
const _32n = BigInt(32);
const _u32_max = BigInt(0xffffffff);
const wh = Number((value >> _32n) & _u32_max);
const wl = Number(value & _u32_max);
const h = isLE ? 4 : 0;
const l = isLE ? 0 : 4;
view.setUint32(byteOffset + h, wh, isLE);
view.setUint32(byteOffset + l, wl, isLE);
}
/** Choice: a ? b : c */
function Chi(a, b, c) {
return (a & b) ^ (~a & c);
}
/** Majority function, true if any two inputs is true. */
function Maj(a, b, c) {
return (a & b) ^ (a & c) ^ (b & c);
}
/**
* Merkle-Damgard hash construction base class.
* Could be used to create MD5, RIPEMD, SHA1, SHA2.
*/
class HashMD extends Hash {
constructor(blockLen, outputLen, padOffset, isLE) {
super();
this.finished = false;
this.length = 0;
this.pos = 0;
this.destroyed = false;
this.blockLen = blockLen;
this.outputLen = outputLen;
this.padOffset = padOffset;
this.isLE = isLE;
this.buffer = new Uint8Array(blockLen);
this.view = createView(this.buffer);
}
update(data) {
aexists(this);
data = toBytes(data);
abytes(data);
const { view, buffer, blockLen } = this;
const len = data.length;
for (let pos = 0; pos < len;) {
const take = Math.min(blockLen - this.pos, len - pos);
// Fast path: we have at least one block in input, cast it to view and process
if (take === blockLen) {
const dataView = createView(data);
for (; blockLen <= len - pos; pos += blockLen)
this.process(dataView, pos);
continue;
}
buffer.set(data.subarray(pos, pos + take), this.pos);
this.pos += take;
pos += take;
if (this.pos === blockLen) {
this.process(view, 0);
this.pos = 0;
}
}
this.length += data.length;
this.roundClean();
return this;
}
digestInto(out) {
aexists(this);
aoutput(out, this);
this.finished = true;
// Padding
// We can avoid allocation of buffer for padding completely if it
// was previously not allocated here. But it won't change performance.
const { buffer, view, blockLen, isLE } = this;
let { pos } = this;
// append the bit '1' to the message
buffer[pos++] = 0b10000000;
clean(this.buffer.subarray(pos));
// we have less than padOffset left in buffer, so we cannot put length in
// current block, need process it and pad again
if (this.padOffset > blockLen - pos) {
this.process(view, 0);
pos = 0;
}
// Pad until full block byte with zeros
for (let i = pos; i < blockLen; i++)
buffer[i] = 0;
// Note: sha512 requires length to be 128bit integer, but length in JS will overflow before that
// You need to write around 2 exabytes (u64_max / 8 / (1024**6)) for this to happen.
// So we just write lowest 64 bits of that value.
setBigUint64(view, blockLen - 8, BigInt(this.length * 8), isLE);
this.process(view, 0);
const oview = createView(out);
const len = this.outputLen;
// NOTE: we do division by 4 later, which should be fused in single op with modulo by JIT
if (len % 4)
throw new Error('_sha2: outputLen should be aligned to 32bit');
const outLen = len / 4;
const state = this.get();
if (outLen > state.length)
throw new Error('_sha2: outputLen bigger than state');
for (let i = 0; i < outLen; i++)
oview.setUint32(4 * i, state[i], isLE);
}
digest() {
const { buffer, outputLen } = this;
this.digestInto(buffer);
const res = buffer.slice(0, outputLen);
this.destroy();
return res;
}
_cloneInto(to) {
to || (to = new this.constructor());
to.set(...this.get());
const { blockLen, buffer, length, finished, destroyed, pos } = this;
to.destroyed = destroyed;
to.finished = finished;
to.length = length;
to.pos = pos;
if (length % blockLen)
to.buffer.set(buffer);
return to;
}
clone() {
return this._cloneInto();
}
}
/**
* Initial SHA-2 state: fractional parts of square roots of first 16 primes 2..53.
* Check out `test/misc/sha2-gen-iv.js` for recomputation guide.
*/
/** Initial SHA256 state. Bits 0..32 of frac part of sqrt of primes 2..19 */
const SHA256_IV = /* @__PURE__ */ Uint32Array.from([
0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19,
]);
/** Initial SHA224 state. Bits 32..64 of frac part of sqrt of primes 23..53 */
const SHA224_IV = /* @__PURE__ */ Uint32Array.from([
0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4,
]);
/** Initial SHA384 state. Bits 0..64 of frac part of sqrt of primes 23..53 */
const SHA384_IV = /* @__PURE__ */ Uint32Array.from([
0xcbbb9d5d, 0xc1059ed8, 0x629a292a, 0x367cd507, 0x9159015a, 0x3070dd17, 0x152fecd8, 0xf70e5939,
0x67332667, 0xffc00b31, 0x8eb44a87, 0x68581511, 0xdb0c2e0d, 0x64f98fa7, 0x47b5481d, 0xbefa4fa4,
]);
/** Initial SHA512 state. Bits 0..64 of frac part of sqrt of primes 2..19 */
const SHA512_IV = /* @__PURE__ */ Uint32Array.from([
0x6a09e667, 0xf3bcc908, 0xbb67ae85, 0x84caa73b, 0x3c6ef372, 0xfe94f82b, 0xa54ff53a, 0x5f1d36f1,
0x510e527f, 0xade682d1, 0x9b05688c, 0x2b3e6c1f, 0x1f83d9ab, 0xfb41bd6b, 0x5be0cd19, 0x137e2179,
]);
/**
* Internal helpers for u64. BigUint64Array is too slow as per 2025, so we implement it using Uint32Array.
* @todo re-check https://issues.chromium.org/issues/42212588
* @module
*/
const U32_MASK64 = /* @__PURE__ */ BigInt(2 ** 32 - 1);
const _32n = /* @__PURE__ */ BigInt(32);
function fromBig(n, le = false) {
if (le)
return { h: Number(n & U32_MASK64), l: Number((n >> _32n) & U32_MASK64) };
return { h: Number((n >> _32n) & U32_MASK64) | 0, l: Number(n & U32_MASK64) | 0 };
}
function split(lst, le = false) {
const len = lst.length;
let Ah = new Uint32Array(len);
let Al = new Uint32Array(len);
for (let i = 0; i < len; i++) {
const { h, l } = fromBig(lst[i], le);
[Ah[i], Al[i]] = [h, l];
}
return [Ah, Al];
}
// for Shift in [0, 32)
const shrSH = (h, _l, s) => h >>> s;
const shrSL = (h, l, s) => (h << (32 - s)) | (l >>> s);
// Right rotate for Shift in [1, 32)
const rotrSH = (h, l, s) => (h >>> s) | (l << (32 - s));
const rotrSL = (h, l, s) => (h << (32 - s)) | (l >>> s);
// Right rotate for Shift in (32, 64), NOTE: 32 is special case.
const rotrBH = (h, l, s) => (h << (64 - s)) | (l >>> (s - 32));
const rotrBL = (h, l, s) => (h >>> (s - 32)) | (l << (64 - s));
// Left rotate for Shift in [1, 32)
const rotlSH = (h, l, s) => (h << s) | (l >>> (32 - s));
const rotlSL = (h, l, s) => (l << s) | (h >>> (32 - s));
// Left rotate for Shift in (32, 64), NOTE: 32 is special case.
const rotlBH = (h, l, s) => (l << (s - 32)) | (h >>> (64 - s));
const rotlBL = (h, l, s) => (h << (s - 32)) | (l >>> (64 - s));
// JS uses 32-bit signed integers for bitwise operations which means we cannot
// simple take carry out of low bit sum by shift, we need to use division.
function add(Ah, Al, Bh, Bl) {
const l = (Al >>> 0) + (Bl >>> 0);
return { h: (Ah + Bh + ((l / 2 ** 32) | 0)) | 0, l: l | 0 };
}
// Addition with more than 2 elements
const add3L = (Al, Bl, Cl) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0);
const add3H = (low, Ah, Bh, Ch) => (Ah + Bh + Ch + ((low / 2 ** 32) | 0)) | 0;
const add4L = (Al, Bl, Cl, Dl) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0) + (Dl >>> 0);
const add4H = (low, Ah, Bh, Ch, Dh) => (Ah + Bh + Ch + Dh + ((low / 2 ** 32) | 0)) | 0;
const add5L = (Al, Bl, Cl, Dl, El) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0) + (Dl >>> 0) + (El >>> 0);
const add5H = (low, Ah, Bh, Ch, Dh, Eh) => (Ah + Bh + Ch + Dh + Eh + ((low / 2 ** 32) | 0)) | 0;
/**
* SHA2 hash function. A.k.a. sha256, sha384, sha512, sha512_224, sha512_256.
* SHA256 is the fastest hash implementable in JS, even faster than Blake3.
* Check out [RFC 4634](https://datatracker.ietf.org/doc/html/rfc4634) and
* [FIPS 180-4](https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf).
* @module
*/
/**
* Round constants:
* First 32 bits of fractional parts of the cube roots of the first 64 primes 2..311)
*/
// prettier-ignore
const SHA256_K = /* @__PURE__ */ Uint32Array.from([
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
]);
/** Reusable temporary buffer. "W" comes straight from spec. */
const SHA256_W = /* @__PURE__ */ new Uint32Array(64);
class SHA256 extends HashMD {
constructor(outputLen = 32) {
super(64, outputLen, 8, false);
// We cannot use array here since array allows indexing by variable
// which means optimizer/compiler cannot use registers.
this.A = SHA256_IV[0] | 0;
this.B = SHA256_IV[1] | 0;
this.C = SHA256_IV[2] | 0;
this.D = SHA256_IV[3] | 0;
this.E = SHA256_IV[4] | 0;
this.F = SHA256_IV[5] | 0;
this.G = SHA256_IV[6] | 0;
this.H = SHA256_IV[7] | 0;
}
get() {
const { A, B, C, D, E, F, G, H } = this;
return [A, B, C, D, E, F, G, H];
}
// prettier-ignore
set(A, B, C, D, E, F, G, H) {
this.A = A | 0;
this.B = B | 0;
this.C = C | 0;
this.D = D | 0;
this.E = E | 0;
this.F = F | 0;
this.G = G | 0;
this.H = H | 0;
}
process(view, offset) {
// Extend the first 16 words into the remaining 48 words w[16..63] of the message schedule array
for (let i = 0; i < 16; i++, offset += 4)
SHA256_W[i] = view.getUint32(offset, false);
for (let i = 16; i < 64; i++) {
const W15 = SHA256_W[i - 15];
const W2 = SHA256_W[i - 2];
const s0 = rotr(W15, 7) ^ rotr(W15, 18) ^ (W15 >>> 3);
const s1 = rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >>> 10);
SHA256_W[i] = (s1 + SHA256_W[i - 7] + s0 + SHA256_W[i - 16]) | 0;
}
// Compression function main loop, 64 rounds
let { A, B, C, D, E, F, G, H } = this;
for (let i = 0; i < 64; i++) {
const sigma1 = rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25);
const T1 = (H + sigma1 + Chi(E, F, G) + SHA256_K[i] + SHA256_W[i]) | 0;
const sigma0 = rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22);
const T2 = (sigma0 + Maj(A, B, C)) | 0;
H = G;
G = F;
F = E;
E = (D + T1) | 0;
D = C;
C = B;
B = A;
A = (T1 + T2) | 0;
}
// Add the compressed chunk to the current hash value
A = (A + this.A) | 0;
B = (B + this.B) | 0;
C = (C + this.C) | 0;
D = (D + this.D) | 0;
E = (E + this.E) | 0;
F = (F + this.F) | 0;
G = (G + this.G) | 0;
H = (H + this.H) | 0;
this.set(A, B, C, D, E, F, G, H);
}
roundClean() {
clean(SHA256_W);
}
destroy() {
this.set(0, 0, 0, 0, 0, 0, 0, 0);
clean(this.buffer);
}
}
class SHA224 extends SHA256 {
constructor() {
super(28);
this.A = SHA224_IV[0] | 0;
this.B = SHA224_IV[1] | 0;
this.C = SHA224_IV[2] | 0;
this.D = SHA224_IV[3] | 0;
this.E = SHA224_IV[4] | 0;
this.F = SHA224_IV[5] | 0;
this.G = SHA224_IV[6] | 0;
this.H = SHA224_IV[7] | 0;
}
}
// SHA2-512 is slower than sha256 in js because u64 operations are slow.
// Round contants
// First 32 bits of the fractional parts of the cube roots of the first 80 primes 2..409
// prettier-ignore
const K512 = /* @__PURE__ */ (() => split([
'0x428a2f98d728ae22', '0x7137449123ef65cd', '0xb5c0fbcfec4d3b2f', '0xe9b5dba58189dbbc',
'0x3956c25bf348b538', '0x59f111f1b605d019', '0x923f82a4af194f9b', '0xab1c5ed5da6d8118',
'0xd807aa98a3030242', '0x12835b0145706fbe', '0x243185be4ee4b28c', '0x550c7dc3d5ffb4e2',
'0x72be5d74f27b896f', '0x80deb1fe3b1696b1', '0x9bdc06a725c71235', '0xc19bf174cf692694',
'0xe49b69c19ef14ad2', '0xefbe4786384f25e3', '0x0fc19dc68b8cd5b5', '0x240ca1cc77ac9c65',
'0x2de92c6f592b0275', '0x4a7484aa6ea6e483', '0x5cb0a9dcbd41fbd4', '0x76f988da831153b5',
'0x983e5152ee66dfab', '0xa831c66d2db43210', '0xb00327c898fb213f', '0xbf597fc7beef0ee4',
'0xc6e00bf33da88fc2', '0xd5a79147930aa725', '0x06ca6351e003826f', '0x142929670a0e6e70',
'0x27b70a8546d22ffc', '0x2e1b21385c26c926', '0x4d2c6dfc5ac42aed', '0x53380d139d95b3df',
'0x650a73548baf63de', '0x766a0abb3c77b2a8', '0x81c2c92e47edaee6', '0x92722c851482353b',
'0xa2bfe8a14cf10364', '0xa81a664bbc423001', '0xc24b8b70d0f89791', '0xc76c51a30654be30',
'0xd192e819d6ef5218', '0xd69906245565a910', '0xf40e35855771202a', '0x106aa07032bbd1b8',
'0x19a4c116b8d2d0c8', '0x1e376c085141ab53', '0x2748774cdf8eeb99', '0x34b0bcb5e19b48a8',
'0x391c0cb3c5c95a63', '0x4ed8aa4ae3418acb', '0x5b9cca4f7763e373', '0x682e6ff3d6b2b8a3',
'0x748f82ee5defb2fc', '0x78a5636f43172f60', '0x84c87814a1f0ab72', '0x8cc702081a6439ec',
'0x90befffa23631e28', '0xa4506cebde82bde9', '0xbef9a3f7b2c67915', '0xc67178f2e372532b',
'0xca273eceea26619c', '0xd186b8c721c0c207', '0xeada7dd6cde0eb1e', '0xf57d4f7fee6ed178',
'0x06f067aa72176fba', '0x0a637dc5a2c898a6', '0x113f9804bef90dae', '0x1b710b35131c471b',
'0x28db77f523047d84', '0x32caab7b40c72493', '0x3c9ebe0a15c9bebc', '0x431d67c49c100d4c',
'0x4cc5d4becb3e42b6', '0x597f299cfc657e2a', '0x5fcb6fab3ad6faec', '0x6c44198c4a475817'
].map(n => BigInt(n))))();
const SHA512_Kh = /* @__PURE__ */ (() => K512[0])();
const SHA512_Kl = /* @__PURE__ */ (() => K512[1])();
// Reusable temporary buffers
const SHA512_W_H = /* @__PURE__ */ new Uint32Array(80);
const SHA512_W_L = /* @__PURE__ */ new Uint32Array(80);
class SHA512 extends HashMD {
constructor(outputLen = 64) {
super(128, outputLen, 16, false);
// We cannot use array here since array allows indexing by variable
// which means optimizer/compiler cannot use registers.
// h -- high 32 bits, l -- low 32 bits
this.Ah = SHA512_IV[0] | 0;
this.Al = SHA512_IV[1] | 0;
this.Bh = SHA512_IV[2] | 0;
this.Bl = SHA512_IV[3] | 0;
this.Ch = SHA512_IV[4] | 0;
this.Cl = SHA512_IV[5] | 0;
this.Dh = SHA512_IV[6] | 0;
this.Dl = SHA512_IV[7] | 0;
this.Eh = SHA512_IV[8] | 0;
this.El = SHA512_IV[9] | 0;
this.Fh = SHA512_IV[10] | 0;
this.Fl = SHA512_IV[11] | 0;
this.Gh = SHA512_IV[12] | 0;
this.Gl = SHA512_IV[13] | 0;
this.Hh = SHA512_IV[14] | 0;
this.Hl = SHA512_IV[15] | 0;
}
// prettier-ignore
get() {
const { Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl } = this;
return [Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl];
}
// prettier-ignore
set(Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl) {
this.Ah = Ah | 0;
this.Al = Al | 0;
this.Bh = Bh | 0;
this.Bl = Bl | 0;
this.Ch = Ch | 0;
this.Cl = Cl | 0;
this.Dh = Dh | 0;
this.Dl = Dl | 0;
this.Eh = Eh | 0;
this.El = El | 0;
this.Fh = Fh | 0;
this.Fl = Fl | 0;
this.Gh = Gh | 0;
this.Gl = Gl | 0;
this.Hh = Hh | 0;
this.Hl = Hl | 0;
}
process(view, offset) {
// Extend the first 16 words into the remaining 64 words w[16..79] of the message schedule array
for (let i = 0; i < 16; i++, offset += 4) {
SHA512_W_H[i] = view.getUint32(offset);
SHA512_W_L[i] = view.getUint32((offset += 4));
}
for (let i = 16; i < 80; i++) {
// s0 := (w[i-15] rightrotate 1) xor (w[i-15] rightrotate 8) xor (w[i-15] rightshift 7)
const W15h = SHA512_W_H[i - 15] | 0;
const W15l = SHA512_W_L[i - 15] | 0;
const s0h = rotrSH(W15h, W15l, 1) ^ rotrSH(W15h, W15l, 8) ^ shrSH(W15h, W15l, 7);
const s0l = rotrSL(W15h, W15l, 1) ^ rotrSL(W15h, W15l, 8) ^ shrSL(W15h, W15l, 7);
// s1 := (w[i-2] rightrotate 19) xor (w[i-2] rightrotate 61) xor (w[i-2] rightshift 6)
const W2h = SHA512_W_H[i - 2] | 0;
const W2l = SHA512_W_L[i - 2] | 0;
const s1h = rotrSH(W2h, W2l, 19) ^ rotrBH(W2h, W2l, 61) ^ shrSH(W2h, W2l, 6);
const s1l = rotrSL(W2h, W2l, 19) ^ rotrBL(W2h, W2l, 61) ^ shrSL(W2h, W2l, 6);
// SHA256_W[i] = s0 + s1 + SHA256_W[i - 7] + SHA256_W[i - 16];
const SUMl = add4L(s0l, s1l, SHA512_W_L[i - 7], SHA512_W_L[i - 16]);
const SUMh = add4H(SUMl, s0h, s1h, SHA512_W_H[i - 7], SHA512_W_H[i - 16]);
SHA512_W_H[i] = SUMh | 0;
SHA512_W_L[i] = SUMl | 0;
}
let { Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl } = this;
// Compression function main loop, 80 rounds
for (let i = 0; i < 80; i++) {
// S1 := (e rightrotate 14) xor (e rightrotate 18) xor (e rightrotate 41)
const sigma1h = rotrSH(Eh, El, 14) ^ rotrSH(Eh, El, 18) ^ rotrBH(Eh, El, 41);
const sigma1l = rotrSL(Eh, El, 14) ^ rotrSL(Eh, El, 18) ^ rotrBL(Eh, El, 41);
//const T1 = (H + sigma1 + Chi(E, F, G) + SHA256_K[i] + SHA256_W[i]) | 0;
const CHIh = (Eh & Fh) ^ (~Eh & Gh);
const CHIl = (El & Fl) ^ (~El & Gl);
// T1 = H + sigma1 + Chi(E, F, G) + SHA512_K[i] + SHA512_W[i]
// prettier-ignore
const T1ll = add5L(Hl, sigma1l, CHIl, SHA512_Kl[i], SHA512_W_L[i]);
const T1h = add5H(T1ll, Hh, sigma1h, CHIh, SHA512_Kh[i], SHA512_W_H[i]);
const T1l = T1ll | 0;
// S0 := (a rightrotate 28) xor (a rightrotate 34) xor (a rightrotate 39)
const sigma0h = rotrSH(Ah, Al, 28) ^ rotrBH(Ah, Al, 34) ^ rotrBH(Ah, Al, 39);
const sigma0l = rotrSL(Ah, Al, 28) ^ rotrBL(Ah, Al, 34) ^ rotrBL(Ah, Al, 39);
const MAJh = (Ah & Bh) ^ (Ah & Ch) ^ (Bh & Ch);
const MAJl = (Al & Bl) ^ (Al & Cl) ^ (Bl & Cl);
Hh = Gh | 0;
Hl = Gl | 0;
Gh = Fh | 0;
Gl = Fl | 0;
Fh = Eh | 0;
Fl = El | 0;
({ h: Eh, l: El } = add(Dh | 0, Dl | 0, T1h | 0, T1l | 0));
Dh = Ch | 0;
Dl = Cl | 0;
Ch = Bh | 0;
Cl = Bl | 0;
Bh = Ah | 0;
Bl = Al | 0;
const All = add3L(T1l, sigma0l, MAJl);
Ah = add3H(All, T1h, sigma0h, MAJh);
Al = All | 0;
}
// Add the compressed chunk to the current hash value
({ h: Ah, l: Al } = add(this.Ah | 0, this.Al | 0, Ah | 0, Al | 0));
({ h: Bh, l: Bl } = add(this.Bh | 0, this.Bl | 0, Bh | 0, Bl | 0));
({ h: Ch, l: Cl } = add(this.Ch | 0, this.Cl | 0, Ch | 0, Cl | 0));
({ h: Dh, l: Dl } = add(this.Dh | 0, this.Dl | 0, Dh | 0, Dl | 0));
({ h: Eh, l: El } = add(this.Eh | 0, this.El | 0, Eh | 0, El | 0));
({ h: Fh, l: Fl } = add(this.Fh | 0, this.Fl | 0, Fh | 0, Fl | 0));
({ h: Gh, l: Gl } = add(this.Gh | 0, this.Gl | 0, Gh | 0, Gl | 0));
({ h: Hh, l: Hl } = add(this.Hh | 0, this.Hl | 0, Hh | 0, Hl | 0));
this.set(Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl);
}
roundClean() {
clean(SHA512_W_H, SHA512_W_L);
}
destroy() {
clean(this.buffer);
this.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
}
}
class SHA384 extends SHA512 {
constructor() {
super(48);
this.Ah = SHA384_IV[0] | 0;
this.Al = SHA384_IV[1] | 0;
this.Bh = SHA384_IV[2] | 0;
this.Bl = SHA384_IV[3] | 0;
this.Ch = SHA384_IV[4] | 0;
this.Cl = SHA384_IV[5] | 0;
this.Dh = SHA384_IV[6] | 0;
this.Dl = SHA384_IV[7] | 0;
this.Eh = SHA384_IV[8] | 0;
this.El = SHA384_IV[9] | 0;
this.Fh = SHA384_IV[10] | 0;
this.Fl = SHA384_IV[11] | 0;
this.Gh = SHA384_IV[12] | 0;
this.Gl = SHA384_IV[13] | 0;
this.Hh = SHA384_IV[14] | 0;
this.Hl = SHA384_IV[15] | 0;
}
}
/**
* SHA2-256 hash function from RFC 4634.
*
* It is the fastest JS hash, even faster than Blake3.
* To break sha256 using birthday attack, attackers need to try 2^128 hashes.
* BTC network is doing 2^70 hashes/sec (2^95 hashes/year) as per 2025.
*/
const sha256$1 = /* @__PURE__ */ createHasher(() => new SHA256());
/** SHA2-224 hash function from RFC 4634 */
const sha224$1 = /* @__PURE__ */ createHasher(() => new SHA224());
/** SHA2-512 hash function from RFC 4634. */
const sha512$1 = /* @__PURE__ */ createHasher(() => new SHA512());
/** SHA2-384 hash function from RFC 4634. */
const sha384$1 = /* @__PURE__ */ createHasher(() => new SHA384());
/**
* SHA3 (keccak) hash function, based on a new "Sponge function" design.
* Different from older hashes, the internal state is bigger than output size.
*
* Check out [FIPS-202](https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf),
* [Website](https://keccak.team/keccak.html),
* [the differences between SHA-3 and Keccak](https://crypto.stackexchange.com/questions/15727/what-are-the-key-differences-between-the-draft-sha-3-standard-and-the-keccak-sub).
*
* Check out `sha3-addons` module for cSHAKE, k12, and others.
* @module
*/
// No __PURE__ annotations in sha3 header:
// EVERYTHING is in fact used on every export.
// Various per round constants calculations
const _0n = BigInt(0);
const _1n = BigInt(1);
const _2n = BigInt(2);
const _7n = BigInt(7);
const _256n = BigInt(256);
const _0x71n = BigInt(0x71);
const SHA3_PI = [];
const SHA3_ROTL = [];
const _SHA3_IOTA = [];
for (let round = 0, R = _1n, x = 1, y = 0; round < 24; round++) {
// Pi
[x, y] = [y, (2 * x + 3 * y) % 5];
SHA3_PI.push(2 * (5 * y + x));
// Rotational
SHA3_ROTL.push((((round + 1) * (round + 2)) / 2) % 64);
// Iota
let t = _0n;
for (let j = 0; j < 7; j++) {
R = ((R << _1n) ^ ((R >> _7n) * _0x71n)) % _256n;
if (R & _2n)
t ^= _1n << ((_1n << /* @__PURE__ */ BigInt(j)) - _1n);
}
_SHA3_IOTA.push(t);
}
const IOTAS = split(_SHA3_IOTA, true);
const SHA3_IOTA_H = IOTAS[0];
const SHA3_IOTA_L = IOTAS[1];
// Left rotation (without 0, 32, 64)
const rotlH = (h, l, s) => (s > 32 ? rotlBH(h, l, s) : rotlSH(h, l, s));
const rotlL = (h, l, s) => (s > 32 ? rotlBL(h, l, s) : rotlSL(h, l, s));
/** `keccakf1600` internal function, additionally allows to adjust round count. */
function keccakP(s, rounds = 24) {
const B = new Uint32Array(5 * 2);
// NOTE: all indices are x2 since we store state as u32 instead of u64 (bigints to slow in js)
for (let round = 24 - rounds; round < 24; round++) {
// Theta θ
for (let x = 0; x < 10; x++)
B[x] = s[x] ^ s[x + 10] ^ s[x + 20] ^ s[x + 30] ^ s[x + 40];
for (let x = 0; x < 10; x += 2) {
const idx1 = (x + 8) % 10;
const idx0 = (x + 2) % 10;
const B0 = B[idx0];
const B1 = B[idx0 + 1];
const Th = rotlH(B0, B1, 1) ^ B[idx1];
const Tl = rotlL(B0, B1, 1) ^ B[idx1 + 1];
for (let y = 0; y < 50; y += 10) {
s[x + y] ^= Th;
s[x + y + 1] ^= Tl;
}
}
// Rho (ρ) and Pi (π)
let curH = s[2];
let curL = s[3];
for (let t = 0; t < 24; t++) {
const shift = SHA3_ROTL[t];
const Th = rotlH(curH, curL, shift);
const Tl = rotlL(curH, curL, shift);
const PI = SHA3_PI[t];
curH = s[PI];
curL = s[PI + 1];
s[PI] = Th;
s[PI + 1] = Tl;
}
// Chi (χ)
for (let y = 0; y < 50; y += 10) {
for (let x = 0; x < 10; x++)
B[x] = s[y + x];
for (let x = 0; x < 10; x++)
s[y + x] ^= ~B[(x + 2) % 10] & B[(x + 4) % 10];
}
// Iota (ι)
s[0] ^= SHA3_IOTA_H[round];
s[1] ^= SHA3_IOTA_L[round];
}
clean(B);
}
/** Keccak sponge function. */
class Keccak extends Hash {
// NOTE: we accept arguments in bytes instead of bits here.
constructor(blockLen, suffix, outputLen, enableXOF = false, rounds = 24) {
super();
this.pos = 0;
this.posOut = 0;
this.finished = false;
this.destroyed = false;
this.enableXOF = false;
this.blockLen = blockLen;
this.suffix = suffix;
this.outputLen = outputLen;
this.enableXOF = enableXOF;
this.rounds = rounds;
// Can be passed from user as dkLen
anumber(outputLen);
// 1600 = 5x5 matrix of 64bit. 1600 bits === 200 bytes
// 0 < blockLen < 200
if (!(0 < blockLen && blockLen < 200))
throw new Error('only keccak-f1600 function is supported');
this.state = new Uint8Array(200);
this.state32 = u32(this.state);
}
clone() {
return this._cloneInto();
}
keccak() {
swap32IfBE(this.state32);
keccakP(this.state32, this.rounds);
swap32IfBE(this.state32);
this.posOut = 0;
this.pos = 0;
}
update(data) {
aexists(this);
data = toBytes(data);
abytes(data);
const { blockLen, state } = this;
const len = data.length;
for (let pos = 0; pos < len;) {
const take = Math.min(blockLen - this.pos, len - pos);
for (let i = 0; i < take; i++)
state[this.pos++] ^= data[pos++];
if (this.pos === blockLen)
this.keccak();
}
return this;
}
finish() {
if (this.finished)
return;
this.finished = true;
const { state, suffix, pos, blockLen } = this;
// Do the padding
state[pos] ^= suffix;
if ((suffix & 0x80) !== 0 && pos === blockLen - 1)
this.keccak();
state[blockLen - 1] ^= 0x80;
this.keccak();
}
writeInto(out) {
aexists(this, false);
abytes(out);
this.finish();
const bufferOut = this.state;
const { blockLen } = this;
for (let pos = 0, len = out.length; pos < len;) {
if (this.posOut >= blockLen)
this.keccak();
const take = Math.min(blockLen - this.posOut, len - pos);
out.set(bufferOut.subarray(this.posOut, this.posOut + take), pos);
this.posOut += take;
pos += take;
}
return out;
}
xofInto(out) {
// Sha3/Keccak usage with XOF is probably mistake, only SHAKE instances can do XOF
if (!this.enableXOF)
throw new Error('XOF is not possible for this instance');
return this.writeInto(out);
}
xof(bytes) {
anumber(bytes);
return this.xofInto(new Uint8Array(bytes));
}
digestInto(out) {
aoutput(out, this);
if (this.finished)
throw new Error('digest() was already called');
this.writeInto(out);
this.destroy();
return out;
}
digest() {
return this.digestInto(new Uint8Array(this.outputLen));
}
destroy() {
this.destroyed = true;
clean(this.state);
}
_cloneInto(to) {
const { blockLen, suffix, outputLen, rounds, enableXOF } = this;
to || (to = new Keccak(blockLen, suffix, outputLen, enableXOF, rounds));
to.state32.set(this.state32);
to.pos = this.pos;
to.posOut = this.posOut;
to.finished = this.finished;
to.rounds = rounds;
// Suffix can change in cSHAKE
to.suffix = suffix;
to.outputLen = outputLen;
to.enableXOF = enableXOF;
to.destroyed = this.destroyed;
return to;
}
}
const gen = (suffix, blockLen, outputLen) => createHasher(() => new Keccak(blockLen, suffix, outputLen));
/** SHA3-256 hash function. Different from keccak-256. */
const sha3_256 = /* @__PURE__ */ (() => gen(0x06, 136, 256 / 8))();
/** SHA3-512 hash function. */
const sha3_512 = /* @__PURE__ */ (() => gen(0x06, 72, 512 / 8))();
const genShake = (suffix, blockLen, outputLen) => createXOFer((opts = {}) => new Keccak(blockLen, suffix, opts.dkLen === undefined ? outputLen : opts.dkLen, true));
/** SHAKE256 XOF with 256-bit security. */
const shake256 = /* @__PURE__ */ (() => genShake(0x1f, 136, 256 / 8))();
/**
* SHA2-256 a.k.a. sha256. In JS, it is the fastest hash, even faster than Blake3.
*
* To break sha256 using birthday attack, attackers need to try 2^128 hashes.
* BTC network is doing 2^70 hashes/sec (2^95 hashes/year) as per 2025.
*
* Check out [FIPS 180-4](https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf).
* @module
* @deprecated
*/
/** @deprecated Use import from `noble/hashes/sha2` module */
const sha256 = sha256$1;
/** @deprecated Use import from `noble/hashes/sha2` module */
const sha224 = sha224$1;
/**
* SHA2-512 a.k.a. sha512 and sha384. It is slower than sha256 in js because u64 operations are slow.
*
* Check out [RFC 4634](https://datatracker.ietf.org/doc/html/rfc4634) and
* [the paper on truncated SHA512/256](https://eprint.iacr.org/2010/548.pdf).
* @module
* @deprecated
*/
/** @deprecated Use import from `noble/hashes/sha2` module */
const sha512 = sha512$1;
/** @deprecated Use import from `noble/hashes/sha2` module */
const sha384 = sha384$1;
export { Chi as C, Hash as H, Maj as M, abytes as a, bytesToHex as b, concatBytes as c, anumber as d, ahash as e, clean as f, aexists as g, hexToBytes as h, isBytes as i, sha384$1 as j, sha512$1 as k, createHasher as l, shake256 as m, sha256 as n, sha384 as o, sha512 as p, HashMD as q, randomBytes as r, sha256$1 as s, toBytes as t, rotl as u, sha3_512 as v, wrapConstructor as w, sha3_256 as x, sha224 as y };