bitcoinjs-lib/src/crypto.js

Client-side Bitcoin JavaScript library

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
exports.taggedHash =
  exports.TAGGED_HASH_PREFIXES =
  exports.TAGS =
  exports.hash256 =
  exports.hash160 =
  exports.sha256 =
  exports.sha1 =
  exports.ripemd160 =
    void 0;
/**
 * A module for hashing functions.
 * include ripemd160、sha1、sha256、hash160、hash256、taggedHash
 *
 * @packageDocumentation
 */
const ripemd160_1 = require('@noble/hashes/ripemd160');
const sha1_1 = require('@noble/hashes/sha1');
const sha256_1 = require('@noble/hashes/sha256');
function ripemd160(buffer) {
  return Buffer.from((0, ripemd160_1.ripemd160)(Uint8Array.from(buffer)));
}
exports.ripemd160 = ripemd160;
function sha1(buffer) {
  return Buffer.from((0, sha1_1.sha1)(Uint8Array.from(buffer)));
}
exports.sha1 = sha1;
function sha256(buffer) {
  return Buffer.from((0, sha256_1.sha256)(Uint8Array.from(buffer)));
}
exports.sha256 = sha256;
function hash160(buffer) {
  return Buffer.from(
    (0, ripemd160_1.ripemd160)((0, sha256_1.sha256)(Uint8Array.from(buffer))),
  );
}
exports.hash160 = hash160;
function hash256(buffer) {
  return Buffer.from(
    (0, sha256_1.sha256)((0, sha256_1.sha256)(Uint8Array.from(buffer))),
  );
}
exports.hash256 = hash256;
exports.TAGS = [
  'BIP0340/challenge',
  'BIP0340/aux',
  'BIP0340/nonce',
  'TapLeaf',
  'TapBranch',
  'TapSighash',
  'TapTweak',
  'KeyAgg list',
  'KeyAgg coefficient',
];
/** An object mapping tags to their tagged hash prefix of [SHA256(tag) | SHA256(tag)] */
/**
 * Defines the tagged hash prefixes used in the crypto module.
 */
exports.TAGGED_HASH_PREFIXES = {
  'BIP0340/challenge': Buffer.from([
    123, 181, 45, 122, 159, 239, 88, 50, 62, 177, 191, 122, 64, 125, 179, 130,
    210, 243, 242, 216, 27, 177, 34, 79, 73, 254, 81, 143, 109, 72, 211, 124,
    123, 181, 45, 122, 159, 239, 88, 50, 62, 177, 191, 122, 64, 125, 179, 130,
    210, 243, 242, 216, 27, 177, 34, 79, 73, 254, 81, 143, 109, 72, 211, 124,
  ]),
  'BIP0340/aux': Buffer.from([
    241, 239, 78, 94, 192, 99, 202, 218, 109, 148, 202, 250, 157, 152, 126, 160,
    105, 38, 88, 57, 236, 193, 31, 151, 45, 119, 165, 46, 216, 193, 204, 144,
    241, 239, 78, 94, 192, 99, 202, 218, 109, 148, 202, 250, 157, 152, 126, 160,
    105, 38, 88, 57, 236, 193, 31, 151, 45, 119, 165, 46, 216, 193, 204, 144,
  ]),
  'BIP0340/nonce': Buffer.from([
    7, 73, 119, 52, 167, 155, 203, 53, 91, 155, 140, 125, 3, 79, 18, 28, 244,
    52, 215, 62, 247, 45, 218, 25, 135, 0, 97, 251, 82, 191, 235, 47, 7, 73,
    119, 52, 167, 155, 203, 53, 91, 155, 140, 125, 3, 79, 18, 28, 244, 52, 215,
    62, 247, 45, 218, 25, 135, 0, 97, 251, 82, 191, 235, 47,
  ]),
  TapLeaf: Buffer.from([
    174, 234, 143, 220, 66, 8, 152, 49, 5, 115, 75, 88, 8, 29, 30, 38, 56, 211,
    95, 28, 181, 64, 8, 212, 211, 87, 202, 3, 190, 120, 233, 238, 174, 234, 143,
    220, 66, 8, 152, 49, 5, 115, 75, 88, 8, 29, 30, 38, 56, 211, 95, 28, 181,
    64, 8, 212, 211, 87, 202, 3, 190, 120, 233, 238,
  ]),
  TapBranch: Buffer.from([
    25, 65, 161, 242, 229, 110, 185, 95, 162, 169, 241, 148, 190, 92, 1, 247,
    33, 111, 51, 237, 130, 176, 145, 70, 52, 144, 208, 91, 245, 22, 160, 21, 25,
    65, 161, 242, 229, 110, 185, 95, 162, 169, 241, 148, 190, 92, 1, 247, 33,
    111, 51, 237, 130, 176, 145, 70, 52, 144, 208, 91, 245, 22, 160, 21,
  ]),
  TapSighash: Buffer.from([
    244, 10, 72, 223, 75, 42, 112, 200, 180, 146, 75, 242, 101, 70, 97, 237, 61,
    149, 253, 102, 163, 19, 235, 135, 35, 117, 151, 198, 40, 228, 160, 49, 244,
    10, 72, 223, 75, 42, 112, 200, 180, 146, 75, 242, 101, 70, 97, 237, 61, 149,
    253, 102, 163, 19, 235, 135, 35, 117, 151, 198, 40, 228, 160, 49,
  ]),
  TapTweak: Buffer.from([
    232, 15, 225, 99, 156, 156, 160, 80, 227, 175, 27, 57, 193, 67, 198, 62, 66,
    156, 188, 235, 21, 217, 64, 251, 181, 197, 161, 244, 175, 87, 197, 233, 232,
    15, 225, 99, 156, 156, 160, 80, 227, 175, 27, 57, 193, 67, 198, 62, 66, 156,
    188, 235, 21, 217, 64, 251, 181, 197, 161, 244, 175, 87, 197, 233,
  ]),
  'KeyAgg list': Buffer.from([
    72, 28, 151, 28, 60, 11, 70, 215, 240, 178, 117, 174, 89, 141, 78, 44, 126,
    215, 49, 156, 89, 74, 92, 110, 199, 158, 160, 212, 153, 2, 148, 240, 72, 28,
    151, 28, 60, 11, 70, 215, 240, 178, 117, 174, 89, 141, 78, 44, 126, 215, 49,
    156, 89, 74, 92, 110, 199, 158, 160, 212, 153, 2, 148, 240,
  ]),
  'KeyAgg coefficient': Buffer.from([
    191, 201, 4, 3, 77, 28, 136, 232, 200, 14, 34, 229, 61, 36, 86, 109, 100,
    130, 78, 214, 66, 114, 129, 192, 145, 0, 249, 77, 205, 82, 201, 129, 191,
    201, 4, 3, 77, 28, 136, 232, 200, 14, 34, 229, 61, 36, 86, 109, 100, 130,
    78, 214, 66, 114, 129, 192, 145, 0, 249, 77, 205, 82, 201, 129,
  ]),
};
function taggedHash(prefix, data) {
  return sha256(Buffer.concat([exports.TAGGED_HASH_PREFIXES[prefix], data]));
}
exports.taggedHash = taggedHash;