@okxweb3/coin-bitcoin/dist/bitcoinjs-lib/crypto.js

@okxweb3/coin-bitcoin is a Bitcoin SDK for building Web3 wallets and applications. It supports BTC, BSV, DOGE, LTC, and TBTC, enabling private key management, transaction signing, address generation, and inscriptions like BRC-20, Runes, CAT, and Atomicals

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.taggedHash = exports.hash256 = exports.hash160 = exports.sha256 = exports.ripemd160 = void 0;
const crypto_lib_1 = require("@okxweb3/crypto-lib");
function ripemd160(buffer) {
    return Buffer.from(crypto_lib_1.base.ripemd160(buffer));
}
exports.ripemd160 = ripemd160;
function sha256(buffer) {
    return Buffer.from(crypto_lib_1.base.sha256(buffer));
}
exports.sha256 = sha256;
function hash160(buffer) {
    return ripemd160(sha256(buffer));
}
exports.hash160 = hash160;
function hash256(buffer) {
    return sha256(sha256(buffer));
}
exports.hash256 = hash256;
const TAGS = [
    'BIP0340/challenge',
    'BIP0340/aux',
    'BIP0340/nonce',
    'TapLeaf',
    'TapBranch',
    'TapSighash',
    'TapTweak',
    'KeyAgg list',
    'KeyAgg coefficient',
];
const TAGGED_HASH_PREFIXES = Object.fromEntries(TAGS.map(tag => {
    const tagHash = sha256(Buffer.from(tag));
    return [tag, Buffer.concat([tagHash, tagHash])];
}));
function taggedHash(prefix, data) {
    return sha256(Buffer.concat([TAGGED_HASH_PREFIXES[prefix], data]));
}
exports.taggedHash = taggedHash;
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