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Текущая директория: /opt/BitGoJS/node_modules/@hashgraph/cryptography/lib/primitive

Просмотр файла: pbkdf2.browser.cjs

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.deriveKey = deriveKey;

var utf8 = _interopRequireWildcard(require("../encoding/utf8.cjs"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

/**
 * @typedef {import("./hmac.js").HashAlgorithm} HashAlgorithm
 */

/**
 * @param {HashAlgorithm} algorithm
 * @param {Uint8Array | string} password
 * @param {Uint8Array | string} salt
 * @param {number} iterations
 * @param {number} length
 * @returns {Promise<Uint8Array>}
 */
async function deriveKey(algorithm, password, salt, iterations, length) {
  const pass = typeof password === "string" ? // Valid ASCII is also valid UTF-8 so encoding the password as UTF-8
  // should be fine if only valid ASCII characters are used in the password
  utf8.encode(password) : password;
  const nacl = typeof salt === "string" ? utf8.encode(salt) : salt;

  try {
    const key = await window.crypto.subtle.importKey("raw", pass, {
      name: "PBKDF2",
      hash: algorithm
    }, false, ["deriveBits"]);
    return new Uint8Array(await window.crypto.subtle.deriveBits({
      name: "PBKDF2",
      hash: algorithm,
      salt: nacl,
      iterations
    }, key, length << 3));
  } catch {
    throw new Error("(BUG) Non-Exhaustive switch statement for algorithms");
  }
}

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