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

Просмотр файла: pbkdf2.cjs

"use strict";

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

var _hmac = require("./hmac.cjs");

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

var _util = _interopRequireDefault(require("util"));

var _crypto = _interopRequireDefault(require("crypto"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

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; }

/**
 * @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;

  const pbkdf2 = _util.default.promisify(_crypto.default.pbkdf2);

  switch (algorithm) {
    case _hmac.HashAlgorithm.Sha256:
      return pbkdf2(pass, nacl, iterations, length, "sha256");

    case _hmac.HashAlgorithm.Sha384:
      return pbkdf2(pass, nacl, iterations, length, "sha384");

    case _hmac.HashAlgorithm.Sha512:
      return pbkdf2(pass, nacl, iterations, length, "sha512");

    default:
      throw new Error("(BUG) Non-Exhaustive switch statement for algorithms");
  }
}

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