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

Просмотр файла: pem.cjs

"use strict";

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

var _BadKeyError = _interopRequireDefault(require("../BadKeyError.cjs"));

var _pkcs = require("../primitive/pkcs.cjs");

var der = _interopRequireWildcard(require("./der.cjs"));

var base64 = _interopRequireWildcard(require("./base64.cjs"));

var _Ed25519PrivateKey = _interopRequireDefault(require("../Ed25519PrivateKey.cjs"));

var _EcdsaPrivateKey = _interopRequireDefault(require("../EcdsaPrivateKey.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; }

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

const BEGIN_PRIVATEKEY = "-----BEGIN PRIVATE KEY-----\n";
const END_PRIVATEKEY = "-----END PRIVATE KEY-----\n";
const BEGIN_ENCRYPTED_PRIVATEKEY = "-----BEGIN ENCRYPTED PRIVATE KEY-----\n";
const END_ENCRYPTED_PRIVATEKEY = "-----END ENCRYPTED PRIVATE KEY-----\n";
/**
 * @param {string} pem
 * @param {string} [passphrase]
 * @returns {Promise<Ed25519PrivateKey | EcdsaPrivateKey | Uint8Array>}
 */

async function read(pem, passphrase) {
  const beginTag = passphrase ? BEGIN_ENCRYPTED_PRIVATEKEY : BEGIN_PRIVATEKEY;
  const endTag = passphrase ? END_ENCRYPTED_PRIVATEKEY : END_PRIVATEKEY;
  const beginIndex = pem.indexOf(beginTag);
  const endIndex = pem.indexOf(endTag);

  if (beginIndex === -1 || endIndex === -1) {
    throw new _BadKeyError.default("failed to find a private key in the PEM file");
  }

  const keyEncoded = pem.slice(beginIndex + beginTag.length, endIndex);
  const key = base64.decode(keyEncoded);

  if (passphrase) {
    let encrypted;

    try {
      encrypted = _pkcs.EncryptedPrivateKeyInfo.parse(key);
    } catch (error) {
      const message = // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
      error != null &&
      /** @type {Error} */
      error.message != null ? // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access

      /** @type {Error} */
      error.message : "";
      throw new _BadKeyError.default(`failed to parse encrypted private key: ${message}`);
    }

    const decrypted = await encrypted.decrypt(passphrase);
    let privateKey = null;

    if (decrypted.algId.algIdent === "1.3.101.112") {
      privateKey = _Ed25519PrivateKey.default;
    } else if (decrypted.algId.algIdent === "1.3.132.0.10") {
      privateKey = _EcdsaPrivateKey.default;
    } else {
      throw new _BadKeyError.default(`unknown private key algorithm ${decrypted.algId.toString()}`);
    }

    const keyData = der.decode(decrypted.privateKey);

    if (!("bytes" in keyData)) {
      throw new _BadKeyError.default(`expected ASN bytes, got ${JSON.stringify(keyData)}`);
    }

    return privateKey.fromBytes(keyData.bytes);
  }

  return key.subarray(16);
}

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