80 lines
3.3 KiB
JavaScript
80 lines
3.3 KiB
JavaScript
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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
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result["default"] = mod;
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var aes_js_1 = __importDefault(require("aes-js"));
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var address_1 = require("@ethersproject/address");
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var bytes_1 = require("@ethersproject/bytes");
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var errors = __importStar(require("@ethersproject/errors"));
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var keccak256_1 = require("@ethersproject/keccak256");
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var pbkdf2_1 = require("@ethersproject/pbkdf2");
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var strings_1 = require("@ethersproject/strings");
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var properties_1 = require("@ethersproject/properties");
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var utils_1 = require("./utils");
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var CrowdsaleAccount = /** @class */ (function (_super) {
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__extends(CrowdsaleAccount, _super);
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function CrowdsaleAccount() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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CrowdsaleAccount.prototype.isType = function (value) {
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return properties_1.Description.isType(value);
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};
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return CrowdsaleAccount;
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}(properties_1.Description));
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exports.CrowdsaleAccount = CrowdsaleAccount;
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// See: https://github.com/ethereum/pyethsaletool
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function decrypt(json, password) {
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var data = JSON.parse(json);
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password = utils_1.getPassword(password);
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// Ethereum Address
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var ethaddr = address_1.getAddress(utils_1.searchPath(data, "ethaddr"));
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// Encrypted Seed
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var encseed = utils_1.looseArrayify(utils_1.searchPath(data, "encseed"));
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if (!encseed || (encseed.length % 16) !== 0) {
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errors.throwError("invalid encseed", errors.INVALID_ARGUMENT, {
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argument: "json",
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value: json
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});
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}
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var key = bytes_1.arrayify(pbkdf2_1.pbkdf2(password, password, 2000, 32, "sha256")).slice(0, 16);
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var iv = encseed.slice(0, 16);
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var encryptedSeed = encseed.slice(16);
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// Decrypt the seed
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var aesCbc = new aes_js_1.default.ModeOfOperation.cbc(key, iv);
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var seed = bytes_1.arrayify(aesCbc.decrypt(encryptedSeed));
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seed = aes_js_1.default.padding.pkcs7.strip(seed);
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// This wallet format is weird... Convert the binary encoded hex to a string.
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var seedHex = "";
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for (var i = 0; i < seed.length; i++) {
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seedHex += String.fromCharCode(seed[i]);
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}
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var seedHexBytes = strings_1.toUtf8Bytes(seedHex);
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var privateKey = keccak256_1.keccak256(seedHexBytes);
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return new CrowdsaleAccount({
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address: ethaddr,
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privateKey: privateKey
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});
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}
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exports.decrypt = decrypt;
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