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@meeco/cryppo

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In-browser encryption and decryption. Clone of Ruby Cryppo

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"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (_) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; Object.defineProperty(exports, "__esModule", { value: true }); exports.decryptWithPrivateKey = exports.decryptSerializedWithPrivateKey = exports.encryptWithPublicKey = exports.encryptPrivateKeyWithPassword = exports.generateRSAKeyPair = void 0; var node_forge_1 = require("node-forge"); var serialization_versions_1 = require("../serialization-versions"); var util_1 = require("../util"); function generateRSAKeyPair(bits) { if (bits === void 0) { bits = 4096; } return new Promise(function (resolve, reject) { // -1 workers to estimate number of cores available // https://github.com/digitalbazaar/forge#rsa node_forge_1.pki.rsa.generateKeyPair({ bits: bits, workers: 0 }, function (err, keyPair) { if (err) { return reject(err); } resolve({ privateKey: node_forge_1.pki.privateKeyToPem(keyPair.privateKey), publicKey: node_forge_1.pki.publicKeyToPem(keyPair.publicKey), bits: bits, }); }); }); } exports.generateRSAKeyPair = generateRSAKeyPair; function encryptPrivateKeyWithPassword(_a) { var privateKeyPem = _a.privateKeyPem, password = _a.password; var publicKey = node_forge_1.pki.privateKeyFromPem(privateKeyPem); return node_forge_1.pki.encryptRsaPrivateKey(publicKey, password); } exports.encryptPrivateKeyWithPassword = encryptPrivateKeyWithPassword; function encryptWithPublicKey(_a, serializationFormat) { var publicKeyPem = _a.publicKeyPem, data = _a.data, _b = _a.scheme, scheme = _b === void 0 ? 'RSA-OAEP' : _b; if (serializationFormat === void 0) { serializationFormat = serialization_versions_1.SerializationFormat.latest_version; } return __awaiter(this, void 0, void 0, function () { var pk, encrypted, bitLength, serialized; return __generator(this, function (_c) { pk = node_forge_1.pki.publicKeyFromPem(publicKeyPem); encrypted = pk.encrypt(data, scheme); bitLength = util_1.keyLengthFromPublicKeyPem(publicKeyPem); serialized = util_1.serialize("Rsa" + bitLength, encrypted, {}, serializationFormat); return [2 /*return*/, { encrypted: encrypted, serialized: serialized, }]; }); }); } exports.encryptWithPublicKey = encryptWithPublicKey; // compatiblity not tested with other cryppo // | 'RSAES-PKCS1-V1_5' // | 'RSA-OAEP' // | 'RAW' // | 'NONE' // | null // | undefined; function decryptSerializedWithPrivateKey(_a) { var password = _a.password, privateKeyPem = _a.privateKeyPem, serialized = _a.serialized, _b = _a.scheme, scheme = _b === void 0 ? 'RSA-OAEP' : _b; return __awaiter(this, void 0, void 0, function () { var encrypted; return __generator(this, function (_c) { encrypted = util_1.deSerialize(serialized).decodedPairs[0]; return [2 /*return*/, decryptWithPrivateKey({ password: password, privateKeyPem: privateKeyPem, encrypted: encrypted, scheme: scheme, })]; }); }); } exports.decryptSerializedWithPrivateKey = decryptSerializedWithPrivateKey; function decryptWithPrivateKey(_a) { var password = _a.password, privateKeyPem = _a.privateKeyPem, encrypted = _a.encrypted, _b = _a.scheme, scheme = _b === void 0 ? 'RSA-OAEP' : _b; return __awaiter(this, void 0, void 0, function () { var pk; return __generator(this, function (_c) { pk = node_forge_1.pki.decryptRsaPrivateKey(privateKeyPem, password); return [2 /*return*/, pk.decrypt(encrypted, scheme)]; }); }); } exports.decryptWithPrivateKey = decryptWithPrivateKey;