109 lines
4.6 KiB
JavaScript
109 lines
4.6 KiB
JavaScript
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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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 (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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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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Object.defineProperty(exports, "__esModule", { value: true });
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const assert_1 = __importDefault(require("assert"));
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const fs_1 = __importDefault(require("fs"));
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const path_1 = require("path");
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const aes = __importStar(require("./index.js"));
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const root = (function () {
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let root = process.cwd();
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while (true) {
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if (fs_1.default.existsSync((0, path_1.join)(root, "package.json"))) {
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return root;
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}
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const parent = (0, path_1.join)(root, "..");
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if (parent === root) {
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break;
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}
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root = parent;
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}
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throw new Error("could not find root");
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})();
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describe("Tests Encrypting and Decrypting", function () {
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const json = fs_1.default.readFileSync((0, path_1.resolve)(root, "./test/test-vectors.json")).toString();
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const tests = JSON.parse(json);
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function getCrypter(key, test) {
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switch (test.modeOfOperation) {
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case "ctr":
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return new aes.CTR(key, 0);
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case "cbc":
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return new aes.CBC(key, Buffer.from(test.iv));
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case "cfb":
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return new aes.CFB(key, Buffer.from(test.iv), test.segmentSize * 8);
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case "ecb":
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return new aes.ECB(key);
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case "ofb":
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return new aes.OFB(key, Buffer.from(test.iv));
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}
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return null;
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}
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tests.forEach((test, index) => {
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it(`tests encrypting: ${test.modeOfOperation}.${index}`, function () {
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const encrypter = getCrypter(Buffer.from(test.key), test);
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if (!encrypter) {
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this.skip();
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}
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for (let i = 0; i < test.plaintext.length; i++) {
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const plaintext = Buffer.from(test.plaintext[i]);
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const ciphertext = Buffer.from(test.encrypted[i]);
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const result = Buffer.from(encrypter.encrypt(plaintext));
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assert_1.default.ok(ciphertext.equals(result), "encrypting failed");
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}
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});
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it(`tests decrypting: ${test.modeOfOperation}.${index}`, function () {
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const decrypter = getCrypter(Buffer.from(test.key), test);
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if (!decrypter) {
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this.skip();
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}
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for (let i = 0; i < test.plaintext.length; i++) {
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const plaintext = Buffer.from(test.plaintext[i]);
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const ciphertext = Buffer.from(test.encrypted[i]);
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const result = Buffer.from(decrypter.decrypt(ciphertext));
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assert_1.default.ok(plaintext.equals(result), "decrypting failed");
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}
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});
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});
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});
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describe("Tests Padding", function () {
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for (let size = 0; size < 100; size++) {
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it(`tests padding: length=${size}`, function () {
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// Create a random piece of data
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const data = new Uint8Array(size);
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data.fill(42);
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// Pad it
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const padded = aes.pkcs7Pad(data);
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assert_1.default.ok((padded.length % 16) === 0, "Failed to pad to block size");
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assert_1.default.ok(data.length <= padded.length && padded.length <= data.length + 16, "Padding went awry");
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assert_1.default.ok(padded[padded.length - 1] >= 1 && padded[padded.length - 1] <= 16, "Failed to pad to block size");
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// Trim it
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const trimmed = aes.pkcs7Strip(padded);
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assert_1.default.ok(Buffer.from(data).equals(trimmed), "Failed to trim to original data");
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});
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}
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});
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//# sourceMappingURL=tests.js.map
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