JavaScript 65.5%
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1"use strict";23Object.defineProperty(exports, "__esModule", {4 value: true5});6exports.AESECBCipher = exports.AESEAXCipher = void 0;7function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }8function _regeneratorRuntime() { "use strict"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return e; }; var t, e = {}, r = Object.prototype, n = r.hasOwnProperty, o = Object.defineProperty || function (t, e, r) { t[e] = r.value; }, i = "function" == typeof Symbol ? Symbol : {}, a = i.iterator || "@@iterator", c = i.asyncIterator || "@@asyncIterator", u = i.toStringTag || "@@toStringTag"; function define(t, e, r) { return Object.defineProperty(t, e, { value: r, enumerable: !0, configurable: !0, writable: !0 }), t[e]; } try { define({}, ""); } catch (t) { define = function define(t, e, r) { return t[e] = r; }; } function wrap(t, e, r, n) { var i = e && e.prototype instanceof Generator ? e : Generator, a = Object.create(i.prototype), c = new Context(n || []); return o(a, "_invoke", { value: makeInvokeMethod(t, r, c) }), a; } function tryCatch(t, e, r) { try { return { type: "normal", arg: t.call(e, r) }; } catch (t) { return { type: "throw", arg: t }; } } e.wrap = wrap; var h = "suspendedStart", l = "suspendedYield", f = "executing", s = "completed", y = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var p = {}; define(p, a, function () { return this; }); var d = Object.getPrototypeOf, v = d && d(d(values([]))); v && v !== r && n.call(v, a) && (p = v); var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p); function defineIteratorMethods(t) { ["next", "throw", "return"].forEach(function (e) { define(t, e, function (t) { return this._invoke(e, t); }); }); } function AsyncIterator(t, e) { function invoke(r, o, i, a) { var c = tryCatch(t[r], t, o); if ("throw" !== c.type) { var u = c.arg, h = u.value; return h && "object" == _typeof(h) && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) { invoke("next", t, i, a); }, function (t) { invoke("throw", t, i, a); }) : e.resolve(h).then(function (t) { u.value = t, i(u); }, function (t) { return invoke("throw", t, i, a); }); } a(c.arg); } var r; o(this, "_invoke", { value: function value(t, n) { function callInvokeWithMethodAndArg() { return new e(function (e, r) { invoke(t, n, e, r); }); } return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(e, r, n) { var o = h; return function (i, a) { if (o === f) throw Error("Generator is already running"); if (o === s) { if ("throw" === i) throw a; return { value: t, done: !0 }; } for (n.method = i, n.arg = a;;) { var c = n.delegate; if (c) { var u = maybeInvokeDelegate(c, n); if (u) { if (u === y) continue; return u; } } if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) { if (o === h) throw o = s, n.arg; n.dispatchException(n.arg); } else "return" === n.method && n.abrupt("return", n.arg); o = f; var p = tryCatch(e, r, n); if ("normal" === p.type) { if (o = n.done ? s : l, p.arg === y) continue; return { value: p.arg, done: n.done }; } "throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg); } }; } function maybeInvokeDelegate(e, r) { var n = r.method, o = e.iterator[n]; if (o === t) return r.delegate = null, "throw" === n && e.iterator["return"] && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y; var i = tryCatch(o, e.iterator, r.arg); if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y; var a = i.arg; return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y); } function pushTryEntry(t) { var e = { tryLoc: t[0] }; 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e); } function resetTryEntry(t) { var e = t.completion || {}; e.type = "normal", delete e.arg, t.completion = e; } function Context(t) { this.tryEntries = [{ tryLoc: "root" }], t.forEach(pushTryEntry, this), this.reset(!0); } function values(e) { if (e || "" === e) { var r = e[a]; if (r) return r.call(e); if ("function" == typeof e.next) return e; if (!isNaN(e.length)) { var o = -1, i = function next() { for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next; return next.value = t, next.done = !0, next; }; return i.next = i; } } throw new TypeError(_typeof(e) + " is not iterable"); } return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), o(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) { var e = "function" == typeof t && t.constructor; return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name)); }, e.mark = function (t) { return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = !1, next; } return next.done = !0, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = !0; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); } else { if (!u) throw Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a); }, complete: function complete(t, e) { if ("throw" === t.type) throw t.arg; return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y; }, finish: function finish(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y; } }, "catch": function _catch(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.tryLoc === t) { var n = r.completion; if ("throw" === n.type) { var o = n.arg; resetTryEntry(r); } return o; } } throw Error("illegal catch attempt"); }, delegateYield: function delegateYield(e, r, n) { return this.delegate = { iterator: values(e), resultName: r, nextLoc: n }, "next" === this.method && (this.arg = t), y; } }, e; }9function asyncGeneratorStep(n, t, e, r, o, a, c) { try { var i = n[a](c), u = i.value; } catch (n) { return void e(n); } i.done ? t(u) : Promise.resolve(u).then(r, o); }10function _asyncToGenerator(n) { return function () { var t = this, e = arguments; return new Promise(function (r, o) { var a = n.apply(t, e); function _next(n) { asyncGeneratorStep(a, r, o, _next, _throw, "next", n); } function _throw(n) { asyncGeneratorStep(a, r, o, _next, _throw, "throw", n); } _next(void 0); }); }; }11function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }12function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }13function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }14function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }15function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }16var AESECBCipher = exports.AESECBCipher = /*#__PURE__*/function () {17 function AESECBCipher() {18 _classCallCheck(this, AESECBCipher);19 this._key = null;20 }21 return _createClass(AESECBCipher, [{22 key: "algorithm",23 get: function get() {24 return {25 name: "AES-ECB"26 };27 }28 }, {29 key: "_importKey",30 value: function () {31 var _importKey2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(key, extractable, keyUsages) {32 return _regeneratorRuntime().wrap(function _callee$(_context) {33 while (1) switch (_context.prev = _context.next) {34 case 0:35 _context.next = 2;36 return window.crypto.subtle.importKey("raw", key, {37 name: "AES-CBC"38 }, extractable, keyUsages);39 case 2:40 this._key = _context.sent;41 case 3:42 case "end":43 return _context.stop();44 }45 }, _callee, this);46 }));47 function _importKey(_x, _x2, _x3) {48 return _importKey2.apply(this, arguments);49 }50 return _importKey;51 }()52 }, {53 key: "encrypt",54 value: function () {55 var _encrypt = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(_algorithm, plaintext) {56 var x, n, i, y;57 return _regeneratorRuntime().wrap(function _callee2$(_context2) {58 while (1) switch (_context2.prev = _context2.next) {59 case 0:60 x = new Uint8Array(plaintext);61 if (!(x.length % 16 !== 0 || this._key === null)) {62 _context2.next = 3;63 break;64 }65 return _context2.abrupt("return", null);66 case 3:67 n = x.length / 16;68 i = 0;69 case 5:70 if (!(i < n)) {71 _context2.next = 15;72 break;73 }74 _context2.t0 = Uint8Array;75 _context2.next = 9;76 return window.crypto.subtle.encrypt({77 name: "AES-CBC",78 iv: new Uint8Array(16)79 }, this._key, x.slice(i * 16, i * 16 + 16));80 case 9:81 _context2.t1 = _context2.sent;82 y = new _context2.t0(_context2.t1).slice(0, 16);83 x.set(y, i * 16);84 case 12:85 i++;86 _context2.next = 5;87 break;88 case 15:89 return _context2.abrupt("return", x);90 case 16:91 case "end":92 return _context2.stop();93 }94 }, _callee2, this);95 }));96 function encrypt(_x4, _x5) {97 return _encrypt.apply(this, arguments);98 }99 return encrypt;100 }()101 }], [{102 key: "importKey",103 value: function () {104 var _importKey3 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(key, _algorithm, extractable, keyUsages) {105 var cipher;106 return _regeneratorRuntime().wrap(function _callee3$(_context3) {107 while (1) switch (_context3.prev = _context3.next) {108 case 0:109 cipher = new AESECBCipher();110 _context3.next = 3;111 return cipher._importKey(key, extractable, keyUsages);112 case 3:113 return _context3.abrupt("return", cipher);114 case 4:115 case "end":116 return _context3.stop();117 }118 }, _callee3);119 }));120 function importKey(_x6, _x7, _x8, _x9) {121 return _importKey3.apply(this, arguments);122 }123 return importKey;124 }()125 }]);126}();127var AESEAXCipher = exports.AESEAXCipher = /*#__PURE__*/function () {128 function AESEAXCipher() {129 _classCallCheck(this, AESEAXCipher);130 this._rawKey = null;131 this._ctrKey = null;132 this._cbcKey = null;133 this._zeroBlock = new Uint8Array(16);134 this._prefixBlock0 = this._zeroBlock;135 this._prefixBlock1 = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]);136 this._prefixBlock2 = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2]);137 }138 return _createClass(AESEAXCipher, [{139 key: "algorithm",140 get: function get() {141 return {142 name: "AES-EAX"143 };144 }145 }, {146 key: "_encryptBlock",147 value: function () {148 var _encryptBlock2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(block) {149 var encrypted;150 return _regeneratorRuntime().wrap(function _callee4$(_context4) {151 while (1) switch (_context4.prev = _context4.next) {152 case 0:153 _context4.next = 2;154 return window.crypto.subtle.encrypt({155 name: "AES-CBC",156 iv: this._zeroBlock157 }, this._cbcKey, block);158 case 2:159 encrypted = _context4.sent;160 return _context4.abrupt("return", new Uint8Array(encrypted).slice(0, 16));161 case 4:162 case "end":163 return _context4.stop();164 }165 }, _callee4, this);166 }));167 function _encryptBlock(_x10) {168 return _encryptBlock2.apply(this, arguments);169 }170 return _encryptBlock;171 }()172 }, {173 key: "_initCMAC",174 value: function () {175 var _initCMAC2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee5() {176 var k1, k2, v, i, lut;177 return _regeneratorRuntime().wrap(function _callee5$(_context5) {178 while (1) switch (_context5.prev = _context5.next) {179 case 0:180 _context5.next = 2;181 return this._encryptBlock(this._zeroBlock);182 case 2:183 k1 = _context5.sent;184 k2 = new Uint8Array(16);185 v = k1[0] >>> 6;186 for (i = 0; i < 15; i++) {187 k2[i] = k1[i + 1] >> 6 | k1[i] << 2;188 k1[i] = k1[i + 1] >> 7 | k1[i] << 1;189 }190 lut = [0x0, 0x87, 0x0e, 0x89];191 k2[14] ^= v >>> 1;192 k2[15] = k1[15] << 2 ^ lut[v];193 k1[15] = k1[15] << 1 ^ lut[v >> 1];194 this._k1 = k1;195 this._k2 = k2;196 case 12:197 case "end":198 return _context5.stop();199 }200 }, _callee5, this);201 }));202 function _initCMAC() {203 return _initCMAC2.apply(this, arguments);204 }205 return _initCMAC;206 }()207 }, {208 key: "_encryptCTR",209 value: function () {210 var _encryptCTR2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee6(data, counter) {211 var encrypted;212 return _regeneratorRuntime().wrap(function _callee6$(_context6) {213 while (1) switch (_context6.prev = _context6.next) {214 case 0:215 _context6.next = 2;216 return window.crypto.subtle.encrypt({217 name: "AES-CTR",218 counter: counter,219 length: 128220 }, this._ctrKey, data);221 case 2:222 encrypted = _context6.sent;223 return _context6.abrupt("return", new Uint8Array(encrypted));224 case 4:225 case "end":226 return _context6.stop();227 }228 }, _callee6, this);229 }));230 function _encryptCTR(_x11, _x12) {231 return _encryptCTR2.apply(this, arguments);232 }233 return _encryptCTR;234 }()235 }, {236 key: "_decryptCTR",237 value: function () {238 var _decryptCTR2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee7(data, counter) {239 var decrypted;240 return _regeneratorRuntime().wrap(function _callee7$(_context7) {241 while (1) switch (_context7.prev = _context7.next) {242 case 0:243 _context7.next = 2;244 return window.crypto.subtle.decrypt({245 name: "AES-CTR",246 counter: counter,247 length: 128248 }, this._ctrKey, data);249 case 2:250 decrypted = _context7.sent;251 return _context7.abrupt("return", new Uint8Array(decrypted));252 case 4:253 case "end":254 return _context7.stop();255 }256 }, _callee7, this);257 }));258 function _decryptCTR(_x13, _x14) {259 return _decryptCTR2.apply(this, arguments);260 }261 return _decryptCTR;262 }()263 }, {264 key: "_computeCMAC",265 value: function () {266 var _computeCMAC2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee8(data, prefixBlock) {267 var n, m, r, cbcData, i, _i, cbcEncrypted, mac;268 return _regeneratorRuntime().wrap(function _callee8$(_context8) {269 while (1) switch (_context8.prev = _context8.next) {270 case 0:271 if (!(prefixBlock.length !== 16)) {272 _context8.next = 2;273 break;274 }275 return _context8.abrupt("return", null);276 case 2:277 n = Math.floor(data.length / 16);278 m = Math.ceil(data.length / 16);279 r = data.length - n * 16;280 cbcData = new Uint8Array((m + 1) * 16);281 cbcData.set(prefixBlock);282 cbcData.set(data, 16);283 if (r === 0) {284 for (i = 0; i < 16; i++) {285 cbcData[n * 16 + i] ^= this._k1[i];286 }287 } else {288 cbcData[(n + 1) * 16 + r] = 0x80;289 for (_i = 0; _i < 16; _i++) {290 cbcData[(n + 1) * 16 + _i] ^= this._k2[_i];291 }292 }293 _context8.next = 11;294 return window.crypto.subtle.encrypt({295 name: "AES-CBC",296 iv: this._zeroBlock297 }, this._cbcKey, cbcData);298 case 11:299 cbcEncrypted = _context8.sent;300 cbcEncrypted = new Uint8Array(cbcEncrypted);301 mac = cbcEncrypted.slice(cbcEncrypted.length - 32, cbcEncrypted.length - 16);302 return _context8.abrupt("return", mac);303 case 15:304 case "end":305 return _context8.stop();306 }307 }, _callee8, this);308 }));309 function _computeCMAC(_x15, _x16) {310 return _computeCMAC2.apply(this, arguments);311 }312 return _computeCMAC;313 }()314 }, {315 key: "_importKey",316 value: function () {317 var _importKey4 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee9(key) {318 return _regeneratorRuntime().wrap(function _callee9$(_context9) {319 while (1) switch (_context9.prev = _context9.next) {320 case 0:321 this._rawKey = key;322 _context9.next = 3;323 return window.crypto.subtle.importKey("raw", key, {324 name: "AES-CTR"325 }, false, ["encrypt", "decrypt"]);326 case 3:327 this._ctrKey = _context9.sent;328 _context9.next = 6;329 return window.crypto.subtle.importKey("raw", key, {330 name: "AES-CBC"331 }, false, ["encrypt"]);332 case 6:333 this._cbcKey = _context9.sent;334 _context9.next = 9;335 return this._initCMAC();336 case 9:337 case "end":338 return _context9.stop();339 }340 }, _callee9, this);341 }));342 function _importKey(_x17) {343 return _importKey4.apply(this, arguments);344 }345 return _importKey;346 }()347 }, {348 key: "encrypt",349 value: function () {350 var _encrypt2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee10(algorithm, message) {351 var ad, nonce, nCMAC, encrypted, adCMAC, mac, i, res;352 return _regeneratorRuntime().wrap(function _callee10$(_context10) {353 while (1) switch (_context10.prev = _context10.next) {354 case 0:355 ad = algorithm.additionalData;356 nonce = algorithm.iv;357 _context10.next = 4;358 return this._computeCMAC(nonce, this._prefixBlock0);359 case 4:360 nCMAC = _context10.sent;361 _context10.next = 7;362 return this._encryptCTR(message, nCMAC);363 case 7:364 encrypted = _context10.sent;365 _context10.next = 10;366 return this._computeCMAC(ad, this._prefixBlock1);367 case 10:368 adCMAC = _context10.sent;369 _context10.next = 13;370 return this._computeCMAC(encrypted, this._prefixBlock2);371 case 13:372 mac = _context10.sent;373 for (i = 0; i < 16; i++) {374 mac[i] ^= nCMAC[i] ^ adCMAC[i];375 }376 res = new Uint8Array(16 + encrypted.length);377 res.set(encrypted);378 res.set(mac, encrypted.length);379 return _context10.abrupt("return", res);380 case 19:381 case "end":382 return _context10.stop();383 }384 }, _callee10, this);385 }));386 function encrypt(_x18, _x19) {387 return _encrypt2.apply(this, arguments);388 }389 return encrypt;390 }()391 }, {392 key: "decrypt",393 value: function () {394 var _decrypt = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee11(algorithm, data) {395 var encrypted, ad, nonce, mac, nCMAC, adCMAC, computedMac, i, _i2, res;396 return _regeneratorRuntime().wrap(function _callee11$(_context11) {397 while (1) switch (_context11.prev = _context11.next) {398 case 0:399 encrypted = data.slice(0, data.length - 16);400 ad = algorithm.additionalData;401 nonce = algorithm.iv;402 mac = data.slice(data.length - 16);403 _context11.next = 6;404 return this._computeCMAC(nonce, this._prefixBlock0);405 case 6:406 nCMAC = _context11.sent;407 _context11.next = 9;408 return this._computeCMAC(ad, this._prefixBlock1);409 case 9:410 adCMAC = _context11.sent;411 _context11.next = 12;412 return this._computeCMAC(encrypted, this._prefixBlock2);413 case 12:414 computedMac = _context11.sent;415 for (i = 0; i < 16; i++) {416 computedMac[i] ^= nCMAC[i] ^ adCMAC[i];417 }418 if (!(computedMac.length !== mac.length)) {419 _context11.next = 16;420 break;421 }422 return _context11.abrupt("return", null);423 case 16:424 _i2 = 0;425 case 17:426 if (!(_i2 < mac.length)) {427 _context11.next = 23;428 break;429 }430 if (!(computedMac[_i2] !== mac[_i2])) {431 _context11.next = 20;432 break;433 }434 return _context11.abrupt("return", null);435 case 20:436 _i2++;437 _context11.next = 17;438 break;439 case 23:440 _context11.next = 25;441 return this._decryptCTR(encrypted, nCMAC);442 case 25:443 res = _context11.sent;444 return _context11.abrupt("return", res);445 case 27:446 case "end":447 return _context11.stop();448 }449 }, _callee11, this);450 }));451 function decrypt(_x20, _x21) {452 return _decrypt.apply(this, arguments);453 }454 return decrypt;455 }()456 }], [{457 key: "importKey",458 value: function () {459 var _importKey5 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee12(key, _algorithm, _extractable, _keyUsages) {460 var cipher;461 return _regeneratorRuntime().wrap(function _callee12$(_context12) {462 while (1) switch (_context12.prev = _context12.next) {463 case 0:464 cipher = new AESEAXCipher();465 _context12.next = 3;466 return cipher._importKey(key);467 case 3:468 return _context12.abrupt("return", cipher);469 case 4:470 case "end":471 return _context12.stop();472 }473 }, _callee12);474 }));475 function importKey(_x22, _x23, _x24, _x25) {476 return _importKey5.apply(this, arguments);477 }478 return importKey;479 }()480 }]);481}();