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Текущая директория: /var/www/bitcardoApp/node_modules/aes-js/lib.commonjs
Просмотр файла: mode-cbc.js
"use strict";
// Cipher Block Chaining
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
if (kind === "m") throw new TypeError("Private method is not writable");
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _CBC_iv, _CBC_lastBlock;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CBC = void 0;
const mode_js_1 = require("./mode.js");
class CBC extends mode_js_1.ModeOfOperation {
constructor(key, iv) {
super("ECC", key, CBC);
_CBC_iv.set(this, void 0);
_CBC_lastBlock.set(this, void 0);
if (iv) {
if (iv.length % 16) {
throw new TypeError("invalid iv size (must be 16 bytes)");
}
__classPrivateFieldSet(this, _CBC_iv, new Uint8Array(iv), "f");
}
else {
__classPrivateFieldSet(this, _CBC_iv, new Uint8Array(16), "f");
}
__classPrivateFieldSet(this, _CBC_lastBlock, this.iv, "f");
}
get iv() { return new Uint8Array(__classPrivateFieldGet(this, _CBC_iv, "f")); }
encrypt(plaintext) {
if (plaintext.length % 16) {
throw new TypeError("invalid plaintext size (must be multiple of 16 bytes)");
}
const ciphertext = new Uint8Array(plaintext.length);
for (let i = 0; i < plaintext.length; i += 16) {
for (let j = 0; j < 16; j++) {
__classPrivateFieldGet(this, _CBC_lastBlock, "f")[j] ^= plaintext[i + j];
}
__classPrivateFieldSet(this, _CBC_lastBlock, this.aes.encrypt(__classPrivateFieldGet(this, _CBC_lastBlock, "f")), "f");
ciphertext.set(__classPrivateFieldGet(this, _CBC_lastBlock, "f"), i);
}
return ciphertext;
}
decrypt(ciphertext) {
if (ciphertext.length % 16) {
throw new TypeError("invalid ciphertext size (must be multiple of 16 bytes)");
}
const plaintext = new Uint8Array(ciphertext.length);
for (let i = 0; i < ciphertext.length; i += 16) {
const block = this.aes.decrypt(ciphertext.subarray(i, i + 16));
for (let j = 0; j < 16; j++) {
plaintext[i + j] = block[j] ^ __classPrivateFieldGet(this, _CBC_lastBlock, "f")[j];
__classPrivateFieldGet(this, _CBC_lastBlock, "f")[j] = ciphertext[i + j];
}
}
return plaintext;
}
}
exports.CBC = CBC;
_CBC_iv = new WeakMap(), _CBC_lastBlock = new WeakMap();
//# sourceMappingURL=mode-cbc.js.mapВыполнить команду
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