nyt-util/dist/main/crypto-decrypt.js

Neyaatek Utilies

"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());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Decrypt = void 0;
const hexStringToArrayBuffer = (hex) => {
    const hexMatches = hex.match(/.{1,2}/g) || [];
    const typedArray = new Uint8Array(hexMatches.map((byte) => parseInt(byte, 16)));
    return typedArray.buffer;
};
const Decrypt = (text, key) => __awaiter(void 0, void 0, void 0, function* () {
    const [ivHex, dataHex] = text.split(':');
    const iv = hexStringToArrayBuffer(ivHex);
    const data = hexStringToArrayBuffer(dataHex);
    const alg = { name: 'AES-CBC', iv: iv };
    const cryptoKey = yield crypto.subtle.importKey('raw', hexStringToArrayBuffer(key), alg, false, ['decrypt']);
    const decrypted = yield crypto.subtle.decrypt(alg, cryptoKey, data);
    const dec = new TextDecoder();
    return dec.decode(decrypted);
});
exports.Decrypt = Decrypt;