index.js

const fs = require('fs');
const crypto = require("crypto");
const sqlite3 = require('sqlite3').verbose();
const sqljs = require('sql.js');
const zencashjs = require('zencashjs');

function decryptWallet(login, password, path) {
    let i = Buffer.byteLength(login);
    let inputBytes = fs.readFileSync(path);
    let recoveredLogin = inputBytes.slice(0, i).toString("utf8");
	console.log('recovered user name: ' + recoveredLogin);
    let outputBytes = [];

	let iv = inputBytes.slice(0, i + 64);
	i += 64;
	let salt = inputBytes.slice(i, i + 64);
	i += 64;
	let tag = inputBytes.slice(i, i + 16);
	i += 16;
	let encrypted = inputBytes.slice(i);
	let key = crypto.pbkdf2Sync(password, salt, 2145, 32, "sha512");
	let decipher = crypto.createDecipheriv("aes-256-gcm", key, iv);

	decipher.setAuthTag(tag);
	outputBytes = decipher.update(encrypted, "binary", "binary");
	try {
		outputBytes += decipher.final("binary");
	} catch (err) {
		/*
		 * Let's hope node.js crypto won't change error messages.
		 * https://github.com/nodejs/node/blob/ee76f3153b51c60c74e7e4b0882a99f3a3745294/src/node_crypto.cc#L3705
		 * https://github.com/nodejs/node/blob/ee76f3153b51c60c74e7e4b0882a99f3a3745294/src/node_crypto.cc#L312
		 */
		if (err.message.match(/Unsupported state/)) {
			/*
			 * User should be notified that wallet couldn't be decrypted because of an invalid
			 * password or because the wallet file is corrupted.
			 */
			outputBytes = [];
		} else {
			// FIXME: handle other errors
			throw err;
		}
	}
    return outputBytes;
}

if (process.argv.length < 2+3) {
	console.error("Usage: decrypt-arizen-db awdpath username password");
	process.exit(1);
}

let encfile_path = process.argv[2];
let username = process.argv[3];
let password = process.argv[4];

let sqlite_bytes = decryptWallet(username, password, encfile_path);
let sqlite_path = encfile_path.replace(/\.awd/, '') + '.sqlite3';


if (sqlite_bytes.length) {
	fs.writeFileSync(sqlite_path, sqlite_bytes);
} else {
	console.error("Incorrect password");
}

let db = new sqljs.Database(sqlite_bytes);

let sql_ret = db.exec('select pk, addr from wallet');
if (sql_ret.length) {
	let rows = sql_ret[0].values;
	for (let row of rows) {
		let wif = zencashjs.address.privKeyToWIF(row[0]);
		let addr = row[1];
		console.log(wif, addr);
	}
}

package.json

{
  "name": "unpack-arizen-db",
  "version": "0.1",
  "dependencies": {
    "sql.js": "^0.5.0",
    "sqlite3": "^3.1.13",
    "zencashjs": "^1.1.9-a"
  }
}