@pompeii-labs/cli/dist/security.js

Magma CLI

import os from "os";
import crypto from "crypto";
class Security {
  static encrypt(data) {
    const key = Security.getMachineKey();
    const iv = crypto.randomBytes(16);
    const cipher = crypto.createCipheriv("aes-256-gcm", Buffer.from(key, "hex"), iv);
    const encrypted = Buffer.concat([
      cipher.update(JSON.stringify(data), "utf8"),
      cipher.final()
    ]);
    const tag = cipher.getAuthTag();
    return Buffer.concat([iv, tag, encrypted]).toString("base64");
  }
  static decrypt(encryptedData) {
    const key = Security.getMachineKey();
    const data = Buffer.from(encryptedData, "base64");
    const iv = data.subarray(0, 16);
    const tag = data.subarray(16, 32);
    const encrypted = data.subarray(32);
    const decipher = crypto.createDecipheriv("aes-256-gcm", Buffer.from(key, "hex"), iv);
    decipher.setAuthTag(tag);
    const decrypted = Buffer.concat([decipher.update(encrypted), decipher.final()]);
    return JSON.parse(decrypted.toString("utf8"));
  }
  static getMachineKey() {
    const username = os.userInfo().username;
    const hostname = os.hostname();
    const homeDir = os.homedir();
    return crypto.createHash("sha256").update(`${username}:${hostname}:${homeDir}:magma-secret`).digest("hex");
  }
}
export {
  Security
};