Open Two-Factor Authenticator

An open-source two-factor Time-based One-Time Password (TOTP) authenticator with SHA-256 secure storage
What is Open Two-Factor Authenticator?
Open Two-Factor Authenticator is a security-focused Edge add-on. It offers an encrypted, open-source two-factor TOTP authentication solution, providing secure storage of keys using AES-CBC encryption. It syncs data across devices using browser-synced storage, building an extra layer of protection. It neither stores passwords nor performs server-side activities, adding to user privacy and security. The add-on is compatible with multiple browsers.
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Add-on stats

By: Bermet
Users: 5,838 ▲ 16
Rating: 4.00 (3)
Version: 0.3.0 (Last updated: 2021-09-06)
Creation date: 2021-09-06
Risk impact: Low risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 3
Permissions:
  • storage
  • notifications
Size: 261.80K

Ranking

# 2104 ▼ 5
Other rankings
#869 in Productivity ▲ 44

Other platforms

Open Two-Factor Authenticator (v0.3.3)
3.20 (10) 10,000
Open Two-Factor Authenticator (v0.3.3)
3.75 (4) 298
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Add-on summary

Analyze keywords

Open Two-Factor Authenticator aims to provide an open-source two-factor authentication to browsers and Android devices with synced storage.

By using this extension, you can have your encrypted keys stored in the browser's synced storage. This allows you to sync them across multiple devices. This extension uses the public key/private key method to encrypt stored data (SHA-256).

Currently, Open Two-Factor Authenticator supports Firefox on Desktop, Firefox on Android, Chrome, Edge, and Opera browsers. Standalone Android implantation is still in progress.

Features:

  1. Stores secrets securely using AES-CBC encryption.
  2. Does not store passwords
  3. Does not have any server-side activities whatsoever
  4. Uses synced storage, so secrets are securely shared between multiple devices.
  5. Supports custom number of digits and custom validation period

Add-on safety

Risk impact

Open Two-Factor Authenticator requires very minimum permissions.

Risk likelihood

Open Two-Factor Authenticator has earned a good reputation and can be trusted.

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