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Tofu

An easy-to-use, open-source two-factor authentication app designed specifically for iOS.

Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.

Tofu works with all services that provide two-factor authentication using the HOTP and TOTP algorithms. It does not require a network or cellular connection and can be used in airplane mode.

New maintainer

Hey there, Calle here, the original author of Tofu Authenticator. Over the last few years I haven’t had as much time to work on the app as I had hoped for. While Tofu has been working fine (I still use the app every day), few improvements have been made and no new platform features have been integrated. Luckily, my friend Daniel Kennett who is both a long-time user of Tofu and a way more experienced iOS developer than I am, has offered to take over maintenance and ownership of the app going forward. I’m really thankful for being able to place the app in Daniel’s safe hands and look forward to following the future development of it!

Installation

Tofu is available for free on the App Store.

Download on the App Store

Issuer icons

Here's how you can help add new icons to the app:

  1. Fork and clone this repo.

  2. Add your icon to the IssuerIcons/ directory.

    The icon should be a square PNG without rounded corners and without borders. It must be at least 196x196 pixels but we prefer larger sizes such as 1024x1024.

  3. Run ./GenerateIssuerIconAssets.sh from the root of the repo.

  4. Add an entry for the icon to the imageNames dictionary.

    The key should be the string that shows up in the account's Issuer field when scanning a QR code for the service. The value should be the name of the icon file.

  5. Commit your changes and open a PR.

Here's an example commit for adding a new icon: 692e32a

If you don't feel comfortable adding icons yourself, you can ask others to do so by opening issues using the Issuer Icon Request template.