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Gordian QR Tool

by Peter Denton and Christopher Allen

This product has been deprecated because of issues with the iCloud storage. Please instead use Gordian Seed Tool.

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Gordian QRTool is a reference tool that acts as a secure place to store and backup sensitive data that is encoded into QRs. Powered by Uniform Resource, it was built to store SSKRs, PSBTs, and seeds encoded using URs, however it can also be used to store other sorts of sensitive data such as 2FAs.

Additional Information

Data is always stored with multiple layers of encryption using your device's keychain.

To ensure you can backup & recover from iCloud you must be signed in with the same Apple ID and must enable "Keychain" on your device's iCloud settings.

Docs

Features

Gordian QRTool demonstrates security, usability, and interoperability best practices with a number of core features:

Gordian Principles

Gordian QRTool is a reference implementation meant to display the Gordian Principles, which are philosophical and technical underpinnings to Blockchain Commons' Gordian technology. This includes:

Blockchain Commons apps do not phone home and do not run ads. Some are available through various app stores; all are available in our code repositories for your usage.

Status - Released (1.0.3)

Gordian QRTool has been released through the Apple Appstore.

Version History

1.0.4 (3), July 21 2021

1.0.3 (3), July 14 2021

1.0.2 (2), July 13 2021

1.0 (1)

Installation Instructions

Gordian QRTool can be purchased for the iPhone from the Apple Appstore or can be compiled from the source here.

For full functionality of the iCloud backup, be sure to turn on the following functionality under "Settings > Apple ID > iCloud" on all devices running Gordian QR Tool:

Be very certain that all devices running Gordian QR Tool are fully logged into your Apple account, with full access to iCloud, and switches set as noted above. Failure to do so will either result in (1) QR entries not being synced to the iCloud (and other devices); or (1) QR entries being synced to other devices without the protected content of the actual code.

Origin, Authors, Copyright & Licenses

Unless otherwise noted (either in this /README.md or in the file's header comments) the contents of this repository are Copyright © 2020 by Blockchain Commons, LLC, and are licensed under the spdx:BSD-2-Clause Plus Patent License.

In most cases, the authors, copyright, and license for each file reside in header comments in the source code. When it does not we have attempted to attribute it accurately in the table below.

This table below also establishes provenance (repository of origin, permalink, and commit id) for files included from repositories that are outside of this repository. Contributors to these files are listed in the commit history for each repository, first with changes found in the commit history of this repo, then in changes in the commit history of their repo of their origin.

FileFromCommitAuthors & Copyright (c)License

Dependencies

Financial Support

Gordian QRTool is a project by Blockchain Commons. We are proudly a social benefit "not-for-profit" committed to open source & open development. Our work is funded entirely by donations and collaborative partnerships with people like you. Every contribution will be spent on building open tools, technologies & techniques for blockchain and internet security infrastructure.

To financially support further development of Gordian QRTool and other projects, please consider becoming a Patron of Blockchain Commons through ongoing monthly patronage by becoming a Sponsor through GitHub; currently they are matching the first $5k so please do consider this option. You can also offer support with Bitcoin via our BTCPay Server.

Contributing

We encourage public contributions through issues and pull-requests! Please review CONTRIBUTING.md for details on our development process. All contributions to this repository require a GPG signed Contributor License Agreement.

Discussions

The best place to talk about Blockchain Commons and its projects is in our GitHub Discussions areas.

Gordian User Community. For users of the Gordian reference apps, including Gordian Coordinator, Gordian Seed Tool, Gordian Server, Gordian Wallet, and SpotBit as well as our whole series of CLI apps. This is a place to talk about bug reports and feature requests as well as to explore how our reference apps embody the Gordian Principles.

Blockchain Commons Discussions. For developers, interns, and patrons of Blockchain Commons, please use the discussions area of the Community repo to talk about general Blockchain Commons issues, the intern program, or topics other than those covered by the Gordian Developer Community or the Gordian User Community.

Other Questions & Problems

As an open-source, open-development community, Blockchain Commons does not have the resources to provide direct support of our projects. Please consider the discussions area as a locale where you might get answers to questions. Alternatively, please use this repository's issues feature. Unfortunately, we can not make any promises on response time.

If your company requires support to use our projects, please feel free to contact us directly about options. We may be able to offer you a contract for support from one of our contributors, or we might be able to point you to another entity who can offer the contractual support that you need.

Credits

The following people directly contributed to this repository. You can add your name here by getting involved — the first step is to learn how to contribute from our CONTRIBUTING.md documentation.

NameRoleGithubEmailGPG Fingerprint
Christopher AllenPrincipal Architect@ChristopherA<ChristopherA@LifeWithAlacrity.com>FDFE 14A5 4ECB 30FC 5D22 74EF F8D3 6C91 3574 05ED
Peter DentonProject Lead@Fonta1n3<fonta1n3@protonmail.com>3B37 97FA 0AE8 4BE5 B440 6591 8564 01D7 121C 32FC

Responsible Disclosure

We want to keep all our software safe for everyone. If you have discovered a security vulnerability, we appreciate your help in disclosing it to us in a responsible manner. We are unfortunately not able to offer bug bounties at this time.

We do ask that you offer us good faith and use best efforts not to leak information or harm any user, their data, or our developer community. Please give us a reasonable amount of time to fix the issue before you publish it. Do not defraud our users or us in the process of discovery. We promise not to bring legal action against researchers who point out a problem provided they do their best to follow the these guidelines.

Reporting a Vulnerability

Please report suspected security vulnerabilities in private via email to ChristopherA@LifeWithAlacrity.com (do not use this email for support). Please do NOT create publicly viewable issues for suspected security vulnerabilities.

The following keys may be used to communicate sensitive information to developers:

NameFingerprint
Christopher AllenFDFE 14A5 4ECB 30FC 5D22 74EF F8D3 6C91 3574 05ED

You can import a key by running the following command with that individual’s fingerprint: gpg --recv-keys "<fingerprint>" Ensure that you put quotes around fingerprints that contain spaces.