Keepassdx: QR scan for OTP

[adlisval]

Hi, is there any plan to implement QR scanning for 2FA?

[Wilker-a]

sounds like something to be figured using intents and a free program called Binary Eye (if contributing to non copyleft projects isn't an issue, or if adding camera permissions to DX isn't a problem)

iirc Binary Eye already supports 2fa keys, but i don't know enough to tell if implementing a way to receive intents from that app is the only thing remaining to do.

[cagdasb]

Application named "andOTP" is avaible on f-droid too, but it's not the problem. That application would be better if it supports barcode.

[AzureCerulean]

There is also ZXing https://github.com/zxing/zxing
zxing/zxing is licensed under the
Apache License 2.0

a share function from the app to KeePassDX would be fine by me or if KeePassDX could call ZXing... or if KeePassDX wanted to incorporate the code altogether.

[J-Jamet]

Ideally, I would liked not to directly integrate a library for reading the QR Code, but only calling up applications that are already installed. Unfortunately, there is no generic solution without Play Service to retrieve the value of a QR from another application. So we have to find a way to generalize the process.

[AzureCerulean]

https://github.com/zxing/zxing
ZXing ("zebra crossing") is an open-source, multi-format 1D/2D barcode
image processing library implemented in Java, with ports to other languages.

On Wed, Oct 7, 2020 at 4:32 AM Jérémy JAMET [e-mail]
wrote:

Ideally, I would liked not to directly integrate a library for reading the
QR Code, but only calling up applications that are already installed.
Unfortunately, there is no generic solution without Play Service to
retrieve the value of a QR from another application. So we have to find a
way to generalize the process.

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[flocke]

I think this could be handled by registering KeePass DX to handle otpauth:// URLs. That is what's encoded in the QR codes, see here: https://github.com/google/google-authenticator/wiki/Key-Uri-Format

That way one could scan the code with any barcode reader app and the system would suggest KeePass DX as app to handle the scanned link.

[J-Jamet]

With next version 2.9.2, it will be possible to retrieve the shared link from a QR code reader. All you have to do is "Share" from your favorite barcode reader.