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A comment on CueCat. Parent comment

Re:CueCat by jamiesonbecker on Monday March 21, 2016 @11:48AM (#11328876)
> Does any arbitrary QR reader app work for every QR code?

Yes, basically.

> Is QR scanning natively supported in any way?

No idea for every phone, but not native to Android or IOS AFAIK. Probably Google Goggles, but that's not built-in usually. We recommend FreeOTP for MFA at Userify[1] (plug: SSH key management) which has a built-in QR code scanner/reader, but Google Authenticator needs a specific third-party (and permission-greedy) app.

1. https://userify.com

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Re:CueCat by LyndsySimon on Monday March 21, 2016 @11:55AM (#11328930)
I also use FreeOTP, but be aware that it stores the keys in plaintext.

That was the reason I chose it actually - it gives me a way to encrypt and back up my codes in one fell swoop - but it is definitely a risk to be aware of on a rooted device.

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Re:CueCat by WorldMaker on Monday March 21, 2016 @04:35PM (#11331724)
It's natively built into Windows 10 (for certain less technical descriptions of "native"), but you'll have to ask Cortana if anyone knows that, much less knows how use that.
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