Yes! I've actually had this on my list to cover really soon. I'm going to try to squeeze it in after the Rails 5 videos I want to cover. This is becoming so common, it'd be really important to have a video on it!
Good. I'm glad you liked the idea :-) It's becoming really important to have an extra layer of security with loads of different sites getting compromised these days. I'm looking forward to that tutorial.
Oh definitely! I had an account with a trivial password get hacked recently that made me think about how good a two factor auth tutorial would be for GoRails. Gonna get on that!
Also, do you know if this gem uses Twilio for a backend or is it generic in that it could support anything? I haven't looked at this much.
2 Factor Authentication has saved me recently with a couple of attempts on my PayPal and Twitter accounts, but as I use a YubiKey I was ok. To answer your question i've only had a quick look at the gem, but they use this https://github.com/samvincent/rqrcode-rails3 gem to generate the QR-code representing the user's secret key.
However, they also talk about sending an SMS, not sure if that's Twilio and you can also use a mobile application such as Google Authenticator for the key. Personally I think it would make a great series, making an app that stores sensitive information/data and takes a payment or something like that.
I'm off to bed now, it's 22:30 in the UK.
Oh cool, I'll definitely give it a look. I think that would be really awesome to support Google Authenticator, SMS, etc. I imagine this gem is designed to be fairly generic so you can support whichever you need.
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