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barrypopik.com
| | www.hardenize.com
2.2 parsecs away

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| | We've just added support for two-factor authentication to Hardenize, and we're delighted with it.
| | sts10.github.io
3.4 parsecs away

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| | This is a continuation of my post on enabling two-factor authentication for Mastodon accounts. For users new to two-factor authentication, I highly recommend you start there. Recent versions of Mastodon allow you to add a security key as an alternate form of a second factor. What's a security key? Basically,...
| | tilde.town
4.2 parsecs away

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| |
| | rcoh.me
11.7 parsecs away

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| I always wondered how Google Authenticator style 2-factor codes worked. The process of going from QR code to rotating 6-digit pin seemed a bit magical. A few days ago, my curiosity found itself coupled with some free time. Here's what I found: What's in the QR Code I scanned the QR code from Github with a barcode scanning app. Here's what's inside: otpauth://totp/Github:rcoh?secret=onswg4tforrw6zdf&issuer=Github Not too surprising. It tells us the protocol, TOTP, who is issuing this OTP code (Github), and most importantly the secret:1