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labanskoller.se
| | www.mjt.me.uk
3.8 parsecs away

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| | www.dannyguo.com
1.4 parsecs away

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| | [AI summary] The author discusses their decision to migrate from Authy to Bitwarden for managing two-factor authentication (2FA) codes, highlighting issues with Authy's backup, syncing, and CPU usage, while detailing the benefits and setup of Bitwarden.
| | supabase.com
2.2 parsecs away

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| | MFA Auth with enforcement via RLS
| | rcoh.me
6.5 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