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tilde.town | ||
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www.dannyguo.com
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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. | |
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feeding.cloud.geek.nz
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| | | | | [AI summary] This article discusses the current state of TOTP two-factor authentication in 2025, highlighting interoperability issues and security considerations with various authenticator apps. | |
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juliaferraioli.com
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| | | | | 2-Factor Authentication (2FA) or Multi-Factor Authentication (MFA) are ways of securing accounts above and beyond normal password protection. Typically, we think of 2FA as something you know (your password) and something you have (a device). The idea is that if you compromise one, you still cant get access to the protected resource. A room protected by a keypad and ID card reader is a great example of 2FA. You might be able to guess the code, but youd also need a valid ID card to get access to the locked... | |
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rcoh.me
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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 | ||
