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prezu.ca | ||
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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 | |
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stefansundin.github.io
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| | | | | 2FA QR Code Generator | |
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zserge.com
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| | | | | Many of us use one-time passwords (OTP) regularly to log into different services. Most probably rely on Google Authenticator and similar tools. But what about building one by ourselves? | |
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ets.wyo.gov
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| | | 2023 Cybersecurity Awareness Campaign | ||
