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prezu.ca | ||
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labanskoller.se
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| | | | | You probably use an "authenticator app" such as Google Authenticator to enable two-step verification (sometimes called two-factor authentication, 2FA, or multi-factor authentication, MFA) for an online account. The method is called Time-Based One-Time Password Algorithm (TOTP) and is standardized in RFC 6238. In October 2017 when I evaluated HashiCorp Vault for generating and storing TOTP secrets for a system at work I realized that the Android version and iOS version of Google Authenticator differed a lot when it comes to which modes are supported. | |
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feeding.cloud.geek.nz
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labanskoller.se
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| | | | | Last week my favorite IT security podcast Bli säker (Become Secure in English) published the episode The Epochalypse and the QR Code (only in Swedish) where they explained the techonology behind mobile authenticator apps. I felt I needed to refresh my TOTP algorithm support investigation from 2019 before the recording of the next episode of the Bli säker podcast. :) So this is an update to the blog post I published in July 2019 called Many Common Mobile Authenticator Apps Accept QR Codes for Modes They D... | |
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codeinthehole.com
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| | | Two tips for better debugging of Bash scripts. | ||
