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www.mjt.me.uk | ||
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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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prezu.ca
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| | | | | Part 3 is the last part in this short cycle. Here I'll explain all the details around Time-based One-Time Password algorithm. I'll finish up by also elaborating on things common to both, HMAC-Based One-Time Password algorithm: QR Codes used to easily transfer secrets from the server to the Authenticator app Base32 algorithm - used to store non-printable secret in a URI (effectively stored by the QR Codes mentioned above). TOTP One way to avoid the problems with lack of feedback between server and the app... | |
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cryptsus.com
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| | | | | How to configure SSH with YubiKey Security Keys U2F OTP Authentication on Ubuntu 18.04 | |
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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? | ||
