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eric.jain.name | ||
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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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willhaley.com
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| | | | | zbarimg is a helpful command line tool that can take an image of a QR code and decode the underlying text represented by the code. zbarimg qr-code.png This is helpful if you want to decode a Google Authenticator TOTP (Time-based one time password), or any other sort of QR code content. It should be noted that saving the seed for TOTP codes may open you up to a security vulnerability, but there may be cases when you want this information. | |
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blog.jitendrapatro.me
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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. | ||
