Question:102436

kokit200...

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User: kokit2001
Posted: on Sep 11, 2025 06:27 AM
Forum: ASP.Net Web Forms
Replies: 2
Views: 57

Article: Implement 2 Factor Authentication (TOTP) using Google Authenticator App in ASP.Net

Thanks for your sample, it helps a lot. I would like to ask is that not only validation code but also the QR code is one-time? How can I make the authenticator to reuseable, prevent sanning QR Code every time when login?

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Mudassar

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User: Mudassar
Replied: on Sep 11, 2025 06:30 AM
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It is not posible as the Token will expire in some time

kokit200...

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User: kokit2001
Replied: 13 hours ago
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I know the one time password will expire after the counting time.When you scan the QR code, it is just like a account and added to the list in Google Authenticator. The new added one will keep generating one time password vildation. I am asking is it possible to use that new generated passord, but not rescan new QR code and add new authenticator for genereating one time password.

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Question:102436

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