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wstrange / GoogleAuth

Google Authenticator Server side code

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Is there a way to generate scratch codes? Readme.md and manual PDF doesn't say how.

tommai78101 opened this issue · comments

commented

I understand that the library can generate 5 scratch codes upon generating the shared key. However, it doesn't explain where or how to obtain said scratch codes. I even checked the manual.

I would like to know how to generate those scratch codes via this library, so that they would still have the ability to log back in? Thanks.

commented

Ugh, I finally understood how to generate the scratch codes now. Gotta read a section further down than I thought in the manual.

  1. You need to create a GoogleAuthenticatorConfigBuilder and tell it to create X number of scratch codes.
  2. Then, once you obtained the GoogleAuthenticatorKey, it will produce a list of those scratch codes in that class.