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Encrypted is obsolete

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DNNDude

Growing Member



Posts:47
Growing Member




9/3/2019 8:41 PM

    Thanks Sebastian.

    Sounds like there is scope there for a utility to convert all encrypted password into a hash.  If DNN already checks both, seems like a logical thing to do when DNN detects a change in the web.config from encrypted>hashed.

    This would improve the security of the platform I reckon.  Does anyone know if such a thing exists, or perhaps a 3rd-party tool?






    Sebastian Leupold

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    Posts:539
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    9/6/2019 2:23 AM
      AFAIR DNN Corp. wrote such a Utility to migrate their own website years ago, but it was not ready to be released for the public. The easiest Workaround would be a SQL script, which sets the flag for requiring Password reset for all users upon next login.





      Brian Dukes

      Advanced Member



      Posts:136
      Advanced Member




      9/6/2019 8:59 AM
        I'm not aware of any freely available mechanism to do this. Unfortunately, I don't think Sebastian's easy workaround will be effective. As far as I recall, once a password is marked as encrypted, it continues to be encrypted even if the setting is changed. Only new accounts get hashed passwords once the main setting is changed to encrypted. There will need to be some process running on the web server to decrypt each password and update them to the hashed format.
        DNN partner specializing in custom, enterprise DNN development https://engagesoftware.com/showcase





        Sebastian Leupold

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        Posts:539
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        9/6/2019 10:43 AM

          Of course, the password remains encrypted, until the user updates it. If DNN password format is set to "hashed", the new password would be stored as hashed value.






          Michael Tobisch

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          Posts:1124
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          7/10/2020 3:34 AM
            Posted By Sebastian Leupold on 06 Sep 2019 11:43 AM

            Of course, the password remains encrypted, until the user updates it. If DNN password format is set to "hashed", the new password would be stored as hashed value.

            I could not reproduce this. I tried to change the password for a user who had PasswordFormat=2 in the aspnet_membership table, and after the change, it still was 2. I created a new user, and the password format is 1 for this user. So changing the password does not "upgrade" the password format.

            Happy DNNing!
            Michael

             

             

            Michael Tobisch
            DNN★MVP

            dnnWerk Austria
            DNN Connect





            Sebastian Leupold

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            Posts:539
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            7/10/2020 3:58 AM
              Maikl,
              when updating the password, DNN uses the format value from web.config, not the current membership entry.





              Michael Tobisch

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              Posts:1124
              Veteran Member




              7/13/2020 1:44 AM
                Sebastian,

                I could not reproduce that. The password is still encrypted and not hashed after changing it (the value of the field PasswordFormat is still 2). Only new users get the PasswordFormat 1 (hashed).

                Happy DNNing!
                Michael

                Michael Tobisch
                DNN★MVP

                dnnWerk Austria
                DNN Connect
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