nonexportable certificate/private key nonexportable certificate/private key
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  1. #1

    Joe Bloggs


    Default nonexportable certificate/private key

    I want to be able to provide a full/indefinite use copy of a software app to a selected number of known users, which can't simply be copied and given to someone else.

    I was thinking of using a digital certificate and nonexportable private key to ensure that only those authorised could run the software, a method which an online bank I know also uses to similar effect.

    The software is windows based, .Net etc, but could also call COM components.

    Does anyone:

    a) know if there are any drawbacks to this method, e.g. is there a way to export 'nonexportable' keys

    b) what software components are needed to generate the certificates/keys (without preferably having to set up an internet based cert server), and how they can be validated within the app itself.


  2. #2




    I have used software from this lot in the past.

    They used to be called C-Dilla, and are pretty good. I'm not sure if they have an exact fit for your requirments, but you might be able to configure a never ending subsciprtion to the software (which would only work on a licenced machine).

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