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Demo / Copy Protection

 
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jpk
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Joined: Jun 29, 2004
Posts: 7

PostPosted: Wed Sep 08, 2004 5:18 pm    Post subject: Demo / Copy Protection Reply with quote

Here's an idea. John said he was working on a demo routine for the pay version of TotalRekall. Why not extend that capability for things built on TotalRekall?

I'm planning to build a real-estate package and I'd like to give a demo capability; but from what I've seen, anyone who has a full copy of Rekall can get to the source code or modify the program. It would be interesting if the package could be locked down so that I could, for instance, give demo copies to potential customers.

--Josh
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BadJake
Site Admin
Site Admin


Joined: Oct 31, 2003
Posts: 295
Location: Mansfield, Notts., UK

PostPosted: Sat Sep 18, 2004 11:10 am    Post subject: Re: Demo / Copy Protection Reply with quote

jpk wrote:
Here's an idea. John said he was working on a demo routine for the pay version of TotalRekall. Why not extend that capability for things built on TotalRekall?

I'm planning to build a real-estate package and I'd like to give a demo capability; but from what I've seen, anyone who has a full copy of Rekall can get to the source code or modify the program. It would be interesting if the package could be locked down so that I could, for instance, give demo copies to potential customers.

--Josh


I may be possible to add a feature to allow a developer to encrypt before it is saved and reverse the operation on loading. Since Rekall is released under a dual licensing scheme we could add this feature to a Rekall Pro version. This version's source code would not be available for download. Also we could make it so that Rekall generates a random encryption/decryption key and stores it in a file. This way only the people who you give the key file to would be able to decrypt the data. And, if you generate a new key for each customer, only that particular customer could decrypt the data. The only problem with this idea is that it would be a nightmare to keep track of which file belongs to which customer. You could over come this problem by storing customer/key information in a separate database which is maintained by yourself
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jpk
Cadet


Joined: Jun 29, 2004
Posts: 7

PostPosted: Wed Sep 22, 2004 3:18 pm    Post subject: Re: Demo / Copy Protection Reply with quote

Quote:
I may be possible to add a feature to allow a developer to encrypt before it is saved and reverse the operation on loading. Since Rekall is released under a dual licensing scheme we could add this feature to a Rekall Pro version.


How much would you charge (on a consulting basis) to add this functionality to Rekall 2.2.1 for both Windows and Linux? This is something I may need rather quickly (pending contract approval - I'm talking first or second quarter 2005) and don't have time to wait for a release. I could do this myself but don't want to spend the money on the commercial version of Qt I'd need to compile this and be clear with regards to licensing.

(I can be reached via e-mail if you don't want to reply here.)

Thanks,
--Josh
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BadJake
Site Admin
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Joined: Oct 31, 2003
Posts: 295
Location: Mansfield, Notts., UK

PostPosted: Thu Sep 23, 2004 3:54 pm    Post subject: Re: Demo / Copy Protection Reply with quote

jpk wrote:
Quote:
I may be possible to add a feature to allow a developer to encrypt before it is saved and reverse the operation on loading. Since Rekall is released under a dual licensing scheme we could add this feature to a Rekall Pro version.


How much would you charge (on a consulting basis) to add this functionality to Rekall 2.2.1 for both Windows and Linux? This is something I may need rather quickly (pending contract approval - I'm talking first or second quarter 2005) and don't have time to wait for a release. I could do this myself but don't want to spend the money on the commercial version of Qt I'd need to compile this and be clear with regards to licensing.

(I can be reached via e-mail if you don't want to reply here.)

Thanks,
--Josh


Hi

I have spoken with my partner Mike and we reckon it would be best if we continued the above discussion by email. My email address is and Mike's is
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