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[amibroker] Re: Sharing AFL while protecting intellectual property



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I wouldn't be too quick to jump to that conclusion. There are many vendors that have been marketing trading subscription services for years, not to mention print media doing the same (albeit at a greater delay).

And, if web site hosting services can be believed, any website can be made fault tolerant with 99%+ uptime. 

As for licensing, the most common approaches that I've seen for limited life access are:

1. Expiring key file.
2. Username/password access to on-line content.
3. Automated nightly email receipt.

Given that you are talking about a local DLL (i.e. a file on the user's disk), a key file to go with it sounds like a reasonable match. It also has the benifit of not requiring a network connection. Though, it might get pretty irritating to have to update a keyfile on a monthly basis. Perhaps quarterly or semi annually instead.

Does anyone know of an open source keyfile generation utility?

Mike

--- In amibroker@xxxxxxxxxxxxxxx, "Potato Soup" <potatosoupz@xxx> wrote:
>
> Yes this is possible but most people would not want to trade with a system that relies on a computer and network out of their control. If your machine goes down then they won't have functionality. I'm working on a similar thing (different concept I'm sure), I've been trying to give it some thought as well. 
> 
> 
> 
> 
> -----Original Message-----
> From: Ronald Davis <xokie7@xxx>
> Date: Fri, 13 Nov 2009 19:35:59 
> To: <amibroker@xxxxxxxxxxxxxxx>
> Subject: Re: [amibroker] Sharing AFL while protecting intellectual property
> 
> Hi Keith, my plan is to let other Amibroker users use it for free.  Then if a lot of Amibroker users like it, I would eventually have a website
> that would auto deduct a small monthly fee for using  it.  
> If a user decides to stop using it , then they would simply go to the website, and cancel the monthly deduct amount from happening.
> 
> I am assuming that DLLs can be made that will work only after the small  monthly user fee is deducted.  Am I wrong?
> 
> 
> 
> 
> ________________________________
> From: Keith McCombs <kmccombs@xxx>
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Fri, November 13, 2009 8:13:47 PM
> Subject: Re: [amibroker] Sharing AFL while protecting intellectual property
> 
>  
> 
> Converting to a .dll
> should prevent others from seeing your source code.  But it does not
> prevent others from using it.  To do that, you will have develop or
> purchase some sort of a scheme that prevents installation of
> unregistered software.
> 
> Ronald Davis wrote: 
>   > 
> >Hi
> >Hydro, I want to do the same thing.  Marcin told me that I need a DLL
> >library. 
> >>TJ said that ADK plug ins require that AFL code with operators must be
> >recoded in order to work
> >> from  DLL plugins created with the Amibroker Development Kit.  
> >
> >>Unfortunately, I am not a C++ programmer. 
> >
> >>Maybe we could share in the cost,  if any,  of  having a C++ Programmer
> > 
> >>develop a DLL template that we could each add our intellectual
> >propertys "in place of any old coding" 
> >>that a C++ programmer would need to use in order to insure that the DLL
> >actually works with Amibroker.
> >
> >>Even after we have a DLL template, we will probably need to have our
> >coded RECODED to work within the DLL.
> >>  
> >>Marcin Gorzynsk>>Currently - the only option to protect the code
> >is to
> >include your proprietary functions in a DLL library (written in C++ and
> >compiled) and call these functions from AFL - see:
> >http://www.amibroker.com/devlog/2006/12/15/amibroker-development-kit-adk-for-cc-now-available-to-everyone/
> >>for more details on custom plugin development.
> >
> >
> >
> >
> >
> ________________________________
> From: "hydroblue@xxxxxxxx il.com"
> ><hydroblue@xxxxxxxxx l.com>
> >To: amibroker@xxxxxxxxx ps.com
> >Sent: Fri, November
> >13, 2009 11:38:40 AM
> >Subject: [amibroker]
> >Sharing AFL while protecting intellectual property
> >
> >>I need a way to share my work with others in a way that allows AFL
> >>execution on their computer without revealing my source code.  I also
> >>need a way to prevent the AFL from being distributed freely and executed
> >>by unauthorized individuals.
> >
> >>Any thoughts on how to do this?
> >
> >
> >
> >>------------ --------- --------- ------
> >
> >>**** IMPORTANT PLEASE READ ****
> >>This group is for the discussion between users only.
> >>This is *NOT* technical support channel.
> >
> >>TO GET TECHNICAL SUPPORT send an e-mail directly to 
> >>SUPPORT {at} amibroker.com
> >
> >>TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> >http://www.amibroker.com/feedback/
> >>(submissions sent via other channels won't be considered)
> >
> >>For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> >http://www.amibroke r.com/devlog/
> >
> >>Yahoo! Groups Links
> >
> >
> >
> >
> >
>




------------------------------------

**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.

TO GET TECHNICAL SUPPORT send an e-mail directly to 
SUPPORT {at} amibroker.com

TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
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