[Rd] how to make a true binary package?

Spencer Graves spencer.graves at prodsyse.com
Tue Oct 11 19:55:55 CEST 2011

       One of the most secure options, I think, is to provide a 
web-based tool to do the computations.  I know one case where this was 
done.  The clients probably did not even know that R was being used to 
do the computations.  They had an application or a procedure for 
uploading their data to a secure web site, which then returned answers.  
This too can be defeated by determined hackers, but if you are careful 
about your encryption, etc., you can make it quite difficult for them.

       Hope this helps.

On 10/11/2011 10:41 AM, Simon Urbanek wrote:
> On Oct 11, 2011, at 1:09 PM, A Zege wrote:
>> OK, gentlemen, i agree with you in general. I was not talking about a general
>> purpose, general use package that one prepares for CRAN. I am sure you are
>> familiar professionally or can imagine situations where you need to
>> demonstrate a solution to a specific task without fully disclosing the
>> details -- sometimes even hard core open source adherents need to sacrifice
>> desire for openness for some prosaic purposes, like getting paid :).
> Those are fairly disjoint concepts - open source doesn't mean you can't get paid. Also the fact that the source is accessible doesn't mean that it is legal for someone else to take it - you define what you allow in the license. Note, for example that Java bytecode can be easily disassembled into readable Java source form and yet there is a lot of commercial software written in Java.
>> Compilable languages give an easy solution of a binary code. It sounds like
>> if one wants true binary, he has to recode in C++. I thought it's possible
>> in R as well, i thought this was discussed even as a default behavior for
>> next version of R to make stuff go faster. Maybe not. Thanks, anyway.
> You can compile the functions and strip the source code from the bytecode objects. Such a thing can be serialized without revealing the original source code. However, you can still de-compile it, and R doesn't guarantee that such stripped objects will continue to work, so your mileage will vary and you may want to check if it's what you want.
> There are obvious other ways you could use that are much simpler - such as encrypt your sources. Nothing is completely bullet-proof, it's just a matter of how much work it requires to break whichever method you choose.
> Cheers,
> Simon
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