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Topic: 2 "" the person, 1 project, how that?

So, there is a project, broke it into 2 parts, not able to live the friend without friends
1. The first I - DLL + write docks and demos on operation with it
2. The second is written by "partner" - EXE - an end-product
Attention a question:
1: as item 1 will be convinced that. What it  only entrusted EXE?
2: as item 2 will be convinced that. What it  only entrusted DLL?
Situation typical, offered involvement in a gang for soldering, as though who of whom did not throw - here in what a question who has an experience, I ask shares, for a long time I ask a similar question, but the good decision  I do not see. Normally I sidewise bypass such, but here  hooked, decided to risk.

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Re: 2 "" the person, 1 project, how that?

MMM_Corp;
Simply to cease to solve legal problems means.

3

Re: 2 "" the person, 1 project, how that?

MMM_Corp;
Agree about certification methods. For example, using ECC. Generate key steams, exchange public keys.
Then, by operation, you cause its method, transfer the unit of the casual data, he signs, returns the signature, you check its authenticity.
And on the contrary, it causes yours, under the same circuit. Operation of generation of the signature to carry out in the third party (for example, a hardware lock of protection or the certification server).
...
It is possible to sign entirely application at its release then it will not be necessary to store secret key in the code generally. Though, of course, it is theoretically possible and to decompile application - the partner and to change public key.
...
The strange setting of the task.

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Re: 2 "" the person, 1 project, how that?

"MMM" - decided to risk !

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Re: 2 "" the person, 1 project, how that?

And if so:
We  generate keys
parts we exchange, and   the friend to the friend + on top to walk e.g. Themida
If  e.g. themid-doj that  is very much
So protection is quite defensible and rather reliable
How consider the respected I rub the guru?
The item with. About . Aspects - well children if it was the main thing  on a forum of lawyers, it is other subject absolutely)

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Re: 2 "" the person, 1 project, how that?

MMM_Corp;
HASP', here and the data will exchange with  an encryption