App Designer package and encrypt code

2021 8 9
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更新时间：2023 6 26
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2 个投票

Hi
I develped an AppDesigner, and Shared(packaged) it as .mlappinstall
  • I already 'pcode' the used functions as .p before packaging.
  • While when I unzip the .mlappinstall, I could see the .mlapp, which means the user could also see the .mlapp part code.
How could I encrypt the .mlapp and package.
BTW: I knew I could export the .mlapp to .m then 'pcode' to .p, while I could not use AppDesigner tool to share(package) a .m

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Shivam Ahuja
Shivam Ahuja 2021-8-17

0 个投票

I understand that you want to encrypt the .mlapp file and package
The following 3 ways will help you to achieve this:-
1) Use MATLAB Compiler to compile everything. MATLAB Compiler encrypts using AES. You can refer to below two links for more understanding on how to use MATLAB Compiler to encrypt.
https://in.mathworks.com/matlabcentral/answers/380730-how-can-i-protect-files-other-than-m-file-with-matlab-compiler
https://in.mathworks.com/matlabcentral/answers/94674-can-i-depend-on-the-matlab-compiler-4-0-r14-to-protect-my-intellectual-property
2) Use your own encryption scheme. It will be necessary to decrypt the code before it can be executed. You can refer to below link.
https://in.mathworks.com/matlabcentral/answers/43896-encryption-of-mat-files
3)Use pcode which obfuscates code (makes it more difficult to access and understand) but does not actually encrypt it. You can refer to documentation of pcode.
https://in.mathworks.com/help/matlab/ref/pcode.html

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Yoni
Yoni 2023-6-23
编辑：Yoni 2023-6-23
How can you obfuscates mlapp source code and still be able to package it as a MATLAB app that can be installed in MATLAB?
Yoni
Yoni 2023-6-26
编辑：Yoni 2023-6-26
I found a solution. It turns out you can run the m-files that you get from exporting MLAPP files. This means you don't need to carry over the MLAPP files to your package. But, before you package, convert the m-files to p-files. Now your packaged app is protected.

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