Password protect mat files
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Hi there everybody, Im writing an application and I would like to password protect the generated mat files... is there an easy way to do this?
hopefully you can give me some hints...
thanks in advance
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John D'Errico
2022-11-27
.mat files don't have the option for password protection. You could encrypt them I suppose, making them unusable as .mat files without the reverse operation. But then you would need to have your code protected and made unreadable too.
Perhaps better could be to write your own files, encrypted in your own proprietary format so they would be unreadable, at least not without the correct code. Then use pcode to protect the reading tools, so the reader cannot be used by others. It will be tough to do, since even pcode can apparently be hacked by the determined hacker.
Or you might store the files in a secure location in the cloud, inaccessible without the proper permissions.
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David Leffingwell
2023-6-12
If you are using the MATLAB Compiler, you can use the -s option to encrypt your data (e.g. MAT files) in addition to your M files. See here.
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