Lately I published an episode of my podcast where I talk about compression and encryption as privacy tools (link). That’s all nice and dandy but how do we do any of that in practice? Well, most compression programs have an encryption option, which may be sufficient for low-confidentiality documents. But what about datasets that contain lots of PII? And if you are like me, you may use Julia for processing them, since it’s by far the most efficient programming language for the task, that’s also high-level.
Enter ComCrypt, a simple script that does high-quality compression and quantum-proof encryption all in one go. Namely, it makes use of the CDF script which I’ve talked about before (it’s been about two years since I created it) for compressing the data into an archive having the .cdf extension (which stands for compressed data format and it’s native to Julia). Then it applies ThunderStorm to it, using an external key file. If anything goes wrong throughout this process, ComCrypt alerts the user with some error message informing about the part that threw the error. Otherwise, it yields a message saying that the data has been compressed successfully. The reverse process shares the same philosophy.
Currently, ComCrypt at its first version so its scope is a bit limited (e.g., it handles only a single data object per file). However, there are ways to make it more usable and useful. In any case, it’s already a useful little tool for keeping your data safe when working in the Julia environment. Also, it’s very light on the dependencies (just one external library and a few Julia scripts). Cheers.
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Zacharias Voulgaris, PhD
Passionate data scientist with a foxy approach to technology, particularly related to A.I.