Android Reverse Engineering for Data Science

Almost a year ago I started using an app called “Too Good To Go” (this article is not sponsored!). Its goal is to reduce food waste by allowing stores from all around Europe to sell their unsold products to the app users at a very small price. You usually pay 20 to 50% of the retail price, but the products have very short expiration dates and you don’t know what you will get beforehand.

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Battle Dev RegionsJob Novembre 2018 - Problème 5

Il y a quelques semaines s’est tenue la 12ème Battle Dev. J’ai décroché la 100e place tout pile, et bien que déçu par mon classement je trouve que les problèmes étaient de très bonne qualité, en particulier les deux plus difficiles dont je vais présenter la solution ici.

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IceCTF 2018 writeup - Hot or Not

I’ve been busy recently and couldn’t play CTFs as much as I used to, but IceCTF was such a good memory in 2016 that I really wanted to play their second edition !

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