I accidentally uninstalled a vault app from the Play Store that I was using to keep my encrypted data safe. The data is all intact and in its original size, but I can't access it now. I tried using ChatGPT for help, and it suggested renaming the files and checking the "magic number" of the file type, but none of that worked. The file names look something like "e-9cc7eef4-ee7c-481d-9ca6-1163b057bd03+1", and the content includes photos of my hair fall progress and videos with my girlfriend — nothing illegal. Is there a way to decrypt this data?
3 Answers
Have you tried just reinstalling the app and entering your passphrase? That might allow you to decrypt the vault directly if the app saved the data correctly.
Just a reminder, ChatGPT may not always give accurate advice on technical issues. It can sometimes fabricate details because it wants to provide an answer. So it’s good to cross-check.
Unfortunately, when you uninstall a vault app, the encryption keys are usually stored within the app itself. Since you've uninstalled it, you might have the files back, but without the keys, they stay encrypted. Your best chance is to reinstall the same app and see if it recognizes your old data folder. Just note, if the app kept its keys somewhere private, there’s not much you can do since breaking consumer-level encryption isn't really feasible.
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