bennyboer/diary
Digital diary with state-of-the-art encryption
go to github downloadDiary
A digital diary with state-of-the-art encryption.
Background
I feel like the days of traditional diaries are over.
Not only are they inconvenient to carry around, but they are also not very secure.
Thus, I decided to create a digital diary that is secure and easy to use.
Technology
The project is a local Desktop application that stores all data on the local file system.
All files in the repository are encrypted using the ChaCha20-Poly1305 cipher which uses a 256-Bit key.
That is plenty to protect your diary for the next years.
The key is derived from a password using the Argon2 algorithm, which is currently the recommended algorithm.
You can only decrypt the diary again using the same password.
In the future we might add support for a second factor like a FIDO2 key that offers a higher level of security.
If you want to save your data in the cloud you can bind a directory to a cloud storage service like Dropbox or Google
Drive.
Since your data is encrypted and the cloud service private your diary should be safe from prying eyes.
Installation
Build it yourself
cd client
flutter build windows
You’ll find the executable in client/build/windows/runner/Release/
.
Build Installer
flutter pub run msix:create
Usage
The app currently consists of a simple calendar that just shows whether a day has an entry or not.
When clicking on the day in the calendar you’ll be able to either create a new entry or edit an existing one (if you
know the password for decryption at least).
The encrypted diary entries are stored under your home directory in a folder named .diary
.
Getting started
Prerequisites
- Install Rust
- Install Flutter
- Install LLVM (https://pub.dev/packages/ffigen#installing-llvm)
Rebuilding Flutter <> Rust bridge
Run ./tools/build_bridge.sh
or ./tools/build_bridge.bat
depending on your OS
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