# Reverse

## Reverse Engineering <a href="#reverse-engineering" id="reverse-engineering"></a>

### Java language

```
jd-gui
```

### Emulation of GBA

```
https://problemkaputt.de/no$gba.zip
https://mgba.io/downloads.html
https://github.com/SiD3W4y/GhidraGBA
```

### Identification of the file type

```
file <filename>
```

### xor file contents

[xor under the command line](https://github.com/dirtbags/fluffy)

```
cat password | xor 0xff > password.bin
```