Just another security blog

Parsing the .DS_Store file format


About two years ago I came across a .DS_Store file and wanted to extract its information (e.g. file names). After researching the file format and its security implications,

Downloading SSH Keys via DNS


I recently came across a situation where I had to download my SSH public key over the internet, but without common tools like netcat or a webserver. Therefore, I decided

Using a Yubikey for GPG and SSH


It's been a long time since my last blogpost, but I'm back with a post about how to use your Yubikey 4 for GPG and SSH keys. What is a