DEF CON 26 talk

Wed 29 August 2018 Nils Amiet

talks defcon cryptography big data

If you were in Las Vegas for DEF CON 26 this year you may have seen a talk I gave with my colleague Yolan Romailler about collecting public keys and breaking them.

The video will be uploaded to Youtube eventually and I will update this post with its link. For …

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Fri 30 June 2017 Nils Amiet

linux wireguard vpn security

I co-wrote a blog post on WireGuard with adr13n earlier this month.

Read it on

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Playing 10bit HEVC videos on Linux with NVIDIA and mpv

Fri 26 May 2017 Nils Amiet

linux hevc video

For this to work you will need an NVIDIA GPU.

Get the mpv-build scripts, tune the mpv and ffmpeg options and build:


mkdir -p ~/git
cd ~/git
git clone
cd mpv-build

# write mpv_options file
cat << EOF > mpv_options

# write ffmpeg_options file …

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Setting up gpg-agent

Sun 30 April 2017 Nils Amiet

linux gpg

On Arch gpg-agent comes with the gnupg package so no other package is needed if gpg is already installed.

I use gpg-agent for temporarily caching the PIN for my Yubikey so that I don't have to type it everytime as well as for ssh-agent emulation.


Add the following lines …

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Systemd tips and tricks

Sun 19 February 2017 Nils Amiet

linux systemd

Systemd is great. Here are a few things you can do with it.

Editing unit files

I usually can't remember where unit files are located but that's not an issue. Systemd will let you edit them just by knowing the unit name.

$ export SYSTEMD_EDITOR=vim
$ sudo -E systemctl edit --full …

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