Extract only needed citations from large bibfiles
I like to use cryptobib, because it gives me consistent results and it contains almost everything relevant to me. However, as crypto.bib is over 725000 lines long, parsing it to …
Rephrasing TLS key exchange in terms of KEMs
In the RFC for TLS 1.3 (RFC8446) especially, the key exchange is defined in terms of (EC)DH key shares being exchanged. This limits us to algorithms which support non-interactive …
Using (post-quantum) KEMs in TLS 1.3
The new TLS 1.3 standard \[1\] does not yet provide any support for post-quantum algorithms. In this blog post we’ll be talking about how we could negotiate a post-quantum key …
Latincrypt paper!
I’m going to Cuba as my submission to Latincrypt 2017 was accepted! The paper is called Energy-efficient ARM64 Cluster with Cryptanalytic Applications: 80 cores that do not cost …
Securing OpenSSH
You can set up SSH to prefer Elliptic Curve cryptography over RSA, and use modern key exchange algorithms without exposing yourself to Logjam-style attacks. It’s also good to get …
Prøst at Student Research Conference
In July, Peter Schwabe, who supervised my Bachelor’s thesis project, suggested to submit my work to the Student Research Conference. It then turned out that the deadline was the …
Bitcoin private key qrcode scraper
Tegenlicht today had an episode about Bitcoin where they announced they were going to give away €100 in Bitcoin. They were going to put up a Bitcoin wallet private key as a QR-code …
Deprecating fields in MongoEngine Documents
I’ve had to rename some fields today with MongoEngine. Using the following approach, I was able to raise DeprecationWarnings when old version were used. Create the following …
Globally install powerline
Today I’ve tried to globally install Powerline. That was a bit of a pain because it has no global config files. Quick and dirty how-to: Add XDG_CONFIG_DIRS=/etc/xdg to …