Mathias Hall-Andersen rot256

PhD in Cryptography/CS. Kalmarunionen CTF player. Cofounder / cryptographer at ZKSecurity. Always building / breaking systems.

rot256 / gen-ff.sage

Created November 4, 2022 20:55

Sage script to generate an ark_ff field implementation

	import sys

	LIMB = 64

	mod = int(sys.argv[1]) if len(sys.argv) > 1 else 28948022309329048855892746252171976963363056481941560715954676764349967630337
	name = sys.argv[2] if len(sys.argv) > 2 else 'Fp'
	bits = int(mod).bit_length()
	limbs = (bits + LIMB - 1) // LIMB
	size = limbs * LIMB

rot256 / mem.sh

Created January 13, 2025 17:14

Script to track maximum memory of process and all childen using cgroups

	#!/bin/bash

	# Check if running as root
	if [ "$EUID" -ne 0 ]; then
	echo "Please run as root"
	exit 1
	fi

	# Check if a command was provided
	if [ $# -eq 0 ]; then

rot256 / public-key.asc

Created January 24, 2025 15:45

My PGP Key

	-----BEGIN PGP PUBLIC KEY BLOCK-----

	mQINBFdJtPsBEAD5nXy+MWGA5JjWMaT9Si8pgzSI8RTxHWxBTnun5pEqFMmNflhU
	k3FDCSvW5zdm5zccYH+bqoHX7hHuDl9IhCGhzgbiTtVOctQMz0DN5SBMVrrwz/zi
	aAxsYQT0pfWey4A7q6TSTZhToZOQH+mjR+b6p9w0t1HP73YqNjr7OEFBdaJS9RZG
	sxD142PubPn1PV2Db7xP+nXxPal884Okbwy2gjrITG91x9IoDYa6Z+RtVwM8E10/
	i8b6sGHXoN8Yk5adcj9NmXz2q2kVT7nGUr93mx0zzjDnYNEhFJg+gHyRB5W8ru5m
	9IaKyrHWLJZoGYYw6ttWX5Q8AyyTYWSZ58eChfAT+BKSLnTYLpYfpeWVXdpd4tyY
	nQqYGOn2gpBZtTzzRuyDX6ONnQVA/e6fFBCsOkSvUQ2mVALZq1VZ+DTmosTm6mbv
	tAwMfABALXYi5oiyPoyFO/P24/LC2tbgwrcHDXfJRmyI0B+3F6tk7RbXQjZn8cuE

rot256 / keys.txt

Created April 4, 2025 10:44

Keys

[email protected] AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIN1gpUMh//f4gyrQ4JgLdrFsv8sc8oCJBcjB5lpclpQCAAAABHNzaDo= rot256@digit