0xack13

Client-side SSL

For excessively paranoid client authentication.

Original: https://gist.github.com/mtigas/952344

Convert SSL certificate from CRT format to PEM

openssl x509 -in server.crt -out server.der -outform DER
openssl x509 -in server.der -inform DER -out server.pem -outform PEM

1devm0

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
 
typedef uint8_t u08;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int32_t i32;

fatih

Poly File Layer

Idea: A single file content to represent a set of identical or similar files. 
* Files can be templated. Files generated by the template are identical in the PFL (Poly File Layer)
* Files that have common lines, can be linked and marked as a Poly File. 

Prior Art
* [ ] Read the paper
* Extracting a Unified Directory Tree to Compare Similar Software Products: https://sel.ist.osaka-u.ac.jp/lab-db/betuzuri/archive/1012/1012.pdf
* Fast Search in Hamming Space with Multi-Index Hashing: http://www.cs.toronto.edu/~norouzi/research/papers/multi_index_hashing.pdf

0xack13

package main

import (
	"crypto/x509"
	"encoding/pem"
	"errors"
	"fmt"
	"golang.org/x/crypto/ssh"
	"io/ioutil"
	"net"

mehdi-farsi

trap("SIGINT") { exit! }

total_width = `stty size`.scan(/\d+/)[1].to_i # terminal width

snowflakes = {}

puts "\033[2J"; # clearing output

loop do
  snowflakes[rand(total_width)] = 0

rsms

#!/bin/sh
set -e

# Documentation and guides:
# https://docs.kernel.org/admin-guide/cgroup-v2.html
# https://lore.kernel.org/lkml/[email protected]/T/
# https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_monitoring_and_updating_the_kernel/using-cgroups-v2-to-control-distribution-of-cpu-time-for-applications_managing-monitoring-and-updating-the-kernel

# remove if already exists
[ -e /sys/fs/cgroup/test1 ] && rmdir /sys/fs/cgroup/test1

rsms

#!/bin/ash
# list installed packages sorted by file size

apk info -e -s \* >/tmp/apksize
awk 'NR % 3 == 1' /tmp/apksize | cut -d ' ' -f 1 > /tmp/apkname
awk 'NR % 3 == 2' /tmp/apksize > /tmp/apksize2

while read -r n unit; do
  B=$n
  case "$unit" in

apsun

package main

type lruNode[K comparable, V any] struct {
	prev  *lruNode[K, V]
	next  *lruNode[K, V]
	key   K
	value V
}

type LRUCache[K comparable, V any] struct {

rsms

./linelen_hist.sh src '*.c'
COLS COUNT
2    1317 ████████████████████████████████████████████████████████████▌
4    583  ██████████████████████████▏
6    500  ██████████████████████▎
8    253  ███████████▊
10   264  ████████████▊
12   448  ████████████████████▋
14   417  ███████████████████▌
16   476  █████████████████████▍

aaronNGi

#!/usr/bin/env bash
mapfile -t words < <(grep -x '[a-z]\{5\}' "${WORDLIST:-/usr/share/dict/words}")
word=${words[RANDOM % ${#words[@]}]} pool=abcdefghijklmnopqrstuvwxyz
for ((round=1; round <= ${ROUNDS:=6}; round++)); do
	while read -rp "$round/$ROUNDS: " guess || exit 1; do
		[[ " ${words[@]} " == *" ${guess,,} "* ]] && guess=${guess,,} && break
	done
	for ((i=0, chars=0; i < ${#word}; i++)); do
		[[ ${word:i:1} != ${guess:i:1} ]] && chars+=${word:i:1}
	done