xpepper

My notes on the video series "London vs Chicago TDD styles" by Uncle Bob And Sandro Mancuso

The git repo of the kata is here: https://github.com/sandromancuso/cleancoders_openchat/

The "starting-point" branch is where both implementations began: https://github.com/sandromancuso/cleancoders_openchat/tree/starting-point

• The 🇬🇧 "openchat-outside-in" branch captures the tomato by tomato history of the London approach.
• The 🇺🇸 "openchat-unclebob" branch captures the tomato by tomato history of the Chicago approach.

What I like about Sandro's style 👍

Neo23x0

# IMPORTANT!
# This gist has been transformed into a github repo 
# You can find the most recent version there:
# https://github.com/Neo23x0/auditd

#      ___             ___ __      __
#     /   | __  ______/ (_) /_____/ /
#    / /| |/ / / / __  / / __/ __  / 
#   / ___ / /_/ / /_/ / / /_/ /_/ /  
#  /_/  |_\__,_/\__,_/_/\__/\__,_/   

hellman

#-*- coding:utf-8 -*-
'''
DEF CON 2017 Quals - Godzilla (Reverse)
Timing attack on RSA decryption.
Based on http://www.cs.jhu.edu/~fabian/courses/CS600.624/Timing-full.pdf

Another solutions:
https://gist.github.com/nneonneo/367240ae2d8e705bb9173a49a7c8b0cd by b2xiao
https://gist.github.com/Riatre/caac24840b176cf843b3f66ad9a5eeaf by riatre

KyleHanslovan

whoami & hostname & ipconfig /all & net user /domain 2>&1 & net group /domain 2>&1 & net group "domain admins" /domain 2>&1 & net group "Exchange Trusted Subsystem" /domain 2>&1 & net accounts /domain 2>&1 & net user 2>&1 & net localgroup administrators 2>&1 & netstat -an 2>&1 & tasklist 2>&1 & sc query 2>&1 & systeminfo 2>&1 & reg query "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default" 2>&1

crowell

require 'pty'
require 'fileutils'

def execmd cmd
	begin
		PTY.spawn(cmd) do |r, w, pid|
			begin
				r.each { |line| print line;}
			rescue Errno::EIO
			end

Lense

Extract the key!

Written by RyanWithZombies

Update: The key is not "flag{ don't trust the Cheshire cat!! he works for the Queen of Hearts }". Sorry about that. It's an artifact from an easier version of this challenge. You need to extract key.jpg.

HINT:

CSAWLZ is a completely custom format! You won't find decompressing tools on the internet. We made it just for you. :)

maksverver

#!/usr/bin/env python3

for case in range(int(input())):
    N = int(input())
    grid = [ input() for _ in range(N) ]
    black = [ (r,c) for r in range(N) for c in range(N) if grid[r][c] == '#' ]
    (r1,c1),(r2,c2) = black[0], black[-1]
    size = r2 - r1 + 1
    rect = [ (r1+i,c1+j) for i in range(size) for j in range(size) ]
    print('Case #{}: {}'.format(case + 1, "YES" if rect == black else "NO"))

niw

/*
 * A simple libpng example program
 * http://zarb.org/~gc/html/libpng.html
 *
 * Modified by Yoshimasa Niwa to make it much simpler
 * and support all defined color_type.
 *
 * To build, use the next instruction on OS X.
 * $ brew install libpng
 * $ clang -lz -lpng16 libpng_test.c