凡事三思

The Question:Training: Stegano IThis is the most basic image stegano I can think of.Solution: download the pic, save as a.bmp. just execute: vim a.bmpand then..................

Question:Training: ASCII (Training, Encoding)Encodings - American Standard Code for Information InterchangeIn a computer, you can only work with numbers.In this challenge you have to dec

solution:Training: WWW-Robots (HTTP, Training)WWW-RobotsIn this little training challenge, you are going to learn about the Robots_exclusion_standard.The robots.txt file is used by web c

Crypto - Caesar IAs on most challenge sites, there are some beginner cryptos, and often you get started with the good old caesar cipher.I welcome you to the WeChall style of these training chall