ctf crypto classic
In classical cryptography, we mainly introduce single-table alternative passwords, multi-table alternative passwords, and some other more interesting passwords.
在古典密码学中,我们主要介绍单表替代密码,多表替代密码,以及一些其它比较有意思的密码。 值得一提的是,在古典密码学中,设计者主要考虑消息的保密性,使得只有相关密钥
简单地说就是根据给定的字符在键盘上的样子来进行加密。 0CTF 2014 classic¶. 小丁丁发现自己置身于一个诡异的房间,面前只有一扇刻着奇怪字符的门。
The letters are not shifted from flag by the same amount, so the cryptosystem used is not a simple shift cipher like Caesar's, but probably a Vigenere cipher.
The purpose of this post is to provide an introduction to cryptography, ciphers, and encoding techniques commonly used in capture the flag (CTF) challenges.
A directory of crypto challenges happened in CTFs. The objective is to let CTF players on cryptography to identify challenges those they found interesting.
【标题】"ctf-crypto-js"是一个专为CTF(Capture The Flag)竞赛设计的加密工具网站,它使用JavaScript语言开发,旨在提供一个简洁、易用的平台,帮助参赛者