cryptography

ØxOPOSɆC - Don Joe [Crypto]

Don Joe insists his site is as secure as can be! Can you prove that the best web dev of all time is wrong?" URL: https://don-joes-blog.herokuapp.com/ There are two flagsDon Joe's Blog has a very simple interface and lists only 4 blog posts: Clicking on the articles

cryptography

ØxOPOSɆC - Secrets [Crypto]

We all have secrets! And sometimes we need to share them with our online friends, safely... That's easy! - Just implement a very secure, hackerproof™ secret sharing web application!" URL: https://secret.mbie.meWhen you access the website you see the following page: Entering random data on the input field

crypto

ØxOPOSɆC | Underground Leaks (Crypto) - Part II

Write-up for the second part of the Underground Leaks saga, that includes DTMF and Multi-tap Cipher.

crypto

HTB Crypto Challenge | Bank Heist

Write-up for retired HTB crypto challenge that involves Multi-tap code and Atbash Cipher.

cryptography

ØxOPOSɆC Crypto Challenges 2019

Write-up for ØxOPOSɆC crypto challenge that involves AES in CTR mode.

cryptography

Solving the 'Ghost in the Wires' ciphers

Before I was even done reading Ghost in the Wires, I had to start solving the little ciphers that introduce each chapter. I know there are probably hundreds of solutions online, but I really wanted to see if I could solve them on my own and learn a few new