JerseyCTF 2022 / crypto – would-you-wordle

Ulli Weichert/ April 10, 2022/ IT-Security, Write-Ups/ 0Kommentare

would-you-wordle Points: 250 Someone left this secret text string and unfinished Wordle. Can you put them together to get the flag? pUpPHg3KfB15MG2KGtQQMDEECPOF8oa3VA== Solving Okay lets have a look at it. The hint tells us something about "Ron’s code". This should be RC4 according to this: RC4 (for ‚Ron’s Code 4‘) is a stream cipher developed by Ronald L. Rivest in

Weiterlesen

JerseyCTF 2022 / crypto – new-algorithm

Ulli Weichert/ April 10, 2022/ IT-Security, Write-Ups/ 0Kommentare

new-algorithm Points: 75 On the first day of the job, a new cryptography intern is insisting to upper management that he developed a new encryption algorithm for the company to use for sensitive emails and should get a raise. This seems too good to be true… are you able to prove the intern wrong by decrypting it? Here’s an example

Weiterlesen