OTP-1

Description

Sloved By: Pavani (@Paavani15793872)

Here we have an intersting challenge which involves brute forcing.

In the given file, code is given in php

Here we have two cipher texts, which are separated by @@

from this we can tell that all characters are uppercase letters.

repeated xor :

Here we have two cipher texts, try to built a code which allows uppercase letters and xor cipher texts and flag. till now we know that the flag = "UDCTF{" (with length = 6) Try to guess letters one by one and xor it with cipher texts accordingly.

Flag : UDCTF{w3lcome_t0_0ur_ctf}