CryptoTools1

Description

There are many fantastic resources easily available online that are very high quality. DCODE (https://www.dcode.fr/en) is one of these tools. Explore the DCODE website and see if you can find a tool that will help you identify and decode this ciphertext! Hint: Try reading about tools that are available on DCODE's main webpage.

Use The Tools

We are given a ciphertext sfgsxRGM{txxy_sfzxnsrfz_dsf_hjexsgdqg}

As suggested, let's use DCODE to help us identify and decode the cipher

Cipher IdentifierdCode_fr

We are given a few ciphers to try, and after some experimentation we find that the Affine cipher was used

Flag

retroCTF{good_resources_are_important}