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Mod 26
PicoCTF Cryptography [Easy]Easy

Mod 26

#tutorial

Challenge Description

Screenshot 2025-08-10 100530

Analysis and solution

We are given the following cipher text

cvpbPGS{arkg_gvzr_V'yy_gel_2_ebhaqf_bs_ebg13_hyLicInt}

The flag is encrypted with the ROT13 Cipher. This can be made clear by the image as shown

ROT13

To decrypt this we can use online tools, one such is https://www.dcode.fr/rot-13-cipher

Just input the ciphertext and click on decrypt to get the flag

Screenshot 2025-08-10 100912