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13
PicoCTF Cryptography [Easy]Easy

13

#tutorial

Challenge Details

Screenshot 2025-08-10 095728

Analysis and Solution

The given cipher text is as follows

cvpbPGS{abg_gbb_onq_bs_n_ceboyrz}

This is encrypted with ROT13. ROT13, which stands for "rotate by 13 places," is a specific type of Caesar cipher where the shift value is always 13

ROT13

We can use online tools itself to solve this, one such is https://www.dcode.fr/rot-13-cipher

Just input the cipher text and click decrypt to get the flag

Screenshot 2025-08-10 100040