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picoCTF: Mod 26

picoCTF, writeup, cryptography

Info #

Problem link - picoCTF: Mod 26

Solution #

Here is the encrypted text which is encrypted using ROT13.

cvpbPGS{arkg_gvzr_V'yy_gel_2_ebhaqf_bs_ebg13_uJdSftmh}

Just use any ROT13 decrypter to decrypt the text given above. You can use online tools or use your terminal to do the task.

Use can use python in addition to codecs library to decrypt the given cipher text using terminal.

import codecs 
ct = 'cvpbPGS{arkg_gvzr_V\'yy_gel_2_ebhaqf_bs_ebg13_uJdSftmh}'
print(codecs.encode(ct, 'rot_13'))

Flag #

Here is the flag -

picoCTF{next_time_I'll_try_2_rounds_of_rot13_hWqFsgzu}