New Caesar | 60 points Tags: AUTHOR: MADSTACKSDescription We found a brand new type of encryption, can you break the secret code? (Wrap with picoCTF{}) lkmjkemjmkiekeijiiigljlhilihliikiliginliljimiklligljiflhiniiiniiihlhilimlhijil new_caes…

Easy Peasy | 40 points Tags: AUTHOR: MADSTACKSDescription A one-time pad is unbreakable, but can you manage to recover the flag? (Wrap with picoCTF{}) nc mercury.picoctf.net 58913 otp.pyotp.py #!/usr/bin/python3 -u import os.path KEY_FILE …

Mind your Ps and Qs | 20 points Tags: AUTHOR: SARA Description In RSA, a small e value can be problematic, but what about N? Can you decrypt this? values# cat values Decrypt my super sick RSA: c: 8430448976638478414763197116397728613903293…

暇つぶしにpicoCTF 2021を解いていく。Mod 26 | 10 points Tags: AUTHOR: PANDUDescription Cryptography can be easy, do you know what ROT13 is? cvpbPGS{arkg_gvzr_V'yy_gel_2_ebhaqf_bs_ebg13_nSkgmDJE} # cat 01.txt cvpbPGS{arkg_gvzr_V'yy_gel_2_ebh…