utctf

UTCTF|[basic]crypto

#UTCTF https://ctftime.org/task/7796 https://furutsuki.hatenablog.com/entry/2019/03/11/203829#Cryptography-200ptsbasicscrypto

UTCTF|Tale of Two Cities

#UTCTF https://ctftime.org/task/7813 Looks like this book got a little messed up... there are some weird characters in there. by balex https://utctf.live/files/b9d45c82d82b23b8fddceb519b0c0bd7/tale-of-two-cities.txt Hint: hOpEfully thIS hi…

UTCTF|Alice Sends Bob a Meme

#UTCTF https://ctftime.org/task/7819

UTCTF|Jacobi’s Chance Encryption

#UTCTF https://ctftime.org/task/7803 Public Key 569581432115411077780908947843367646738369018797567841 Can you decrypt Jacobi’s encryption? def encrypt(m, pub_key): bin_m = ''.join(format(ord(x), '08b') for x in m) n, y = pub_key def encry…