$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
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Must have
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36 challenges · browse all techniques

Challenge CTF Weight Category Has
Barry
#bigram-substitution#cryptogram
 PatriotCTF 2022 24.52 Crypto files src wu 1
ComicallyBadCrypto
#padding-oracle#aes-cbc#bit-flipping
 PatriotCTF 2022 24.52 Crypto files wu 1
CorruptAAAAd
#rsa#corrupted-private-key#public-exponent-bruteforce
 PatriotCTF 2022 24.52 Crypto files wu 2
Cowsay
#repeating-key-xor#xortool
 PatriotCTF 2022 24.52 Crypto files src wu 1
Cryptogod
#cbc-mac-forgery
 PatriotCTF 2022 24.52 Crypto files src wu 1
ExtremelyCoolBook
#aes-ecb#ecb-oracle#padding
 PatriotCTF 2022 24.52 Crypto files src wu 1
Fly
#swipe-typing#keyboard-trace
 PatriotCTF 2022 24.52 Crypto files wu 1
Merkle-Derkle
#hash-length-extension#sha1
 PatriotCTF 2022 24.52 Crypto files wu 1
TwoFifty
#rsa#known-factorization
 PatriotCTF 2022 24.52 Crypto files src wu 1
Cipher_from_Hell PatriotCTF 2025 – Crypto files
Matrix_Reconstruction PatriotCTF 2025 – Crypto files
Nonce_Twice_Pay_the_Price PatriotCTF 2025 – Crypto files
Password_Palooza PatriotCTF 2025 – Crypto files
Vibe_Bank_Vault PatriotCTF 2025 – Crypto files
Bigger_is_Better PatriotCTF 2024 31.83 Crypto files
Bit_by_Bit PatriotCTF 2024 31.83 Crypto files
Hard_to_Implement PatriotCTF 2024 31.83 Crypto files
High_Roller PatriotCTF 2024 31.83 Crypto files
Melting_Tux PatriotCTF 2024 31.83 Crypto files
One_for_you_one_for_me PatriotCTF 2024 31.83 Crypto files
Protected_Console PatriotCTF 2024 31.83 Crypto files
Scrambler_V2 PatriotCTF 2024 31.83 Crypto files
Textbook_Schnorr_right PatriotCTF 2024 31.83 Crypto files
idk_cipher PatriotCTF 2024 31.83 Crypto files
Breakfast_club PatriotCTF 2023 24.52 Crypto files src
Mason_Competitive_Cyber PatriotCTF 2023 24.52 Crypto files
Mason_Competitive_Cyber_2 PatriotCTF 2023 24.52 Crypto files
Multi_numeral PatriotCTF 2023 24.52 Crypto files
My_phone PatriotCTF 2023 24.52 Crypto files
ReReCaptcha PatriotCTF 2023 24.52 Crypto files
Secret_Wall_Code PatriotCTF 2023 24.52 Crypto files
Base64Times10 PatriotCTF 2022 24.52 Crypto files src
Eetthheerr PatriotCTF 2022 24.52 Crypto files
MagicSmoke PatriotCTF 2022 24.52 Crypto files
NoPostcodeEnvy PatriotCTF 2022 24.52 Crypto files
TheOrder PatriotCTF 2022 24.52 Crypto files