$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

23 challenges · browse all techniques

Challenge CTF Weight Category Has
Crypto_101
#rsa-factordb
 MetaRed 2021 – Crypto files wu 1
I_got_my_drivers_license_last_week
#keyboard-shift-cipher
 MetaRed 2021 – Crypto files wu 1
Enkripter MetaRed 2021 – Crypto files wu 2
Baguette_Cipher MetaRed 2024 – Crypto files
Not_Confusion MetaRed 2024 – Crypto files
RSA_Keys MetaRed 2024 – Crypto files
The_biggest MetaRed 2024 – Crypto files
XOR_2_FibMODnacci MetaRed 2024 – Crypto files
XOR_3_Bugbounty_description MetaRed 2024 – Crypto files
XOR_4_Xormaster MetaRed 2024 – Crypto files
Comparation MetaRed 2022 – Crypto files
HideMessage0-1 MetaRed 2022 – Crypto files
Letter MetaRed 2022 – Crypto files
Mirror MetaRed 2022 – Crypto files
hidden_word MetaRed 2022 – Crypto files
1White0Black MetaRed 2021 – Crypto files
A_simple_challenge MetaRed 2021 – Crypto files
Decrypting_the_payload MetaRed 2021 – Crypto files
Hextraordinary_security MetaRed 2021 – Crypto files
Roman_encryption MetaRed 2021 – Crypto files
Treasure MetaRed 2021 – Crypto files
Tribute MetaRed 2021 – Crypto files
dogogram MetaRed 2021 – Crypto files