$ ctf42

#i2c CTF challenges

2 CTF challenges using i2c from 2 CTFs (2021–2025), 2 with writeups.

Hardware · 2

Often combined with

#hardware 2 #eeprom 1 #logic-analyzer 1 #xor-decode 1 #spi 1

Challenges

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Challenge CTF Weight Category Has
Hidden_in_Flash UMassCTF 2025 48.38 Hardware files wu 1
A_Different_Type_of_Serial_Key CSAW 2021 Quals 20.54 Hardware files wu 1