$ ctf42

#many-time-pad CTF challenges

2 CTF challenges using many-time-pad from 2 CTFs (2023–2025), 2 with writeups.

Crypto · 2

Often combined with

#race-condition 1 #keystream-reuse 1 #key-reuse 1

Challenges

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Challenge CTF Weight Category Has
Three-Time_Pad
#many-time-pad#key-reuse
 UIUCTF 2023 – Crypto files src wu 2
encrypted_chat
#many-time-pad#keystream-reuse#race-condition
 TPCTF 2025 – Crypto files wu 1