#meet-in-the-middle (mitm) CTF challenges
Also written as mitm.
13 CTF challenges using meet-in-the-middle (mitm) from 12 CTFs (2020–2026), 13 with writeups. Mostly Crypto (62%) and Reverse (23%).
Crypto · 8 Reverse · 3 Web · 1 Pwn · 1
Often combined with
#android-native-reversing 1 #knapsack 1 #garbled-circuits 1 #jwt 1 #command-injection 1 #weak-diffie-hellman 1 #arp-spoofing 1 #linear-algebra 1 #aes 1 #bruteforce 1 #diffie-hellman 1 #block-cipher 1 #anti-debugging 1
Challenges
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| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| parallel-the-m0le | m0leCon 2021 Quals | 24.55 | Reverse | files wu 3 |
| Calculator | TAMUctf 2021 | – | Pwn | files wu 3 |
| MeetMeInMiddle | OFPPT 2022 | – | Crypto | files wu 2 |
| Knapsack | BackdoorCTF 2023 | – | Crypto | files wu 2 |
| shares_v2 | TetCTF 2022 | 36.72 | Crypto | files wu 1 |
| Tridea | VolgaCTF 2024 Quals | 35.91 | Reverse | files wu 1 |
| 4ES | CrewCTF 2024 | 26.89 | Crypto | files wu 1 |
| Alternating_key_exchange | m0leCon 2021 Quals | 24.55 | Crypto | files wu 1 |
| garbled | DiceCTF 2021 | 24.82 | Crypto | files wu 1 |
| MiTM | Securinets 2021 Quals | 41.71 | Crypto | files wu 1 |
| MoozChat | PlaidCTF 2020 | 93.15 | Web | files wu 1 |
| Boring_APK | BKISC 2026 | – | Reverse | files wu 1 |
| 4aes | Defcamp 2023 Quals | – | Crypto | files wu 1 |