The fault in our DES

Published date : May 6, 2020, 11:44 p.m.

Our engineer did a differential fautl analysis on a smart card - or rather he began the attack.
He went on vacation before the data analysis, so now it's your task, first year intern.

We'll give you the plaintext, the ciphertext, and 32 faulted ciphertexts.
You need to recover the 64 bits key and to submit it in hexadecimal inside the 42CTF{} tag.

Example : 42CTF{1234567890ABCDEF}

Good luck.

Solved by

Username	Website	Score	Date
nicolaslekoala	https://epita.fr	370	Jan. 11, 2021, 12:59 p.m.
arpascal	https://arnaud.sh	1510	Jan. 31, 2021, 7:37 p.m.
Unactive		420	Oct. 30, 2021, 3:31 p.m.
42stillsucks	https://www.youtube.com/watch?v=hfTAv8htci8	965	Nov. 6, 2021, 11:58 p.m.
reveng	https://twitter.com/revengsh	750	Feb. 8, 2022, 9:15 p.m.
S_in	https://twitter.com/sin_infosec	805	March 10, 2022, 12:47 a.m.
clinche	https://github.com/clinche	1695	March 17, 2022, 5:45 p.m.
sam0verfl0w	https://github.com/Unam3dd	785	March 23, 2022, 1:36 p.m.
pixailz@420v3rfl0w	https://github.com/Pixailz	805	March 24, 2022, 11:39 a.m.
asoursou	https://github.com/ChuOkupai	470	July 8, 2022, 12:50 a.m.
Asterion64		320	Oct. 13, 2022, 9:28 p.m.
hsabir-xoreaxeax	https://github.com/lenartlola	1390	Oct. 18, 2022, 6:44 p.m.
riblanc		1145	Feb. 19, 2023, 5:10 p.m.
asarandi	https://github.com/asarandi	1695	May 8, 2023, 8:02 a.m.
MinjaeLee	https://github.com/MinjeaLee	1610	Oct. 30, 2024, 3:35 a.m.
ikkiw		935	May 25, 2025, 11:34 a.m.
WanZKey	https://github.com/WanZKey	240	Sept. 17, 2025, 6:54 p.m.
Dueshell		400	Dec. 22, 2025, 9:11 a.m.
Ardcord		1140	Jan. 6, 2026, 2:22 p.m.
skav	https://www.logogenie.fr	1655	Jan. 6, 2026, 3:14 p.m.
timatias	https://github.com/tiagomatias930/tiagomatias930	820	March 22, 2026, 4:24 a.m.
bouliboula		795	May 19, 2026, 8:40 a.m.