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Challenges

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14 challenges tagged #known-plaintext ✕ clear · browse all techniques

Challenge CTF Weight Category Has
Baby_Sharingan
#known-plaintext
 H7CTF 2025 22.56 Crypto files wu 1
Blocked2
#aes-ecb#known-plaintext
 WolvCTF 2024 35.25 Crypto files wu 1
Blue_Office
#lcg-keystream#seed-bruteforce#known-plaintext
 Crypto 2023 59.60 Misc files wu 1
Cereal_Killer_02
#reversing#xor-rotating-key#known-plaintext
 DEADFACE 2023 – Reverse files wu 2
rejected
#lfsr#rejection-sampling#known-plaintext#gf2-linear-system
 DiceCTF 2022 24.82 Crypto files wu 1
yor
#known-plaintext
 hxp 2022 – Crypto files wu 2
OTP2
#xor#known-plaintext
 BlueHens 2021 22.62 Crypto files wu 1
opisthocomus-hoazin
#known-plaintext
 HSCTF 2021 – Crypto files src wu 2
Tyrannosaurus_Rex
#known-plaintext
 HacktivityCon 2021 – Crypto files wu 3
malware
#aes-ctr#known-plaintext#keystream-reuse
 UMassCTF 2021 23.56 Crypto files wu 3
QR_Codebook
#ecb#known-plaintext
 VolgaCTF 2021 Quals 32.73 Crypto files wu 1
Real_Smooth
#stream-cipher#known-plaintext
 BuckeyeCTF 2023 34.50 Crypto files wu 2
Scrambled_Pizzeria
#known-plaintext#keystream-recovery
 TeamItaly 2023 24.88 Crypto files wu 1
Fake_Encryption
#des#ecb#block-reordering#known-plaintext
 WORMCON 2021 – Crypto files wu 1