$ ctf42

#wiener-attack CTF challenges

7 CTF challenges using wiener-attack from 7 CTFs (2021–2025), 7 with writeups. Mostly Crypto (86%) and Misc (14%).

Crypto · 6 Misc · 1

Often combined with

#rsa 5 #small-private-exponent 1 #continued-fractions 1

Challenges

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Challenge CTF Weight Category Has
RSA-3
#rsa#wiener-attack
 DeconstruCT.F 2021 19.69 Crypto files wu 3
Really_Secure_Algorithm
#rsa#wiener-attack
 DawgCTF 2021 23.29 Crypto files wu 3
Lowkey_RSA
#wiener-attack
 L3akCTF 2025 24.43 Crypto files wu 2
Really_Secure_Apparently
#rsa#wiener-attack#small-private-exponent
 1337UP 2023 24.23 Crypto files wu 2
hot_diggity_dog
#wiener-attack
 BlueHens 2021 22.62 Crypto files wu 1
DoRSA
#rsa#wiener-attack#continued-fractions
 Crypto 2021 36.00 Misc files wu 1
Fancy_e
#rsa#wiener-attack
 Srdnlen 2022 24.17 Crypto files wu 1