Solves

Data for the 50 most recent submitted challenge solves. To read writeups for our challenges, visit Solutions.
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Recent Solves
DateUserChallengeScore
deathknight PriMeD5 100
deathknight Megalomaniac 3 120
exoskellyman Modular Inverting 25
hasuke Quadratic Residues 25
muneerahmad Hex 5
muneerahmad ASCII 5
Reariuz Modular Arithmetic 1 20
rcelada Hex 5
Reariuz Extended GCD 20
salvador Finding Flags 2
m_ee_b You either know, XOR you don't 30
0xmhmdnsar RSA Decryption 20
m_ee_b Favourite byte 20
m_ee_b XOR Properties 15
Adeka228 The Matrix 75
txd0 Network Attacks 5
m_ee_b XOR Starter 10
m_ee_b Bytes and Big Integers 10
Raha7 Hex 5
m_ee_b Base64 10
WarSpore Lazy CBC 60
drnikos Passwords as Keys 50
0xmhmdnsar Private Keys 20
airconditioner4 Factoring 15
Reariuz Greatest Common Divisor 15
0xmhmdnsar Euler's Totient 20
learnercryptohac Legendre Symbol 35
Raha7 ASCII 5
Raha7 Great Snakes 3
m_ee_b Hex 5
m_ee_b ASCII 5
Raha7 Finding Flags 2
drnikos Modes of Operation Starter 15
WarSpore The Matrix 75
Adeka228 Script Kiddie 70
vzal0308 Twist and shout (ECSC 2023 (Norway)) 0
vzal0308 Tenet: The Plagarism (HKCERT CTF) 0
mpg Additive 70
drnikos Bringing It All Together 50
mgoldie Finding Flags 2
Adeka228 Static Client 2 120
Adeka228 Additive 70
Adeka228 Static Client 100
Adeka228 Export-grade 100
Aisultan Blinding Light 120
AndyVale Roll your Own 125
Adeka228 Parameter Injection 60
Aisultan Let's Decrypt Again 175
Adeka228 Deriving Symmetric Keys 40
Adeka228 Computing Shared Secrets 30

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