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
dirtyDeedz Modular Inverting 25
dirtyDeedz Modular Arithmetic 2 20
dirtyDeedz Modular Arithmetic 1 20
ahm0dg Modular Arithmetic 1 20
LALA______2026 Extended GCD 20
dirtyDeedz Extended GCD 20
dirtyDeedz Greatest Common Divisor 15
bpaul Lemur XOR 40
kyuuaditya Base64 10
bpaul Encoding Challenge 40
wumkan Finding Flags 2
ahm0dg Extended GCD 20
kyuuaditya Hex 5
ubergum Favourite byte 20
kyuuaditya ASCII 5
anna_42 Resisting Bruteforce 10
bpaul RSA Decryption 20
bpaul Private Keys 20
anna_42 Keyed Permutations 5
rogdawg84 Great Snakes 3
bpaul Euler's Totient 20
bpaul Public Keys 15
bpaul Modular Exponentiation 10
bpaul Keyed Permutations 5
FLU Modular Binomials 80
Vuffi Network Attacks 5
anna_42 Transparency 50
ubergum XOR Properties 15
aress You either know, XOR you don't 30
2976942164 Working with Fields 10
2976942164 Generators of Groups 20
hakka52 Armory 100
anna_42 SSH Keys 35
2976942164 Blinding Light 120
yuliyost The Matrix Reloaded 100
hakka52 Nothing Up My Sleeve 150
g4dZ0r Chinese Remainder Theorem 40
anna_42 CERTainly not 30
NOSIC Legendre Symbol 35
takisgr XOR Starter 10
anna_42 Privacy-Enhanced Mail? 25
only Computing Public Values 25
only Generators of Groups 20
Askadu Lemur XOR 40
only Working with Fields 10
HappyChip Manyprime 40
only Modulus Inutilis 50
anna_42 Modular Inverting 25
anna_42 Modular Arithmetic 2 20
only Salty 20

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