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
ZanCTF Size and Basis 15
CYDF1121 Hex 5
rootedX Greatest Common Divisor 15
ZanCTF Vectors 10
Kirby_1234 Finding Flags 2
funday Modular Inverting 25
IronmanPhantom XOR Starter 10
rasamhack Bytes and Big Integers 10
_yahia Confusion through Substitution 25
CYDF1121 ASCII 5
asfd98123rejk LWE High Bits Message 15
IronmanPhantom Bytes and Big Integers 10
DhamoZx Diffusion through Permutation 30
funday Modular Arithmetic 2 20
hack_use_math Flipping Cookie 60
Fath XOR Properties 15
funday Modular Arithmetic 1 20
CYDF1121 Base64 10
funday Extended GCD 20
youk1ch Modular Binomials 80
funday Greatest Common Divisor 15
youk1ch Adrien's Signs 80
funday Lemur XOR 40
rasamhack Base64 10
youk1ch Chinese Remainder Theorem 40
avm Pairing-Based Cryptography 50
youk1ch Modular Square Root 35
Jin_Woo Greatest Common Divisor 15
CryptoCrusader Greatest Common Divisor 15
youk1ch Legendre Symbol 35
youk1ch Quadratic Residues 25
youk1ch Modular Inverting 25
youk1ch Modular Arithmetic 2 20
youk1ch Modular Arithmetic 1 20
rasamhack Hex 5
youk1ch Extended GCD 20
youk1ch Greatest Common Divisor 15
SyedAliUlHaq24 Base64 10
funday You either know, XOR you don't 30
vpn_browse Keyed Permutations 5
funday Favourite byte 20
youk1ch You either know, XOR you don't 30
SyedAliUlHaq24 Hex 5
Ariadna JSON in JSON 40
youk1ch Favourite byte 20
youk1ch XOR Properties 15
funday XOR Properties 15
youk1ch XOR Starter 10
CYDF1121 Network Attacks 5
youk1ch Bytes and Big Integers 10

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