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
Visitor001 Lemur XOR 40
FredK Finding Flags 2
PaulMcGinnis Jack's Birthday Confusion 30
lucy54 Lack of Entropy (Firebird Internal CTF) 0
F22 You either know, XOR you don't 30
yasmiiiiiiiiine Bringing It All Together 50
eternelman Legendre Symbol 35
PaulMcGinnis Jack's Birthday Hash 20
yasmiiiiiiiiine Diffusion through Permutation 30
Magixx XOR Properties 15
PaulMcGinnis Introduction to Isogenies 10
themoloch Bytes and Big Integers 10
yasmiiiiiiiiine Confusion through Substitution 25
DavidKrell Favourite byte 20
Visitor001 You either know, XOR you don't 30
yasmiiiiiiiiine Round Keys 20
yasmiiiiiiiiine Structure of AES 15
themoloch Base64 10
eternelman Quadratic Residues 25
Visitor001 Favourite byte 20
yasmiiiiiiiiine Resisting Bruteforce 10
PaulMcGinnis Gaussian Reduction 50
hafo Legendre Symbol 35
mee217 Extended GCD 20
eternelman Modular Inverting 25
themoloch Hex 5
Be_Ria1 Infinite Descent 50
Visitor001 XOR Properties 15
yasmiiiiiiiiine Keyed Permutations 5
eternelman Modular Arithmetic 2 20
PaulMcGinnis What's a Lattice? 40
PaulMcGinnis Gram Schmidt 30
themoloch ASCII 5
PaulMcGinnis Size and Basis 15
PaulMcGinnis Vectors 10
DavidKrell XOR Properties 15
eternelman Modular Arithmetic 1 20
themoloch Great Snakes 3
themoloch Finding Flags 2
Magixx XOR Starter 10
danncoh4 Base64 10
nmtshark You either know, XOR you don't 30
Visitor001 XOR Starter 10
danncoh4 Hex 5
eternelman Extended GCD 20
DavidKrell XOR Starter 10
danncoh4 ASCII 5
hanahiennguyen Bean Counter 60
SignalNet4 Confusion through Substitution 25
Mayaj Hex 5

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