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
cttg8217 Modular Square Root 35
yuyuchi RSA Signatures 25
Par2025 Modulus Inutilis 50
Par2025 Salty 20
pemula1 Quadratic Residues 25
Par2025 Manyprime 40
Owl_Cryptograph Euler's Totient 20
leon_k Favourite byte 20
Par2025 Monoprime 30
khanhtai Modulus Inutilis 50
khanhtai Salty 20
leon_k XOR Properties 15
zsnafu Legendre Symbol 35
khanhtai Signing Server 60
Owl_Cryptograph Public Keys 15
Par2025 Factoring 15
0xVnex Finding Flags 2
Owl_Cryptograph Modular Exponentiation 10
tcheidfome Bytes and Big Integers 10
Bgiman Ellipse Curve Cryptography 125
khanhtai Null or Never 100
Bgiman LWE Intro 10
Bgiman LWE Background 5
Bgiman Backpack Cryptography 120
Owl_Cryptograph Finding Flags 2
depro0x XOR Starter 10
depro0x Bytes and Big Integers 10
acidlog Lemur XOR 40
sefimiu Network Attacks 5
depro0x Base64 10
depro0x Hex 5
depro0x ASCII 5
Rumata88 Curveball 100
depro0x Great Snakes 3
depro0x Finding Flags 2
acidlog You either know, XOR you don't 30
sefimiu Quadratic Residues 25
Chaosdragon789 You either know, XOR you don't 30
DarthJewel XOR Properties 15
sefimiu Modular Inverting 25
Rumata88 Smooth Criminal 60
acidlog Favourite byte 20
ARM4da Quadratic Residues 25
neilcannon1965 Favourite byte 20
Chaosdragon789 Favourite byte 20
acidlog XOR Properties 15
Daman Hex 5
TheKnight Base64 10
Chaosdragon789 XOR Properties 15
acidlog XOR Starter 10

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