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
jakublaz RSA vs RNG 150
jakublaz Trust Games 150
GameCity Adrien's Signs 80
jakublaz Lo-Hi Card Game 120
jakublaz No Random, No Bias 120
desertsailor You either know, XOR you don't 30
jose_enrique Modular Inverting 25
Elineeman Honest Verifier Zero Knowledge 30
desertsailor Encoding Challenge 40
176833 Monoprime 30
silentedge Base64 10
Kania ASCII 5
176833 Factoring 15
silentedge Hex 5
jose_enrique Modular Arithmetic 2 20
Kania Great Snakes 3
silentedge ASCII 5
Kania Finding Flags 2
silentedge Great Snakes 3
vvxint5421 XOR Properties 15
176833 RSA Signatures 25
silentedge Finding Flags 2
AbdulSattar Finding Flags 2
176833 RSA Decryption 20
176833 Private Keys 20
176833 Euler's Totient 20
176833 Public Keys 15
behexded Adrien's Signs 80
176833 Modular Exponentiation 10
Mocny Finding Flags 2
Holzarim Modular Square Root 35
176833 Bean Counter 60
Beethoven3 Signing Server 60
sianum You either know, XOR you don't 30
176833 Symmetry 50
176833 Flipping Cookie 60
pati123abc Great Snakes 3
176833 ECB CBC WTF 55
176833 ECB Oracle 60
HerVin You either know, XOR you don't 30
pati123abc Finding Flags 2
176833 Passwords as Keys 50
176833 Modes of Operation Starter 15
behexded Chinese Remainder Theorem 40
Stabgoblin XOR Properties 15
176833 Bringing It All Together 50
Jaqueline You either know, XOR you don't 30
Jaqueline Favourite byte 20
176833 Diffusion through Permutation 30
Haydara Favourite byte 20

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