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
gittyasois Modular Exponentiation 10
archex Efficient Exchange 50
cryptoRiO No Random, No Bias 120
bobiealice Resisting Bruteforce 10
bobiealice Keyed Permutations 5
ds0xxd3r Quadratic Residues 25
Meri Hex 5
Antonio_margaret Greatest Common Divisor 15
ds0xxd3r Modular Inverting 25
moritzraho Adrien's Signs 80
ds0xxd3r Modular Arithmetic 2 20
andrearacc You either know, XOR you don't 30
andrearacc Favourite byte 20
andrearacc XOR Properties 15
andrearacc XOR Starter 10
liangmeigang Elliptic Nodes 150
andrearacc Bytes and Big Integers 10
rad0xus Chinese Remainder Theorem 40
V444 ASCII 5
V444 Great Snakes 3
nighty_night Encoding Challenge 40
JoeBiden Modular Inverting 25
hassan_kulu Export-grade 100
rad0xus Modular Square Root 35
hassan_kulu Parameter Injection 60
andrearacc Base64 10
hassan_kulu Deriving Symmetric Keys 40
hassan_kulu Computing Shared Secrets 30
hassan_kulu Computing Public Values 25
hassan_kulu Generators of Groups 20
andrearacc Hex 5
NioZow The j-invariant 20
hassan_kulu Working with Fields 10
Light_mellow Base64 10
hassan_kulu Modulus Inutilis 50
andrearacc ASCII 5
nighty_night Bytes and Big Integers 10
hassan_kulu Salty 20
hassan_kulu Manyprime 40
ds0xxd3r Modular Arithmetic 1 20
hassan_kulu Monoprime 30
hassan_kulu Factoring 15
Light_mellow Hex 5
f1023n Modular Arithmetic 1 20
hassan_kulu RSA Signatures 25
andrearacc Great Snakes 3
hassan_kulu RSA Decryption 20
hassan_kulu Private Keys 20
Light_mellow ASCII 5
rad0xus Legendre Symbol 35

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