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
d4sh0326 Base64 10
d4sh0326 Hex 5
JenseenKai_Yu Modular Arithmetic 1 20
chen7chen Modular Arithmetic 1 20
fluoclone Chinese Remainder Theorem 40
WillEmma172904 Bytes and Big Integers 10
kumaresanh0805 Extended GCD 20
chen7chen Extended GCD 20
sopadepollo7 XOR Properties 15
d4sh0326 ASCII 5
chen7chen Greatest Common Divisor 15
d4sh0326 Great Snakes 3
WillEmma172904 Base64 10
d4sh0326 Finding Flags 2
chen7chen You either know, XOR you don't 30
dimpar Greatest Common Divisor 15
WillEmma172904 Hex 5
sopadepollo7 XOR Starter 10
nhatanh1105 Bringing It All Together 50
WillEmma172904 ASCII 5
mapem Bytes and Big Integers 10
A2RU No Random, No Bias 120
A2RU ProSign 3 100
nhatanh1105 Diffusion through Permutation 30
A2RU Curveball 100
A2RU Digestive 60
arealsquirrel LWE Intro 10
dkoazwlearning Triple DES 60
kilpom Quadratic Residues 25
sopadepollo7 Bytes and Big Integers 10
arealsquirrel LWE Background 5
arealsquirrel Backpack Cryptography 120
fluo73 Network Attacks 5
kilpom Modular Inverting 25
JenseenKai_Yu Extended GCD 20
hata Digestive 60
mrbloopbloop Keyed Permutations 5
kilpom Modular Arithmetic 2 20
kilpom Modular Arithmetic 1 20
mrbloopbloop Transparency 50
kilpom Extended GCD 20
mrbloopbloop SSH Keys 35
nhatanh1105 Confusion through Substitution 25
lilyjane Lemur XOR 40
mrbloopbloop CERTainly not 30
mapem Base64 10
sunnyg XOR Properties 15
mrbloopbloop Privacy-Enhanced Mail? 25
mapem Hex 5
temmavn Cipher Mode Picker (HKCERT CTF) 0

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