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
SDFDFSEE Confusion through Substitution 25
SDFDFSEE Round Keys 20
SDFDFSEE Structure of AES 15
Emzee Bytes and Big Integers 10
SDFDFSEE Resisting Bruteforce 10
SDFDFSEE Keyed Permutations 5
SDFDFSEE Lemur XOR 40
asepepepe Quadratic Residues 25
s3if Base64 10
SDFDFSEE Encoding Challenge 40
xiaoyuxuan Twisted CSIDH Isogenies 70
DDDDmmmm ECB CBC WTF 55
SDFDFSEE Transparency 50
SDFDFSEE SSH Keys 35
s3if Hex 5
s3if ASCII 5
s3if Great Snakes 3
wiz1106 Efficient Exchange 50
rizasrofi Finding Flags 2
s3if Finding Flags 2
SDFDFSEE CERTainly not 30
nnnhasan20 RSA Decryption 20
qwra Euler's Totient 20
qwra Public Keys 15
nnnhasan20 Private Keys 20
nnnhasan20 Euler's Totient 20
qwra Modular Exponentiation 10
mixyknez Finding Flags 2
wiz1106 Curves and Logs 40
asepepepe Modular Inverting 25
ph4ntom Transparency 50
nnnhasan20 Public Keys 15
SDFDFSEE Privacy-Enhanced Mail? 25
nnnhasan20 Modular Exponentiation 10
CyberMagShlomo Lemur XOR 40
defa The j-invariant 20
yoav_s Backpack Cryptography 120
hzy Background Reading 5
nnnhasan20 You either know, XOR you don't 30
regalast Broken RSA 100
wiz1106 Scalar Multiplication 35
nnnhasan20 Favourite byte 20
radare Cipher Mode Picker (HKCERT CTF) 0
regalast No Way Back Home 100
nnnhasan20 XOR Properties 15
regalast Modular Square Root 35
hzy Lazy CBC 60
regalast Legendre Symbol 35
wiz1106 Point Addition 30
hzy ECB Oracle 60

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