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
yrighting Modular Arithmetic 1 20
zhubat Computing Public Values 25
B1ckb3etl3 You either know, XOR you don't 30
B1ckb3etl3 Favourite byte 20
zzm Legendre Symbol 35
B1ckb3etl3 XOR Properties 15
lalo404 Legendre Symbol 35
Kanad3 Confusion through Substitution 25
Xirius Chinese Remainder Theorem 40
B1ckb3etl3 XOR Starter 10
B1ckb3etl3 Bytes and Big Integers 10
Kanad3 Round Keys 20
aizer3 Modular Inverting 25
yrighting Extended GCD 20
Vinjr The Matrix Revolutions 125
B1ckb3etl3 Base64 10
Kanad3 Structure of AES 15
aizer3 Modular Arithmetic 2 20
rlaskadn XOR Starter 10
B1ckb3etl3 Hex 5
aizer3 Modular Arithmetic 1 20
shshshshsh888 XOR Starter 10
rlaskadn Bytes and Big Integers 10
B1ckb3etl3 ASCII 5
tyluudinh Secure Protocols 5
tyluudinh Authenticated Handshake 40
tyluudinh Decrypting TLS 1.3 35
tyluudinh Decrypting TLS 1.2 30
tyluudinh Saying Hello 20
tyluudinh TLS Handshake 15
tyluudinh Sharks on the Wire 10
Xirius Modular Square Root 35
tyluudinh JSON in JSON 40
tyluudinh RSA or HMAC? 35
tyluudinh JWT Secrets 25
tyluudinh No Way JOSE 20
tyluudinh JWT Sessions 10
tyluudinh Token Appreciation 5
exoq Monoprime 30
shshshshsh888 Bytes and Big Integers 10
rlaskadn Base64 10
rlaskadn Hex 5
B1ckb3etl3 Great Snakes 3
rlaskadn ASCII 5
yrighting Greatest Common Divisor 15
rlaskadn Great Snakes 3
rlaskadn Finding Flags 2
cipherBox08 Background Reading 5
0xs1nr Oracular Spectacular 150
shshshshsh888 Base64 10

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