Solutions

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Recent Solutions
DateUserChallengeRating
r4sti Hamiltonicity 1 0
ispo No Difference 0
danieleven Jack's Birthday Hash 0
randomcatcoding Oh SNAP 0
ECM Missing Modulus 0
cryproman69 Marin's Secrets 0
Blank_0 Passwords as Keys 0
goreil Oracular Spectacular 0
K1Z0L Oh SNAP 0
danzyxd Chinese Remainder Theorem 0
danzyxd Extended GCD 0
Ectario What's My Kernel 0
takumim Proofs of Knowledge 0
fogo Extended GCD 0
negroHack Quadratic Residues 0
IamLeandro Lemur XOR 0
coderion Gotta Go Fast 0
ispo Twin Keys 0
Mahmoud_Sardina Structure of AES 0
ispo PriMeD5 0
ispo Hash Stuffing 0
klmn Sign in Please (HKCERT CTF) 0
lucas78 Favourite byte 0
klmn 2020 (TETCTF) 0
BotEncryptor You either know, XOR you don't 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 247
#2 oushanmu You either know, XOR you don't 189
#3 Robin_Jadoul Adrien's Signs 160
#4 bigtuple Favourite byte 143
#5 Robin_Jadoul Transparency 105
#6 Drago Crossed Wires 93
#7 D00Movenok You either know, XOR you don't 88
#8 Robin_Jadoul Encoding Challenge 85
#9 amadeus Quadratic Residues 82
#10 obormot Greatest Common Divisor 81
#11 Flecart Legendre Symbol 78
#12 Robin_Jadoul Structure of AES 76
#13 exp101t Modular Binomials 75
#14 Hon Modular Inverting 74
#15 StormXploit Favourite byte 69
#16 fecell Extended GCD 69
#17 thanoskoutr Modular Inverting 63
#18 ddddavidee Successive Powers 60
#19 aloof Exceptional Curves 52
#20 aloof Everything is Still Big 51
#21 Daneallen Lemur XOR 51
#22 aloof RSA Backdoor Viability 48
#23 shoaloak Lemur XOR 43
#24 Retr0id ECB Oracle 41
#25 aloof Moving Problems 40
#26 p4b Cofactor Cofantasy 40
#27 R4GN4R Privacy-Enhanced Mail? 40
#28 Drago Jack's Birthday Hash 40
#29 obormot Modular Arithmetic 1 39
#30 Drago Adrien's Signs 38
#31 zademn Fast Primes 38
#32 0xEmperor XOR Properties 37
#33 josephs Cofactor Cofantasy 36
#34 GingerCarrot Extended GCD 36
#35 aloof Ellipse Curve Cryptography 35
#36 boge Favourite byte 35
#37 T0t0r0 Parameter Injection 34
#38 Scalpel Private Keys 32
#39 Utaha Roll your Own 30
#40 aschanna123 Backpack Cryptography 30
#41 hellman The Matrix Reloaded 30
#42 Drago Monoprime 30
#43 thanoskoutr Modular Arithmetic 2 30
#44 shaloo Greatest Common Divisor 30
#45 randomdude999 Vote for Pedro 29
#46 Robin_Jadoul Modular Binomials 29
#47 Drago Find the Lattice 28
#48 glgspg Round Keys 28
#49 unblvr Hash Stuffing 27
#50 Likkrid Modular Square Root 27

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