Solutions

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Recent Solutions
DateUserChallengeRating
ncsouza Greatest Common Divisor 0
pierre_c What's My Kernel 0
fssl Successive Powers 0
Lelle Broken RSA 0
_katana ECB Oracle 0
_katana ECB CBC WTF 0
_katana Passwords as Keys 0
_katana Bringing It All Together 0
_katana Diffusion through Permutation 0
auric Structure of AES 0
RM0x65 XOR Properties 0
mpg Extended GCD 0
strn Signing Server 0
tonyfrg Broken RSA 0
jergen85 Dancing Queen 0
ispo CTRIME 0
ispo ECB Oracle 0
CommandMaster C0ll1d3r (Firebird Internal CTF) 0
Mashi Modular Binomials 0
Mashi Adrien's Signs 0
Mashi Chinese Remainder Theorem 0
CommandMaster Share (HITCON CTF) 0
CommandMaster Blind (ECSC 2023 (Norway)) 0
CommandMaster RRSSAA (ECSC 2023 (Norway)) 0
KOREONE Three Isogenies 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 264
#2 oushanmu You either know, XOR you don't 203
#3 Robin_Jadoul Adrien's Signs 172
#4 bigtuple Favourite byte 154
#5 Robin_Jadoul Transparency 110
#6 D00Movenok You either know, XOR you don't 98
#7 Drago Crossed Wires 97
#8 amadeus Quadratic Residues 94
#9 obormot Greatest Common Divisor 92
#10 Flecart Legendre Symbol 88
#11 Robin_Jadoul Encoding Challenge 85
#12 Robin_Jadoul Structure of AES 81
#13 exp101t Modular Binomials 79
#14 StormXploit Favourite byte 73
#15 fecell Extended GCD 73
#16 thanoskoutr Modular Inverting 71
#17 Hon Modular Inverting 70
#18 ddddavidee Successive Powers 66
#19 aloof Exceptional Curves 55
#20 Daneallen Lemur XOR 53
#21 aloof Everything is Still Big 52
#22 aloof RSA Backdoor Viability 50
#23 shoaloak Lemur XOR 48
#24 GingerCarrot Extended GCD 45
#25 Retr0id ECB Oracle 44
#26 p4b Cofactor Cofantasy 43
#27 obormot Modular Arithmetic 1 43
#28 Drago Jack's Birthday Hash 42
#29 0xEmperor XOR Properties 42
#30 aloof Moving Problems 41
#31 R4GN4R Privacy-Enhanced Mail? 41
#32 Drago Adrien's Signs 40
#33 zademn Fast Primes 39
#34 boge Favourite byte 39
#35 josephs Cofactor Cofantasy 37
#36 T0t0r0 Parameter Injection 37
#37 aloof Ellipse Curve Cryptography 36
#38 shaloo Greatest Common Divisor 36
#39 Scalpel Private Keys 33
#40 Utaha Roll your Own 32
#41 hellman The Matrix Reloaded 32
#42 Likkrid Modular Square Root 32
#43 Drago Monoprime 32
#44 glgspg Round Keys 32
#45 randomdude999 Vote for Pedro 31
#46 aschanna123 Backpack Cryptography 31
#47 Drago Find the Lattice 31
#48 thanoskoutr Modular Arithmetic 2 31
#49 Robin_Jadoul Modular Binomials 29
#50 oushanmu Everything is Big 29

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