Solutions

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Recent Solutions
DateUserChallengeRating
mirin Greatest Common Divisor 0
K1Z0L Too Many Errors 0
K1Z0L Noise Cheap 0
K1Z0L Missing Modulus 0
reyuki You either know, XOR you don't 0
montaoo Paper Plane 0
youdiscovered1t You either know, XOR you don't 0
reyuki XOR Properties 0
reyuki Favourite byte 0
KOREONE SIDH Key Exchange 0
KOREONE Abelian SIDH 0
Darshit2802 Bringing It All Together 0
TanR Moving Problems 0
TanR ProSign 3 0
TanR Curveball 0
Nhan_LAPTOP CSIDH Key Exchange 0
nono40 Adrien's Signs 1
nullablevoidptr Let's Decrypt 0
TanR Montgomery's Ladder 0
Ashpect Mister Saplins The Prover 0
g2f1 Pad Thai 0
TanR Bean Counter 0
TanR Symmetry 0
TanR Flipping Cookie 0
sacsrfice Greatest Common Divisor 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 288
#2 oushanmu You either know, XOR you don't 237
#3 Robin_Jadoul Adrien's Signs 196
#4 bigtuple Favourite byte 174
#5 Robin_Jadoul Transparency 115
#6 D00Movenok You either know, XOR you don't 108
#7 Drago Crossed Wires 103
#8 obormot Greatest Common Divisor 103
#9 amadeus Quadratic Residues 101
#10 Flecart Legendre Symbol 99
#11 thanoskoutr Modular Inverting 93
#12 exp101t Modular Binomials 88
#13 Robin_Jadoul Encoding Challenge 87
#14 Robin_Jadoul Structure of AES 85
#15 StormXploit Favourite byte 82
#16 fecell Extended GCD 82
#17 ddddavidee Successive Powers 72
#18 Hon Modular Inverting 66
#19 aloof Exceptional Curves 60
#20 Daneallen Lemur XOR 56
#21 aloof RSA Backdoor Viability 55
#22 aloof Everything is Still Big 54
#23 Retr0id ECB Oracle 52
#24 0xEmperor XOR Properties 52
#25 shoaloak Lemur XOR 51
#26 GingerCarrot Extended GCD 51
#27 obormot Modular Arithmetic 1 49
#28 boge Favourite byte 47
#29 p4b Cofactor Cofantasy 45
#30 Drago Jack's Birthday Hash 44
#31 aloof Moving Problems 43
#32 Drago Adrien's Signs 43
#33 zademn Fast Primes 43
#34 T0t0r0 Parameter Injection 43
#35 R4GN4R Privacy-Enhanced Mail? 42
#36 aloof Ellipse Curve Cryptography 41
#37 Utaha Roll your Own 41
#38 Robin_Jadoul Modular Binomials 39
#39 shaloo Greatest Common Divisor 39
#40 josephs Cofactor Cofantasy 37
#41 thanoskoutr Modular Arithmetic 2 37
#42 Darumaseye Generators of Groups 37
#43 glgspg Round Keys 35
#44 aschanna123 Backpack Cryptography 34
#45 Likkrid Modular Square Root 34
#46 Drago Monoprime 34
#47 Scalpel Private Keys 34
#48 grhkm Real Curve Crypto 33
#49 trillian Vote for Pedro 33
#50 hellman The Matrix Reloaded 32

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