Solutions

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Recent Solutions
DateUserChallengeRating
0x0w1z Modular Arithmetic 2 0
DishankSen Diffusion through Permutation 0
DishankSen Confusion through Substitution 0
DishankSen Round Keys 0
DishankSen Quadratic Residues 0
DishankSen Extended GCD 0
DishankSen Greatest Common Divisor 0
pre Quadratic Residues 0
ispo Mixed Up 0
IAnmar0 Infinite Descent 0
r4sti Ticket Maestro (CryptoHack) 1
r4sti Ticket Maestro 1
ispo WOTS Up 2 0
ispo WOTS Up 0
Gulabi_Dil Chinese Remainder Theorem 0
Gulabi_Dil Legendre Symbol 0
Lelle Pad Thai 0
ispo Merkle Trees 0
negroHack Legendre Symbol 0
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
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 251
#2 oushanmu You either know, XOR you don't 191
#3 Robin_Jadoul Adrien's Signs 162
#4 bigtuple Favourite byte 146
#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 83
#10 obormot Greatest Common Divisor 80
#11 Flecart Legendre Symbol 79
#12 exp101t Modular Binomials 76
#13 Robin_Jadoul Structure of AES 76
#14 Hon Modular Inverting 72
#15 StormXploit Favourite byte 69
#16 fecell Extended GCD 69
#17 thanoskoutr Modular Inverting 64
#18 ddddavidee Successive Powers 60
#19 aloof Exceptional Curves 53
#20 aloof Everything is Still Big 51
#21 Daneallen Lemur XOR 51
#22 aloof RSA Backdoor Viability 48
#23 shoaloak Lemur XOR 43
#24 p4b Cofactor Cofantasy 41
#25 Retr0id ECB Oracle 41
#26 aloof Moving Problems 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 38
#33 josephs Cofactor Cofantasy 36
#34 boge Favourite byte 36
#35 GingerCarrot Extended GCD 36
#36 aloof Ellipse Curve Cryptography 35
#37 T0t0r0 Parameter Injection 34
#38 Scalpel Private Keys 32
#39 aschanna123 Backpack Cryptography 31
#40 randomdude999 Vote for Pedro 30
#41 Utaha Roll your Own 30
#42 hellman The Matrix Reloaded 30
#43 Drago Monoprime 30
#44 thanoskoutr Modular Arithmetic 2 30
#45 shaloo Greatest Common Divisor 30
#46 Drago Find the Lattice 29
#47 Robin_Jadoul Modular Binomials 29
#48 glgspg Round Keys 28
#49 unblvr Hash Stuffing 27
#50 Likkrid Modular Square Root 27

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