Solutions

You may view, vote, and submit solutions for a challenge after you have solved it. Please see the FAQ for our policy on sharing solutions.
computer celebrating
Recent Solutions
DateUserChallengeRating
asfd98123rejk Chinese Remainder Theorem 0
asfd98123rejk Modular Square Root 0
asfd98123rejk Quadratic Residues 0
CodeKnight77 Favourite byte 0
CodeKnight77 XOR Properties 0
asfd98123rejk ProSign 3 0
asfd98123rejk Curveball 0
youssef_reda Successive Powers 0
youssef_reda Modular Square Root 0
youssef_reda Legendre Symbol 0
youssef_reda Quadratic Residues 0
youssef_reda Chinese Remainder Theorem 0
youssef_reda Smooth Criminal 0
youssef_reda Exceptional Curves 0
youssef_reda You either know, XOR you don't 0
youssef_reda Favourite byte 0
youssef_reda XOR Properties 0
youssef_reda Encoding Challenge 0
youssef_reda Lemur XOR 0
youssef_reda Curves and Logs 0
youssef_reda Efficient Exchange 0
youssef_reda Point Addition 0
youssef_reda Scalar Multiplication 0
youssef_reda Modular Arithmetic 2 -1
youssef_reda Modular Arithmetic 1 -1
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 344
#2 bigtuple Favourite byte 208
#3 Robin_Jadoul Adrien's Signs 206
#4 D00Movenok You either know, XOR you don't 119
#5 Robin_Jadoul Transparency 118
#6 obormot Greatest Common Divisor 113
#7 thanoskoutr Modular Inverting 112
#8 amadeus Quadratic Residues 111
#9 Flecart Legendre Symbol 109
#10 Drago Crossed Wires 107
#11 exp101t Modular Binomials 102
#12 Robin_Jadoul Encoding Challenge 90
#13 StormXploit Favourite byte 88
#14 Robin_Jadoul Structure of AES 88
#15 fecell Extended GCD 84
#16 ddddavidee Successive Powers 78
#17 0xEmperor XOR Properties 68
#18 Hon Modular Inverting 66
#19 aloof Exceptional Curves 61
#20 Daneallen Lemur XOR 58
#21 GingerCarrot Extended GCD 58
#22 aloof RSA Backdoor Viability 55
#23 aloof Everything is Still Big 55
#24 Retr0id ECB Oracle 53
#25 shoaloak Lemur XOR 53
#26 boge Favourite byte 53
#27 obormot Modular Arithmetic 1 50
#28 zademn Fast Primes 48
#29 shaloo Greatest Common Divisor 47
#30 p4b Cofactor Cofantasy 46
#31 Drago Adrien's Signs 46
#32 Drago Jack's Birthday Hash 46
#33 aloof Moving Problems 43
#34 aloof Ellipse Curve Cryptography 42
#35 Utaha Roll your Own 42
#36 T0t0r0 Parameter Injection 42
#37 Robin_Jadoul Modular Binomials 41
#38 R4GN4R Privacy-Enhanced Mail? 41
#39 thanoskoutr Modular Arithmetic 2 39
#40 Darumaseye Generators of Groups 39
#41 glgspg Round Keys 38
#42 josephs Cofactor Cofantasy 37
#43 ctfhacker Modular Square Root 37
#44 Likkrid Modular Square Root 37
#45 Scalpel Private Keys 37
#46 aschanna123 Backpack Cryptography 35
#47 trillian Vote for Pedro 34
#48 trillian Smooth Criminal 34
#49 Drago Monoprime 34
#50 grhkm Real Curve Crypto 33

Level Up

level up icon

You are now level Current level