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
ahmqd André Encoding 0
luffy84 Hash Stuffing 0
KOREONE Checkpoint 0
KOREONE Oracular Spectacular 0
KOREONE An Evil Twisted Mind 0
KOREONE Ticket Maestro 0
ispo Endless Emails 0
admelix XOR Properties 0
KOREONE Megalomaniac 2 0
KOREONE André Encoding 0
KOREONE Mister Saplin's Preview 0
KOREONE Breaking SIDH 0
dvck13 Bounded Noise 0
K1Z0L Beatboxer 0
Farkladin Favourite byte 0
SneakyFoxy Real Eisenstein 0
FelicitySmoak XOR Properties 0
MichaelWheel XOR Properties 0
0xMRvirus Greatest Common Divisor 0
Lienep Double and Broken 1
hattxes XOR Properties 0
Youmei295 Symmetry 0
0xvpr Legendre Symbol 0
Youmei295 ECB CBC WTF 0
wywyt213 Noise Free 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 293
#2 oushanmu You either know, XOR you don't 246
#3 Robin_Jadoul Adrien's Signs 199
#4 bigtuple Favourite byte 187
#5 Robin_Jadoul Transparency 116
#6 D00Movenok You either know, XOR you don't 111
#7 Drago Crossed Wires 105
#8 obormot Greatest Common Divisor 105
#9 amadeus Quadratic Residues 102
#10 Flecart Legendre Symbol 101
#11 thanoskoutr Modular Inverting 96
#12 exp101t Modular Binomials 93
#13 Robin_Jadoul Encoding Challenge 89
#14 Robin_Jadoul Structure of AES 86
#15 fecell Extended GCD 82
#16 StormXploit Favourite byte 81
#17 ddddavidee Successive Powers 72
#18 Hon Modular Inverting 66
#19 aloof Exceptional Curves 60
#20 Daneallen Lemur XOR 57
#21 0xEmperor XOR Properties 56
#22 aloof RSA Backdoor Viability 54
#23 aloof Everything is Still Big 54
#24 Retr0id ECB Oracle 52
#25 shoaloak Lemur XOR 52
#26 GingerCarrot Extended GCD 51
#27 boge Favourite byte 49
#28 obormot Modular Arithmetic 1 48
#29 p4b Cofactor Cofantasy 45
#30 Drago Adrien's Signs 45
#31 Drago Jack's Birthday Hash 44
#32 aloof Moving Problems 43
#33 zademn Fast Primes 43
#34 T0t0r0 Parameter Injection 43
#35 Utaha Roll your Own 42
#36 R4GN4R Privacy-Enhanced Mail? 42
#37 aloof Ellipse Curve Cryptography 41
#38 shaloo Greatest Common Divisor 41
#39 Robin_Jadoul Modular Binomials 40
#40 thanoskoutr Modular Arithmetic 2 38
#41 josephs Cofactor Cofantasy 37
#42 Darumaseye Generators of Groups 37
#43 aschanna123 Backpack Cryptography 35
#44 Likkrid Modular Square Root 35
#45 glgspg Round Keys 35
#46 ctfhacker Modular Square Root 34
#47 Drago Monoprime 34
#48 Scalpel Private Keys 34
#49 grhkm Real Curve Crypto 33
#50 trillian Vote for Pedro 33

Level Up

level up icon

You are now level Current level