Solutions

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Recent Solutions
DateUserChallengeRating
diu RSA or HMAC? 0
hrewish Modular Arithmetic 1 0
hrewish Greatest Common Divisor 0
ThePigeonKing XOR Properties 0
ispo Invariant 0
alienkeric Modular Binomials 0
konnosT Encoding Challenge 0
fssl Gotta Go Fast 0
fssl Bruce Schneier's Password 0
fssl JSON in JSON 0
fssl RSA or HMAC? 0
fssl No Leaks 0
fssl Stream of Consciousness 0
ichybell Favourite byte 0
nikifkon CTRIME 0
fssl Export-grade 0
fssl Efficient Exchange 0
xtea418 No Leaks 0
fssl Jack's Birthday Hash 0
G__r00t Unencryptable 0
0x0w1z Quadratic Residues 0
Nilsman Quadratic Residues 0
fssl Parameter Injection 0
fssl Blinding Light 0
fssl Signing Server 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 254
#2 oushanmu You either know, XOR you don't 191
#3 Robin_Jadoul Adrien's Signs 168
#4 bigtuple Favourite byte 149
#5 Robin_Jadoul Transparency 105
#6 Drago Crossed Wires 95
#7 D00Movenok You either know, XOR you don't 89
#8 amadeus Quadratic Residues 86
#9 Robin_Jadoul Encoding Challenge 84
#10 obormot Greatest Common Divisor 84
#11 Flecart Legendre Symbol 81
#12 exp101t Modular Binomials 77
#13 Robin_Jadoul Structure of AES 77
#14 StormXploit Favourite byte 73
#15 Hon Modular Inverting 71
#16 fecell Extended GCD 70
#17 thanoskoutr Modular Inverting 67
#18 ddddavidee Successive Powers 61
#19 aloof Exceptional Curves 54
#20 aloof Everything is Still Big 52
#21 Daneallen Lemur XOR 52
#22 aloof RSA Backdoor Viability 48
#23 shoaloak Lemur XOR 45
#24 Retr0id ECB Oracle 42
#25 p4b Cofactor Cofantasy 41
#26 aloof Moving Problems 40
#27 R4GN4R Privacy-Enhanced Mail? 40
#28 obormot Modular Arithmetic 1 40
#29 Drago Jack's Birthday Hash 40
#30 Drago Adrien's Signs 39
#31 GingerCarrot Extended GCD 39
#32 0xEmperor XOR Properties 39
#33 zademn Fast Primes 38
#34 josephs Cofactor Cofantasy 36
#35 boge Favourite byte 36
#36 aloof Ellipse Curve Cryptography 35
#37 shaloo Greatest Common Divisor 35
#38 T0t0r0 Parameter Injection 34
#39 Scalpel Private Keys 32
#40 Utaha Roll your Own 31
#41 aschanna123 Backpack Cryptography 31
#42 hellman The Matrix Reloaded 31
#43 glgspg Round Keys 31
#44 randomdude999 Vote for Pedro 30
#45 Drago Monoprime 30
#46 Drago Find the Lattice 29
#47 Likkrid Modular Square Root 29
#48 Robin_Jadoul Modular Binomials 28
#49 oushanmu Everything is Big 28
#50 deuterium CERTainly not 28

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