Solutions

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Recent Solutions
DateUserChallengeRating
Nicole254 Computing Shared Secrets 0
ispo MD0 0
ispo Sign in Please (HKCERT CTF) 0
infernosalex A Joke Cipher (HKCERT CTF) 0
ConnorM Lack of Entropy (Firebird Internal CTF) 1
nidanpoudel Curveball 0
Link Oracular Spectacular 0
Supto69 Greatest Common Divisor 0
MohamadAli Noise Cheap 0
MohamadAli No Random, No Bias 0
strn Salty 0
minutus Encoding Challenge 0
liquefy746 Montgomery's Ladder 0
liquefy746 Point Addition 0
almantare Let's Prove It Again 0
Wolverine Lemur XOR 0
Vyper Lemur XOR 0
Francesco Bean Counter 0
EllipticCerberus Favourite byte 0
Vyper Modular Inverting 0
Vyper Modular Arithmetic 2 0
nidanpoudel Generators of Groups 0
rod9 Encoding Challenge 0
mpppp7 Gotta Go Fast 0
AlexAlexAlex Symmetry 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 242
#2 oushanmu You either know, XOR you don't 186
#3 Robin_Jadoul Adrien's Signs 159
#4 bigtuple Favourite byte 143
#5 Robin_Jadoul Transparency 105
#6 Drago Crossed Wires 92
#7 Robin_Jadoul Encoding Challenge 85
#8 D00Movenok You either know, XOR you don't 85
#9 amadeus Quadratic Residues 81
#10 obormot Greatest Common Divisor 81
#11 Flecart Legendre Symbol 77
#12 exp101t Modular Binomials 75
#13 Hon Modular Inverting 75
#14 Robin_Jadoul Structure of AES 75
#15 fecell Extended GCD 69
#16 StormXploit Favourite byte 68
#17 thanoskoutr Modular Inverting 62
#18 ddddavidee Successive Powers 59
#19 aloof Exceptional Curves 52
#20 aloof Everything is Still Big 51
#21 Daneallen Lemur XOR 51
#22 aloof RSA Backdoor Viability 48
#23 shoaloak Lemur XOR 43
#24 aloof Moving Problems 40
#25 p4b Cofactor Cofantasy 40
#26 Retr0id ECB Oracle 40
#27 R4GN4R Privacy-Enhanced Mail? 40
#28 Drago Jack's Birthday Hash 40
#29 Drago Adrien's Signs 38
#30 zademn Fast Primes 38
#31 obormot Modular Arithmetic 1 38
#32 josephs Cofactor Cofantasy 36
#33 GingerCarrot Extended GCD 36
#34 0xEmperor XOR Properties 36
#35 aloof Ellipse Curve Cryptography 35
#36 T0t0r0 Parameter Injection 33
#37 boge Favourite byte 33
#38 Scalpel Private Keys 32
#39 Utaha Roll your Own 30
#40 hellman The Matrix Reloaded 30
#41 shaloo Greatest Common Divisor 30
#42 randomdude999 Vote for Pedro 29
#43 aschanna123 Backpack Cryptography 29
#44 Robin_Jadoul Modular Binomials 29
#45 Drago Monoprime 29
#46 Drago Find the Lattice 28
#47 glgspg Round Keys 28
#48 thanoskoutr Modular Arithmetic 2 28
#49 unblvr Hash Stuffing 27
#50 Likkrid Modular Square Root 27

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