Solutions

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Recent Solutions
DateUserChallengeRating
TanR Passwords as Keys 0
TanR Bringing It All Together 0
TanR Diffusion through Permutation 0
TanR Confusion through Substitution 0
TanR Round Keys 0
TanR Structure of AES 0
red_rabbit Jack's Birthday Confusion 0
cartermachiavell Legendre Symbol 0
yosihlpr Generators of Groups 0
dnelsaka An Exceptional Twisted Mind 0
Mashi Modulus Inutilis 0
Mashi Salty 0
T4QI The Good, The Pad, The Ugly 0
T4QI Pad Thai 0
Maverick06 Extended GCD 0
Maverick06 Greatest Common Divisor 0
Nhan_LAPTOP L-Win 0
ConnorM Decrypting TLS 1.2 0
Brolupyr777 XOR Properties 0
xtea418 Nativity 0
Etern1ty Efficient Exchange 0
haocrypto Extended GCD 0
haocrypto Favourite byte 0
haocrypto XOR Properties 0
KumaYuri365 Greatest Common Divisor 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 284
#2 oushanmu You either know, XOR you don't 229
#3 Robin_Jadoul Adrien's Signs 189
#4 bigtuple Favourite byte 166
#5 Robin_Jadoul Transparency 113
#6 D00Movenok You either know, XOR you don't 105
#7 Drago Crossed Wires 102
#8 obormot Greatest Common Divisor 99
#9 amadeus Quadratic Residues 98
#10 Flecart Legendre Symbol 97
#11 thanoskoutr Modular Inverting 89
#12 exp101t Modular Binomials 87
#13 Robin_Jadoul Encoding Challenge 87
#14 Robin_Jadoul Structure of AES 84
#15 StormXploit Favourite byte 81
#16 fecell Extended GCD 80
#17 ddddavidee Successive Powers 70
#18 Hon Modular Inverting 65
#19 aloof Exceptional Curves 59
#20 Daneallen Lemur XOR 56
#21 aloof Everything is Still Big 53
#22 aloof RSA Backdoor Viability 52
#23 Retr0id ECB Oracle 51
#24 shoaloak Lemur XOR 51
#25 GingerCarrot Extended GCD 51
#26 obormot Modular Arithmetic 1 48
#27 0xEmperor XOR Properties 48
#28 boge Favourite byte 46
#29 p4b Cofactor Cofantasy 44
#30 aloof Moving Problems 43
#31 Drago Jack's Birthday Hash 43
#32 Drago Adrien's Signs 42
#33 R4GN4R Privacy-Enhanced Mail? 42
#34 Utaha Roll your Own 41
#35 zademn Fast Primes 41
#36 T0t0r0 Parameter Injection 41
#37 aloof Ellipse Curve Cryptography 40
#38 josephs Cofactor Cofantasy 37
#39 Robin_Jadoul Modular Binomials 37
#40 shaloo Greatest Common Divisor 37
#41 thanoskoutr Modular Arithmetic 2 36
#42 aschanna123 Backpack Cryptography 34
#43 Likkrid Modular Square Root 34
#44 Drago Monoprime 34
#45 Scalpel Private Keys 34
#46 Darumaseye Generators of Groups 34
#47 grhkm Real Curve Crypto 33
#48 trillian Vote for Pedro 33
#49 hellman The Matrix Reloaded 32
#50 ctfhacker Modular Square Root 32

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