Solutions

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Recent Solutions
DateUserChallengeRating
Psi505 Extended GCD 0
Psi505 Quadratic Residues 0
ConnorM d-phi-enc (HackTM CTF) 0
rughtr RSA Starter 2 0
ConnorM 1337crypt (DownUnderCTF) 0
pedropiin Adrien's Signs 0
pedropiin Legendre Symbol 0
its_aziz4 RSA Starter 6 0
SnowF0X Round Keys 0
velvet_thunder Encoding Challenge 0
0poss Jack's Birthday Confusion 1
0poss Jack's Birthday Hash 2
mousa27 Endless Emails 0
diksown Too Many Errors 0
h4r1337 Lemur XOR 0
AlanSmithee Jack's Birthday Confusion 0
AlanSmithee Jack's Birthday Hash 0
AlanSmithee Crossed Wires 0
fitrafep Adrien's Signs 0
fitrafep Quadratic Residues 0
yazeedallabadi24 Ron was Wrong, Whit is Right 0
rayan_alyousef Favourite byte 0
diksown Null or Never 0
azan121468 MDFlag 0
klmn Trust Games 0
 


Top Solutions
RankUserChallengeRating
#1 medvedisko XOR Properties 196
#2 oushanmu You either know, XOR you don't 161
#3 Robin_Jadoul Adrien's Signs 139
#4 bigtuple Favourite byte 123
#5 Robin_Jadoul Transparency 98
#6 Hon Modular Inverting 93
#7 Drago Crossed Wires 89
#8 Robin_Jadoul Encoding Challenge 84
#9 obormot Greatest Common Divisor 74
#10 Robin_Jadoul Structure of AES 74
#11 amadeus Quadratic Residues 71
#12 exp101t Modular Binomials 69
#13 D00Movenok You either know, XOR you don't 66
#14 Flecart Legendre Symbol 63
#15 StormXploit Favourite byte 63
#16 fecell Extended GCD 58
#17 ddddavidee Successive Powers 54
#18 Daneallen Lemur XOR 53
#19 aloof Everything is Still Big 50
#20 aloof Exceptional Curves 49
#21 aloof RSA Backdoor Viability 48
#22 shoaloak Lemur XOR 41
#23 R4GN4R Privacy-Enhanced Mail? 40
#24 p4b Cofactor Cofantasy 39
#25 thanoskoutr Modular Inverting 38
#26 zademn Fast Primes 37
#27 josephs Cofactor Cofantasy 36
#28 Drago Jack's Birthday Hash 36
#29 aloof Moving Problems 35
#30 Drago Adrien's Signs 35
#31 GingerCarrot Extended GCD 34
#32 Retr0id ECB Oracle 33
#33 aloof Ellipse Curve Cryptography 32
#34 T0t0r0 Parameter Injection 31
#35 obormot Modular Arithmetic 1 31
#36 0xEmperor XOR Properties 31
#37 hellman The Matrix Reloaded 30
#38 randomdude999 Vote for Pedro 29
#39 aschanna123 Backpack Cryptography 29
#40 boge Favourite byte 29
#41 Utaha Roll your Own 28
#42 Robin_Jadoul Modular Binomials 28
#43 Drago Monoprime 28
#44 glgspg Round Keys 28
#45 Scalpel RSA Starter 4 28
#46 shaloo Greatest Common Divisor 27
#47 Robin_Jadoul Prime and Prejudice 26
#48 Drago Find the Lattice 26
#49 deuterium CERTainly not 26
#50 tehron Lemur XOR 25

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