Solves

Data for the 50 most recent submitted challenge solves. To read writeups for our challenges, visit Solutions.
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Recent Solves
DateUserChallengeScore
AnantJain Favourite byte 20
thudbutt Greatest Common Divisor 15
kurumi_11 ECB CBC WTF 55
duckman_46 XOR Properties 15
AnantJain XOR Properties 15
tasnimibrahim728 Finding Flags 2
mohatem06 Manyprime 40
Omar_123KHattab Point Negation 10
siriusraven Curves and Logs 40
Omar_123KHattab Background Reading 5
D4rKSKar XOR Starter 10
thudbutt You either know, XOR you don't 30
Omar_123KHattab RSA Decryption 20
Janarthanan You either know, XOR you don't 30
HexSkadi XOR Starter 10
Omar_123KHattab Private Keys 20
Omar_123KHattab Euler's Totient 20
Omar_123KHattab Public Keys 15
siriusraven Scalar Multiplication 35
Omar_123KHattab Modular Exponentiation 10
tranchsanto An Evil Twisted Mind 175
Brissouille RSA Signatures 25
mohamed750boukh You either know, XOR you don't 30
kurumi_11 ECB Oracle 60
crypto_saka_hack Sign in Please (HKCERT CTF) 0
Omar_123KHattab Structure of AES 15
D4rKSKar Bytes and Big Integers 10
feynhat Salty 20
JCooker XOR Starter 10
hanahiennguyen Gram Schmidt 30
Stebin_S Base64 10
Omar_123KHattab Resisting Bruteforce 10
JacobLu3141 Symmetry 50
Zirey Finding Flags 2
Omar_123KHattab Keyed Permutations 5
siriusraven Point Addition 30
Omar_123KHattab Modular Arithmetic 1 20
hanahiennguyen Size and Basis 15
Omar_123KHattab Extended GCD 20
miiyen Smooth Criminal 60
hanahiennguyen Vectors 10
Chausse XOR Properties 15
fl4m4st3r Chinese Remainder Theorem 40
hanahiennguyen JSON in JSON 40
Koalko Bean Counter 60
MyWolve Confusion through Substitution 25
kenmarksix Bytes and Big Integers 10
JacobLu3141 Lazy CBC 60
Brissouille RSA Decryption 20
hoang1653 CTRIME 70

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