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
montaoo Decrypting TLS 1.3 35
Mateusz_Chech CTRIME 70
piotrjacak Salty 20
yasom2000 Modular Arithmetic 1 20
piotrjacak Manyprime 40
ZanePlayer Quadratic Residues 25
Mateusz_Chech Bean Counter 60
Romyna Size and Basis 15
mio_norn124 XOR Starter 10
Mateusz_Chech Symmetry 50
pafcio Symmetry 50
Mateusz_Chech Triple DES 60
W4Z_1R4Z You either know, XOR you don't 30
ZanePlayer Modular Inverting 25
Azeflow Great Snakes 3
afonsomap XOR Starter 10
mio_norn124 Bytes and Big Integers 10
Azeflow Finding Flags 2
afonsomap Bytes and Big Integers 10
omelet Fast Primes 75
Lethios JSON in JSON 40
Romyna Backpack Cryptography 120
CCcat Smooth Criminal 60
TSL Greatest Common Divisor 15
ChrisTls Authenticated Handshake 40
piotrjacak Square Eyes 35
Mateusz_Chech Lazy CBC 60
Lethios RSA or HMAC? 35
Mateusz_Chech Flipping Cookie 60
Mateusz_Chech ECB Oracle 60
Romyna Find the Lattice 100
Mateusz_Chech ECB CBC WTF 55
Mateusz_Chech Passwords as Keys 50
ved_007 Modes of Operation Starter 15
Hardodziobik Static Client 2 120
Hardodziobik Additive 70
Hardodziobik Static Client 100
Hardodziobik Export-grade 100
Hardodziobik Parameter Injection 60
Mateusz_Chech Modes of Operation Starter 15
Hardodziobik Deriving Symmetric Keys 40
Hardodziobik Computing Shared Secrets 30
Hardodziobik Computing Public Values 25
Lethios JWT Secrets 25
TSL Lemur XOR 40
piotrjacak Monoprime 30
Cookie2612 Favourite byte 20
Lethios JWT Sessions 10
piotrjacak Inferius Prime 30
Cookie2612 XOR Properties 15

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