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Level: md5
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Submitted Solutions

SSH Keys 1
Round Keys 0
Encoding Challenge 0

Solved Challenges

Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
General SSH Keys 35
Mathematics Quadratic Residues 25
Block Ciphers Confusion through Substitution 25
General Modular Arithmetic 1 20
Block Ciphers Round Keys 20
Block Ciphers Structure of AES 15
Block Ciphers Resisting Bruteforce 10
Block Ciphers Keyed Permutations 5
General Transparency 50
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Extended GCD 20
General Greatest Common Divisor 15
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General Encoding Challenge 40
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Crypto on the Web Token Appreciation 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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