Kaldah

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Solved Challenges

Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General Bytes and Big Integers 10
Crypto on the Web Token Appreciation 5
Symmetric Ciphers Keyed Permutations 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2
General Base64 10
General ASCII 5
General Hex 5

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