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Solved Challenges

Mathematics Adrien's Signs 80
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
General Modular Arithmetic 1 20
General Extended GCD 20
General You either know, XOR you don't 30
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Chinese Remainder Theorem 40
Mathematics Quadratic Residues 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Greatest Common Divisor 15
Introduction Network Attacks 5
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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