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Solved Challenges

Mathematics Find the Lattice 100
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Resisting Bruteforce 10
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 1 10
General Encoding Challenge 40
Mathematics Quadratic Residues 25
General Lemur XOR 40
General You either know, XOR you don't 30
General Modular Inverting 25
General Modular Arithmetic 1 20
General Favourite byte 20
General Modular Arithmetic 2 20
General Extended GCD 20
General XOR Properties 15
Symmetric Ciphers Keyed Permutations 5
General Greatest Common Divisor 15
RSA RSA Starter 2 15
RSA RSA Starter 1 10
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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