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Solved Challenges

RSA Inferius Prime 30
RSA Factoring 15
Mathematics Modular Square Root 35
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
General Lemur XOR 40
RSA RSA Starter 6 25
RSA RSA Starter 4 20
RSA RSA Starter 5 20
RSA RSA Starter 3 20
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Successive Powers 60
Mathematics Gaussian Reduction 50
Mathematics Gram Schmidt 30
Mathematics What's a Lattice? 40
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
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
Introduction Network Attacks 5
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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