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Solved Challenges

Diffie-Hellman Static Client 2 120
Elliptic Curves Scalar Multiplication 35
Diffie-Hellman Static Client 100
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
General Modular Arithmetic 2 20
General Lemur XOR 40
General Encoding Challenge 40
RSA Square Eyes 35
RSA Inferius Prime 30
Symmetric Ciphers Flipping Cookie 60
Mathematics Quadratic Residues 25
General Modular Arithmetic 1 20
General Modular Inverting 25
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
Introduction Network Attacks 5
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
RSA Manyprime 40
RSA Monoprime 30
RSA RSA Signatures 25
RSA Factoring 15
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 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 Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
General Extended GCD 20
General Greatest Common Divisor 15
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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