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Solved Challenges

Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers Diffusion through Permutation 30
RSA Square Eyes 35
RSA Monoprime 30
RSA Modulus Inutilis 50
RSA Crossed Wires 100
RSA Endless Emails 150
RSA Fast Primes 75
RSA Ron was Wrong, Whit is Right 90
RSA RSA Backdoor Viability 175
RSA Inferius Prime 30
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Script Kiddie 70
Diffie-Hellman The Matrix Revolutions 125
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
Diffie-Hellman Export-grade 100
Diffie-Hellman Working with Fields 10
Mathematics Unencryptable 125
Mathematics Cofactor Cofantasy 150
Mathematics Roll your Own 125
Mathematics Ellipse Curve Cryptography 125
Mathematics Broken RSA 100
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Prime and Prejudice 200
Mathematics Legendre Symbol 35
General Encoding Challenge 40
Mathematics Quadratic Residues 25
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 Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 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 Lemur XOR 40
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
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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