DreydenGys

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Solved Challenges

RSA Modulus Inutilis 50
Symmetric Ciphers Flipping Cookie 60
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
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 1 10
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
RSA RSA Starter 6 25
Symmetric Ciphers ECB Oracle 60
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 3 20
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
General Transparency 50
General SSH Keys 35
General CERTainly not 30
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
General Privacy-Enhanced Mail? 25
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
General Lemur XOR 40
General Encoding Challenge 40
Introduction Network Attacks 5
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
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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