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Solved Challenges

RSA RSA Backdoor Viability 175
RSA Infinite Descent 50
RSA Crossed Wires 100
Mathematics Gram Schmidt 30
Mathematics What's a Lattice? 40
Mathematics Successive Powers 60
RSA Everything is Big 70
General Transparency 50
General SSH Keys 35
General CERTainly not 30
Mathematics Size and Basis 15
Mathematics Vectors 10
RSA Modulus Inutilis 50
RSA Square Eyes 35
RSA Inferius Prime 30
General Lemur XOR 40
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Diffie-Hellman Diffie-Hellman Starter 5 40
Crypto on the Web Token Appreciation 5
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 2 20
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA Salty 20
RSA Manyprime 40
RSA Monoprime 30
Symmetric Ciphers ECB Oracle 60
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Modular Inverting 25
Symmetric Ciphers ECB CBC WTF 55
General Modular Arithmetic 2 20
RSA RSA Starter 6 25
RSA Factoring 15
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
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 Keyed Permutations 5
Symmetric Ciphers Resisting Bruteforce 10
General Privacy-Enhanced Mail? 25
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General Encoding Challenge 40
Introduction Network Attacks 5
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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