GiorgosKonst

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Solved Challenges

Lattices Vectors 10
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Working with Fields 10
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
RSA Salty 20
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Encoding Challenge 40
General Favourite byte 20
General XOR Properties 15
General Lemur XOR 40
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Generators of Groups 20
Hash Functions Jack's Birthday Hash 20
Mathematics Successive Powers 60
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
Mathematics Quadratic Residues 25
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Chinese Remainder Theorem 40
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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