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Solved Challenges

RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Isogenies Introduction to Isogenies 10
Hash Functions Jack's Birthday Hash 20
General You either know, XOR you don't 30
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Encoding Challenge 40
General Transparency 50
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
General Modular Arithmetic 2 20
Symmetric Ciphers Structure of AES 15
Mathematics Chinese Remainder Theorem 40
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
Lattices Size and Basis 15
Lattices Vectors 10
General Lemur XOR 40
General Favourite byte 20
General Bytes and Big Integers 10
General XOR Properties 15
General XOR Starter 10
General Extended GCD 20
General Modular Inverting 25
General Modular Arithmetic 1 20
General Greatest Common Divisor 15
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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