Flechezo

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Solved Challenges

Crypto on the Web JWT Sessions 10
Symmetric Ciphers Structure of AES 15
ZKPs ZKP Introduction 5
Mathematics Successive Powers 60
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
Lattices Size and Basis 15
Lattices Vectors 10
Crypto on the Web Token Appreciation 5
RSA Private Keys 20
RSA Public Keys 15
Mathematics Chinese Remainder Theorem 40
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Quadratic Residues 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 You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
Introduction Great Snakes 3
General Base64 10
General Bytes and Big Integers 10
General Hex 5
General ASCII 5
Introduction Finding Flags 2

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