BinYv

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Solved Challenges

Misc No Leaks 100
ZKPs Proofs of Knowledge 20
Isogenies The j-invariant 20
Hash Functions Jack's Birthday Confusion 30
Lattices Size and Basis 15
Crypto on the Web JWT Sessions 10
Elliptic Curves Point Negation 10
Diffie-Hellman Generators of Groups 20
RSA Public Keys 15
Symmetric Ciphers Resisting Bruteforce 10
Misc Gotta Go Fast 40
ZKPs ZKP Introduction 5
Isogenies Introduction to Isogenies 10
Lattices Vectors 10
Crypto on the Web Token Appreciation 5
Hash Functions Jack's Birthday Hash 20
Elliptic Curves Background Reading 5
Diffie-Hellman Working with Fields 10
RSA Modular Exponentiation 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Real Eisenstein 150
Mathematics Cofactor Cofantasy 150
Mathematics Unencryptable 125
Mathematics No Way Back Home 100
Mathematics Roll your Own 125
Mathematics Ellipse Curve Cryptography 125
Mathematics Broken RSA 100
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 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 Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General Encoding Challenge 40
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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