MakarovKardevsky

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Solved Challenges

RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Misc RSA vs RNG 150
Mathematics Unencryptable 125
Mathematics Roll your Own 125
Mathematics Ellipse Curve Cryptography 125
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Factoring 15
RSA Inferius Prime 30
Mathematics No Way Back Home 100
Mathematics Broken RSA 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Deriving Symmetric Keys 40
Symmetric Ciphers ECB Oracle 60
Diffie-Hellman Computing Shared Secrets 30
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Isogenies Where's the Supersingular Curve 25
Isogenies The j-invariant 20
Isogenies Introduction to Isogenies 10
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Lattices Backpack Cryptography 120
Lattices Find the Lattice 100
Symmetric Ciphers Passwords as Keys 50
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General Modular Arithmetic 1 20
General Extended GCD 20
General XOR Starter 10
General Encoding Challenge 40
Diffie-Hellman Computing Public Values 25
Hash Functions Collider 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
Elliptic Curves Background Reading 5
Elliptic Curves Curves and Logs 40
Elliptic Curves Point Negation 10
Symmetric Ciphers Round Keys 20
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 30
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Lattices LWE Intro 10
Lattices LWE Background 5
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
General Modular Inverting 25
General Modular Arithmetic 2 20
General Greatest Common Divisor 15
General XOR Properties 15
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
RSA RSA Signatures 25
RSA RSA Decryption 20
RSA Private Keys 20
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Lattices Gram Schmidt 30
Lattices Size and Basis 15
Lattices Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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