azerus823

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Solved Challenges

Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Mathematics Find the Lattice 100
General Lemur XOR 40
CTF Archive Twist and shout (ECSC 2023 (Norway)) 0
Elliptic Curves Curves and Logs 40
Mathematics Size and Basis 15
Mathematics Gram Schmidt 30
Mathematics What's a Lattice? 40
Mathematics Backpack Cryptography 120
Mathematics Gaussian Reduction 50
Mathematics Successive Powers 60
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
General Encoding Challenge 40
Introduction Network Attacks 5
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Diffie-Hellman Diffie-Hellman Starter 5 40
Mathematics Modular Binomials 80
Mathematics Chinese Remainder Theorem 40
General Modular Inverting 25
General Extended GCD 20
Mathematics Vectors 10
Mathematics Adrien's Signs 80
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
CTF Archive 1337crypt (DownUnderCTF) 0
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 1 10
Post-Quantum LWE Intro 10
Post-Quantum LWE Background 5
Crypto on the Web Secure Protocols 5
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Hash Functions MD0 80
Hash Functions PriMeD5 100
Hash Functions Hash Stuffing 50
Hash Functions Collider 50
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Elliptic Curves Smooth Criminal 60
Elliptic Curves Efficient Exchange 50
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Mathematics Quadratic Residues 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
RSA RSA Starter 6 25
RSA Salty 20
RSA Modulus Inutilis 50
RSA Manyprime 40
RSA Monoprime 30
RSA Factoring 15
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 3 20
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Passwords as Keys 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
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
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
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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