Nazereth

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Solved Challenges

Crypto on the Web Saying Hello 20
Crypto on the Web TLS Handshake 15
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Secure Protocols 5
Symmetric Ciphers Lazy CBC 60
RSA Crossed Wires 100
Symmetric Ciphers ECB Oracle 60
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Bringing It All Together 50
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
Crypto on the Web JSON in JSON 40
Hash Functions MD0 80
Crypto on the Web RSA or HMAC? 35
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Diffie-Hellman Starter 5 40
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
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
RSA RSA Starter 6 25
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 3 20
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Symmetric Ciphers Modes of Operation Starter 15
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
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Hash Functions Collider 50
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Misc Gotta Go Fast 40
Mathematics Quadratic Residues 25
General Lemur XOR 40
General Encoding Challenge 40
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
Introduction Network Attacks 5
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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