Xeno

Two robots

Joined:

Rank: #1419

Level: 1
3440 0 0 0

0 points to level up

Trophy Case

gold-trophy gold-trophy silver-trophy silver-trophy bronze-trophy silver-trophy bronze-trophy bronze-trophy silver-trophy bronze-trophy empty-trophy empty-trophy empty-trophy

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
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
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 Hash Stuffing 50
Hash Functions Collider 50
General SSH Keys 35
Mathematics No Way Back Home 100
Elliptic Curves Exceptional Curves 100
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
Elliptic Curves Smooth Criminal 60
Elliptic Curves Montgomery's Ladder 40
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Monoprime 30
RSA Factoring 15
RSA RSA Signatures 25
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
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
Mathematics Unencryptable 125
Mathematics Broken RSA 100
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Lattices Backpack Cryptography 120
Lattices Find the Lattice 100
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
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
General Lemur XOR 40
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General Transparency 50
General CERTainly not 30
General Privacy-Enhanced Mail? 25
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

Level Up

level up icon

You are now level Current level