ezionoir
Trophy Case
Solved Challenges
| 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 | |
| Introduction | Network Attacks | 5 | |
| Introduction | Great Snakes | 3 | |
| 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 | Extended GCD | 20 | |
| 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 | |
| Elliptic Curves | Smooth Criminal | 60 | |
| General | Greatest Common Divisor | 15 | |
| General | Modular Arithmetic 1 | 20 | |
| 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 | |
| Mathematics | No Way Back Home | 100 | |
| Mathematics | Broken RSA | 100 | |
| Mathematics | Modular Binomials | 80 | |
| Mathematics | Chinese Remainder Theorem | 40 | |
| Mathematics | Modular Square Root | 35 | |
| Mathematics | Legendre Symbol | 35 | |
| Mathematics | Quadratic Residues | 25 | |
| Mathematics | Adrien's Signs | 80 | |
| Mathematics | Successive Powers | 60 | |
| Introduction | Finding Flags | 2 | |
| Diffie-Hellman | Static Client | 100 | |
| Diffie-Hellman | Script Kiddie | 70 | |
| Diffie-Hellman | Export-grade | 100 | |
| Diffie-Hellman | Parameter Injection | 60 | |
| Diffie-Hellman | Additive | 70 | |
| 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 |
