oksenmu
Trophy Case
Solved Challenges
| Mathematics | Prime and Prejudice | 200 | |
| Elliptic Curves | No Random, No Bias | 120 | |
| Symmetric Ciphers | Paper Plane | 120 | |
| Symmetric Ciphers | Pad Thai | 80 | |
| Symmetric Ciphers | Oh SNAP | 120 | |
| RSA | Let's Decrypt | 80 | |
| Elliptic Curves | Curveball | 100 | |
| RSA | Null or Never | 100 | |
| RSA | Modulus Inutilis | 50 | |
| RSA | Salty | 20 | |
| RSA | Endless Emails | 150 | |
| Diffie-Hellman | Export-grade | 100 | |
| Misc | Lo-Hi Card Game | 120 | |
| RSA | Ron was Wrong, Whit is Right | 90 | |
| Mathematics | Legendre Symbol | 35 | |
| Mathematics | Quadratic Residues | 25 | |
| General | Modular Inverting | 25 | |
| General | Modular Arithmetic 2 | 20 | |
| General | Modular Arithmetic 1 | 20 | |
| General | Extended GCD | 20 | |
| General | Greatest Common Divisor | 15 | |
| 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 | |
| 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 |
