MrR3boot
Trophy Case
Submitted Solutions
| Symmetry | 1 | ||
| Lazy CBC | 1 | ||
| ECB CBC WTF | 1 | ||
| ECB Oracle | 2 |
Solved Challenges
| Crypto on the Web | JSON in JSON | 40 | |
| Crypto on the Web | Secure Protocols | 5 | |
| Crypto on the Web | RSA or HMAC? | 35 | |
| Crypto on the Web | JWT Secrets | 25 | |
| Crypto on the Web | No Way JOSE | 20 | |
| General | SSH Keys | 35 | |
| Crypto on the Web | JWT Sessions | 10 | |
| Crypto on the Web | Token Appreciation | 5 | |
| General | Transparency | 50 | |
| Symmetric Ciphers | CTRIME | 70 | |
| Symmetric Ciphers | Bean Counter | 60 | |
| Symmetric Ciphers | Symmetry | 50 | |
| Symmetric Ciphers | Lazy CBC | 60 | |
| Mathematics | Modular Square Root | 35 | |
| Mathematics | Size and Basis | 15 | |
| Mathematics | Vectors | 10 | |
| Diffie-Hellman | Diffie-Hellman Starter 1 | 10 | |
| Symmetric Ciphers | Flipping Cookie | 60 | |
| 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 | |
| Symmetric Ciphers | ECB CBC WTF | 55 | |
| Symmetric Ciphers | ECB Oracle | 60 | |
| Symmetric Ciphers | Passwords as Keys | 50 | |
| Mathematics | Legendre Symbol | 35 | |
| Mathematics | Quadratic Residues | 25 | |
| General | XOR Properties | 15 | |
| RSA | RSA Starter 2 | 15 | |
| Elliptic Curves | Background Reading | 5 | |
| RSA | RSA Starter 1 | 10 | |
| General | CERTainly not | 30 | |
| General | Privacy-Enhanced Mail? | 25 | |
| Mathematics | Chinese Remainder Theorem | 40 | |
| General | Modular Inverting | 25 | |
| Misc | No Leaks | 100 | |
| General | Modular Arithmetic 2 | 20 | |
| Symmetric Ciphers | Modes of Operation Starter | 15 | |
| Misc | Gotta Go Fast | 40 | |
| General | Modular Arithmetic 1 | 20 | |
| General | Lemur XOR | 40 | |
| General | Extended GCD | 20 | |
| General | Greatest Common Divisor | 15 | |
| General | You either know, XOR you don't | 30 | |
| General | Favourite byte | 20 | |
| 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 |
