Ubertech
Trophy Case
Submitted Solutions
| Modulus Inutilis | 0 | ||
| Square Eyes | 0 | ||
| Lemur XOR | 0 | ||
| Salty | 0 | ||
| Manyprime | 0 | ||
| Monoprime | 0 | ||
| Factoring | 0 | ||
| RSA Signatures | 0 | ||
| RSA Decryption | 0 | ||
| Private Keys | 0 | ||
| Euler's Totient | 1 | ||
| ECB Oracle | 0 | ||
| Passwords as Keys | 0 | ||
| Bringing It All Together | 0 | ||
| Structure of AES | 0 | ||
| Diffusion through Permutation | 0 | ||
| Confusion through Substitution | 0 | ||
| Round Keys | 0 |
Solved Challenges
| General | Transparency | 50 | |
| General | SSH Keys | 35 | |
| General | CERTainly not | 30 | |
| Diffie-Hellman | Working with Fields | 10 | |
| RSA | Modulus Inutilis | 50 | |
| RSA | Inferius Prime | 30 | |
| RSA | Square Eyes | 35 | |
| General | Privacy-Enhanced Mail? | 25 | |
| General | Lemur XOR | 40 | |
| 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 | 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 | Modular Binomials | 80 | |
| Mathematics | Adrien's Signs | 80 | |
| Mathematics | Chinese Remainder Theorem | 40 | |
| Mathematics | Modular Square Root | 35 | |
| 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 | |
| General | You either know, XOR you don't | 30 | |
| General | Favourite byte | 20 | |
| General | XOR Properties | 15 | |
| General | Encoding Challenge | 40 | |
| General | XOR Starter | 10 | |
| 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 |
