KOREONE
Level: 1
980
0
31
1
0 points to level up
Trophy Case
Submitted Solutions
| RSA Signatures | 0 | ||
| RSA Decryption | 0 | ||
| Private Keys | 0 | ||
| Euler's Totient | 0 | ||
| Public Keys | 0 | ||
| Bringing It All Together | 0 | ||
| Chinese Remainder Theorem | 0 | ||
| Modular Square Root | 0 | ||
| Legendre Symbol | 0 | ||
| Computing Shared Secrets | 0 | ||
| Computing Public Values | 0 | ||
| Generators of Groups | 0 | ||
| Quadratic Residues | 0 | ||
| Diffusion through Permutation | 0 | ||
| Confusion through Substitution | 1 | ||
| Round Keys | 0 | ||
| Structure of AES | 0 | ||
| SSH Keys | 0 | ||
| Jack's Birthday Hash | 0 | ||
| Lemur XOR | 0 | ||
| CERTainly not | 0 | ||
| Privacy-Enhanced Mail? | 0 | ||
| Modular Inverting | 0 | ||
| Modular Arithmetic 2 | 0 | ||
| Modular Arithmetic 1 | 0 | ||
| Extended GCD | 0 | ||
| Greatest Common Divisor | 0 | ||
| Encoding Challenge | 0 | ||
| You either know, XOR you don't | 0 | ||
| Favourite byte | 0 | ||
| XOR Properties | 0 |
Solved Challenges
| RSA | RSA Signatures | 25 | |
| RSA | RSA Decryption | 20 | |
| RSA | Private Keys | 20 | |
| RSA | Euler's Totient | 20 | |
| RSA | Public Keys | 15 | |
| Symmetric Ciphers | Bringing It All Together | 50 | |
| Mathematics | Chinese Remainder Theorem | 40 | |
| Mathematics | Modular Square Root | 35 | |
| Mathematics | Legendre Symbol | 35 | |
| Isogenies | Introduction to Isogenies | 10 | |
| 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 | Modular Exponentiation | 10 | |
| Mathematics | Quadratic Residues | 25 | |
| 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 | Transparency | 50 | |
| General | SSH Keys | 35 | |
| Hash Functions | Jack's Birthday Hash | 20 | |
| General | Lemur XOR | 40 | |
| General | CERTainly not | 30 | |
| General | Privacy-Enhanced Mail? | 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 | Encoding Challenge | 40 | |
| General | Favourite byte | 20 | |
| Hash Functions | Jack's Birthday Confusion | 30 | |
| General | XOR Properties | 15 | |
| 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 |
