pekka
23rd place
1810 points
Solves
| Challenge | Category | Value | Time |
|---|---|---|---|
| wiener attack | RSA - Private exponent | 223 | |
| low public exponent | RSA - Public exponent | 244 | |
| common modulus | RSA - Modulu | 244 | |
| factor attack | RSA - Modulu | 200 | |
| easy baby RSA | RSA - Starter | 100 | |
| Simple substitution | Classical cipher | 447 | |
| bit-flipping | Symmetric cipher - Block cipher | 152 | |
| LCG | Symmetric cipher - Keystream | 100 | |
| RC4 | Symmetric cipher - Stream cipher | 100 |