sacha
14th place
140 points
Solves
| Challenge | Category | Value | Time |
|---|---|---|---|
| An Encrypted Message | Cryptography | 50 | |
| Length-extension attack | Cryptography | 40 | |
| Known Plaintext and XOR | Cryptography | 30 | |
| Hash - SHA-2 | Cryptography | 10 | |
| Hash - Message Digest 5 | Cryptography | 10 |