topspin
448th place
21 points
Solves
| Challenge | Category | Value | Time |
|---|---|---|---|
| [★☆☆] Ransomware - Recovery 1 | Cryptography | 3 | |
| [★☆☆] Adversary - Key exchange | Cryptography | 9 | |
| [★☆☆] Adversary - 3AES | Cryptography | 3 | |
| [★☆☆] Adversary - Almost Classic | Cryptography | 3 | |
| [☆☆☆] Advanced Decryption Standard - easy like counting up to three | Cryptography | 1 | |
| [☆☆☆] Advanced Decryption Standard - Blockchain | Cryptography | 1 | |
| [☆☆☆] Advanced Decryption Standard - Codebook | Cryptography | 1 |