2021 N1CTF writeup
| Name | Category | Points | Solves |
|---|---|---|---|
| checkin | CRYPTO | 624 / 1000 | 7 |
None
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| n1ogin | CRYPTO | 624 / 1000 | 7 |
To prevent any adversary sitting in the middle from eavesdropping, we apply hybrid encryption in our n1ogin system.
nc 43.155.59.224 7777
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| n1token1 | CRYPTO | 833 / 1000 | 3 |
None
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| n1token2 | CRYPTO | 833 / 1000 | 3 |
None
See attachments.
See solutions.
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