2022 TetCTF writeup
| Name | Category | Points | Solves | 
|---|---|---|---|
| share | CRYPTO | 216 / 1000 | 29 | 
Yet another secret sharing scheme.
nc 139.162.61.222 13371
See attachments.
See solutions.
| Name | Category | Points | Solves | 
|---|---|---|---|
| share-v2 | CRYPTO | 804 / 1000 | 15 | 
A new feature is added. Check it out!
nc 139.162.61.222 13372
See attachments.
See solutions.
| Name | Category | Points | Solves | 
|---|---|---|---|
| fault | CRYPTO | 831 / 1000 | 14 | 
You got a decryption oracle! Sounds good? Well, not really…
nc 139.162.61.222 13373
See attachments.
See solutions.
| Name | Category | Points | Solves | 
|---|---|---|---|
| algebra | CRYPTO | 831 / 1000 | 14 | 
I threw some arbitrary operator into a finite field and, interestingly, I got a group!
nc 139.162.61.222 13374
See attachments.
See solutions.
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