2019 HITCON CTF Quals writeup
| Name | Category | Points | Solves |
|---|---|---|---|
| Lost Modulus Again | CRYPTO | 200 / 500 | 64 |
It seems something wrong with my modulus.
nc 13.112.92.9 21701
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| Lost Key Again | CRYPTO | 334 / 500 | 10 |
I lost my public key, again.
nc 3.115.26.78 31337
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| Very Simple Haskell | CRYPTO | 200 / 500 | 64 |
It can’t be easier.
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| not so hard RSA | CRYPTO | 371 / 500 | 6 |
RSA is always funny.
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| Randomly Select A cat | CRYPTO | 421 / 500 | 3 |
HAVE YOU SEEN THIS CAT?
/ ( _ ) / __ / _ \ / / / __ /__ () _ __/ __ /_\ __
/ _ _ / /_, /_ _/ _ _ _ \ / / () \ \ / (__ / _ \ / /
___()_ // /(_) _ __()_ /// ()__//_\// _\/_/ He’s not lost or anything, just thought you should see him.
For non-cat-lovers: nc 18.179.46.137 3239
See attachments.
See solutions.
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