2019 DEF CON CTF Quals writeup
| Name | Category | Points | Solves |
|---|---|---|---|
| chainedrsa | CRYPTO, REVERSE | 240 / 500 | 10 |
Read carefully. Messages speak.
chainedrsa.quals2019.oooverflow.io 5000
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| ASRybaB | CRYPTO, REVERSE | 201 / 500 | 14 |
Just RSA
asrybab.quals2019.oooverflow.io 1280
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| tania | CRYPTO | 182 / 500 | 17 |
‘Didn’t touch, check the rules.’ [cit.]
tania.quals2019.oooverflow.io 5000
See attachments.
See solutions.
| Name | Category | Points | Solves |
|---|---|---|---|
| vitor | ANDROID, CRYPTO, REVERSE | 131 / 500 | 40 |
‘An attacker could trivially do XYZ.’ [cit.]
See attachments.
See solutions.
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