Rating:
# Nullcon HACKIM 2016 : Crypto (400)
**Category:** crypto |
**Points:** 400 |
**Name:** Crypto Question 3 |
**Solves:** ? |
**Description:**
> After entring the luxurious condomium,you get the feel that you are in home of a yester Star. the extravagant flooring and furnishings shows the richness of this star. But where is she? There she is, lying peacefuly on her couch. See what Envy has done to her...with a perfectly well maintained attractive body she still looks sex diva, except for her face beyond recogniton. Her identity is crucial to know who killed her and why? In absence of any personal data around there is only a file. with a cryptic text in it. Preity sure she has used her own name to XOR encrypt the file. And challenge is to know her name.
>
> We were also given a file named AncientSecretsoftheKamaSutra.txt
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## Write-up
I uploaded the file to wiremask's XOR cracker, and the website suggested the key was most likely 12 lengths long, and its best guess to the key was "J $+na ?ine"
Using some Google-fu, we found the IMDB page of Ancient Secrets of the Kama Sutra, which turned out to be a 1997 porn video. In the cast, we found someone billed as "Jeanna Fine".
We plugged her name in as the key to decrypt the file, and it worked.
The flag turned out to be her name: Jeanna Fine.
