david wong

Hey! I'm David, a security engineer at the Blockchain team of Facebook, previously a security consultant for the Cryptography Services of NCC Group. I'm also the author of the Real World Cryptography book. This is my blog about cryptography and security and other related topics that I find interesting.

Hacking Week 2015 posted May 2015

The Hacking week just started, it's a CTF that happens over a week.

You'll find challenges about crypto, network, forensic, reverse and exploit.

And also, I have a challenge up there in the crypto challenge ^^

hackingweek

It's in french here: http://hackingweek.fr/challenges/ (click on "voir" next to crypto 4)

basically Alice encrypted the secret, you have to find what the secret is. What you have is a key that shares the same modulus as Alice.


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