December 7th: Reader

Category

PPC

Hint

read 10 times

Challenge

nc adctf2014.katsudon.org 43010

Solution

We connect to a service which sends us a set of characters resembling a barcode. The barcode is different every time, and seems like we need to decode 10 barcodes in row to get the flag.

We created a small python program to do this

Flag