The Intergalactic Software Creations has launched a flag retrieval service using Go side channels with the motto "Flag-as-a-service, time is on your side". The only problem is getting in without credentials but maybe you can figure out a way to learn a the correct HMAC without knowing the secret key?

nc faas.thenixuchallenge.com 5059

You get 200 points for this challenge.

Solvers: no one

crypto 2018

← Back to challenges