[HackIM 2016] [Crypto 500 – Crypto question 1] Write Up

Description

Crypto Question 1 500 pts

You are in this GAME. A critical mission, and you are surrounded by the beauties, ready to shed their slik gowns on your beck. On onside your feelings are pulling you apart and another side you are called by the duty. The biggiest question is seX OR success? The signals of subconcious mind are not clear, cryptic. You also have the message of heart which is clear and cryptic. You just need to use three of them and find whats the clear message of your Mind… What you must do?

Resolution

This challenge was pretty easy for 500 points, we only need to first xoring clear text with matching crypted one in order to get the key and then apply this key to the cipher text we must decipher.

The key (hex encoded) is:

49 74 73 20 72 69 67 68 74 20 74 68 65 72 65 20 77 68 61 74 20 79 6F 75 20 61 72 65 20 6C 6F 6F 6B 69 6E 67 20 66 6F 72 2E 0A

= “Its right there what you are looking for.\n”

That gives us https://play.google.com/store/apps/collection/promotion_3001629_watch_live_games?hl=en

The title of this page is “Never Miss a Game”

flag was “Never Miss a Game

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