I participated and cracked the CTF hosted by G4H, the complete write up is available on the below link.
http://www.sandeepkamble.com/skl337/2014/12/10/writeup-on-garage4hackers-xmas-dec-web-challenge-2014/
I also found another way to solve the CTF (a bug actually), MD5 hash was used and due to collision there were two hashes for the same plaintext.
0e104142395260374396839196939683 (This works!)
0e100132199235687421930375421091 (Found in HTML source code, if you use this it says: umm!! nice try dude :), oops! )
The above link has the source code, the challenge and the solutions submitted. It was a tricky one!
http://www.sandeepkamble.com/skl337/2014/12/10/writeup-on-garage4hackers-xmas-dec-web-challenge-2014/
I also found another way to solve the CTF (a bug actually), MD5 hash was used and due to collision there were two hashes for the same plaintext.
0e104142395260374396839196939683 (This works!)
0e100132199235687421930375421091 (Found in HTML source code, if you use this it says: umm!! nice try dude :), oops! )
The above link has the source code, the challenge and the solutions submitted. It was a tricky one!
