Hi

I'm studying a master degree in computer science , and now I have to start writing my thesis , I wander if you guys can help me as my subject is around : Cryptography , and I don't have idea about what is the best thing i care about it in my thesis , and i have many question in my mind like :
There is many refrances for it ?
how I can start ?
what is the headlines and guidelines to go through ?
it what is the details I have to talk about ?
an examples of the goals i have to reach in the end ?
in another hand, I need someone to follow with me from the start point to the end.


Please tell me if you have something to tell help me with ?


Best regards
Aziz