Need help choosing algorithm and topic

Hello everybody,

I am not pretty sure if this is the right place, but I have searched a lot and still cannot decide what to do.

So here is why I am typing here - I am studying last year computer science and therefore I have to make my Bachelor thesis - I want to make it in the field of cryptography. The problem is that I cannot choose a topic for it. I spoke with my mentor and she gave me the freedom of choosing the topic by myself.

Her advice was that I can make some kind of application that implements one or more algorithms - for example AES, RSA, SHA.

I am typing here for advice - if anyone has ideas of what might the thesis topic be or some example topics or any ideas for even a simple application that may implement any crypto algorithms would be very appreciated.

Thank you in advance, I am really stuck.

Regards, Kristian

Security or security algorithms can be implemented in following areas

1. Relational database like SQL, MySQL which is storing data like user information such as passwords along with other information. You can encrypt your password before you save it in database using algorithms like MD5, RSA, AES.

2. Encryption can be applied to secure your content like document files, audio and video files, text files and others. You encrypt your files before you save it on hard drives to protect them from being accessed outside of your application.

You can create a website or desktop app to download the music from web and save it on hard drive through your app which also can have Login and registration functionality using database.

Now if your downloads are encrypted before you save, downloaded audios cannot be access or played outside your app. Therefore your content is secured using encryption.

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