During my studies of IT security at Ruhr-Universität Bochum I had to write some essays, that you might find interesting or useful.
You can find some of them below. Unfortunately most are in German.

seminar on integrated circuits 2009: parallel programming for embedded systems (German) - presentation essay
seminar on cryptography 2009: pseudorandom generators (German) - presentation
seminar on trusted computing 2009: security concepts of EROS (German) - presentation essay
diploma thesis 2012: practical analysis of information set decoding algorithms (English) - thesis code