For my master's thesis at a Greek University, I proposed to my supervisor to do end-to-end encryption of multiparty situations. I chose my topic because I had a plan for a post-master project and thought I can do bibliographic research through my master thesis. I presented this long-term project to my supervisor in an earlier semester essay.
I did manage to make a program but even though I tried my best to implement it I could not find a solution. Also due to time limitations and lack of any help (including from my supervisor), I found it too hard to approach it in a timely manner because I have to put together the pieces for the final thesis text as well.
But instead, I did manage to have an initial overlay architecture and requirements for my own long-term project by doing the literature review.
So I thought: "I can be honest and tell whatever happened about what I did manage to understand through the literature review, what gaps I found, lay down the initial architecture for my long-term project and present to the thesis examiners at the thesis examination what I did and why I failed and show them that I tried hard to achieve that."
Is this sufficient to get a master's degree, or will my attempt at honesty hurt me?