Let me explain the classic idea that “the algorithm of a crypto system should be considered and made public” to you. Particularly, I will discuss what it means by “crypto system”, which tells us what information should be no secret at all.
Blog entries with tag “Maths”
A practical problem I encountered in 2016, which I insisted on implementing with pure CSS as long as it was possible. At first it was solved with mathematical logic tricks but later it turned out there was a much simpler solution.