A short and sweet manuscript on Paillier Crypto system

While searching the interwebs for some quick info on Paillier encryption scheme, I came across the following manuscript. It probably includes everything you need to get acquainted with this crypto system.

http://www.tcnj.edu/~hagedorn/papers/CapstonePapers/OKeeffe/CapstoneOKeeffeCryptography.pdf

When you look at the Github repos for related code samples, e.g.:

• https://github.com/mhe/jspaillier for JavaScript
• https://github.com/mikeivanov/paillier for Python

You will need some of the key points mentioned in this paper. For example, 'powers of (1+n)' topic will come in very handy.