So, I assume you're already familiar with Public-key cryptography and Diffie-Hellman key exchange. If not, there are lots of good materials about them. Check them out first!
Public-key cryptography is a solid, well-studied foundation for today's modern encryption and privacy. PGP, Diffle-Hellman, and RSA are all well-known. However, if you want to develop something with encryption, they might be not enough.» Read More