Introduction - If you have any usage issues, please Google them yourself
A brief introduction to modern cryptography: Principles and protocols: cryptography plays a key role in ensuring the privacy and integrity of data and the security of the computer network. The book "modern cryptography: Principles and protocols", written by Jonathan Katz and Yehuda Lindell, provides a strict and understandable introduction to modern cryptography, focusing on formal definitions, precise assumptions, and strict proof.