Reference books in security and privacy preservation I am looking for books or reference guides to learn and teach "cryptography, security and privacy preservation techniques"? I need some advice to good resources that I can use.
You can start your learning
https://www.coursera.org/learn/crypto/home/welcome
An excellent course to start with all about Symmetric/Asymmetric encryption/TLS/MAC etc.
A free ebook is also available https://crypto.stanford.edu/~dabo/cryptobook/BonehShoup_0_4.pdf

https://www.schneier.com/books/applied_cryptography/