Paul von Oorschot's Tools and Jewels:

https://people.scs.carleton.ca/~paulv/toolsjewels.html

This was designed as a textbook for security, and includes very good coverage of cryptography.

Rik

On Sun, May 4, 2025 at 5:06 AM Rich Salz <rich.salz@gmail.com> wrote:

The Bellovin and Cheswick book(s) although it's more about network security and firewalls.
The OWASP guides.
Practical UNIX and Internet security Book by Simson Garfinkel