Secret Key Cryptography: Ciphers, from Simple to Unbreakable

Practical Microcontroller Cryptography: From Simple Ciphers to Secure Systems

Practical Cryptography: From Classical Ciphers to Post Quantum Standards

The Mathematics of Secrets Cryptography from Caesar Ciphers to Digital Encryption

Understanding Cryptography: From Established Symmetric and Asymmetric Ciphers to Post Quantum Algorithms