An Introduction to Number Theory with Cryptography

An Introduction to Number Theory with Cryptography, 2nd Edition, is an undergraduate mathematics textbook that connects core number theory with cryptographic systems.

The volume covers classical foundations alongside modern encryption tools, exploring concepts that span from basic congruences to advanced subjects beyond standard coursework.

Designed for sophomore, junior, and senior undergraduates, the textbook also serves advanced high school students and independent learners through more than 800 exercises, projects, and computational explorations.