Provides strong coverage of this important topic.

Enables students to focus on and understand the recently adopted Advanced Encryption Standard (replacing the Data Encryption Standard) as the default for financial and web transactions.

Provides students with numerous topics in cryptology, number theory, and error correcting codes not found in other texts.

Supplies students with explicit examples of how to use these technology products to perform calculations related to the course, and enables them to better understand the ideas developed in the text.

Shows students how the solution was worked out—not just the correct answer.

Enables users to have an abundance of practice problems.