*Introduction to Number-Theoretic Methods in Cryptography* by a team of authors—M.M. Glukhoy, I.A. Kruglov, A.B. Pichkur, and A.V. Cheryomushkin—is an engaging and in-depth exploration of the field of cryptography. Perfect for students and professionals alike, this book serves as a comprehensive guide to the complex yet fascinating world of number-theoretic techniques that underpin modern cryptographic systems. From the very first pages, readers are immersed in a universe of numbers and algorithms, discovering how mathematical concepts can be harnessed to safeguard information. Drawing on their extensive expertise in mathematics and computer science, the authors share insights into how these theoretical methods enable the creation of secure cryptographic protocols. The book covers key topics such as encryption, digital signatures, and key generation algorithms, illustrating how these techniques are practically applied in today’s data protection systems. Designed especially for students and graduate researchers in computer science, mathematics, and related fields, the book also appeals to cybersecurity specialists, programmers, and anyone interested in understanding how mathematical theories can address real-world security challenges. If you’re eager to delve into cryptography and learn how to protect your data from unauthorized access, this publication will become an invaluable resource. The book explores a broad spectrum of topics, from the fundamentals of number theory to cutting-edge approaches in cryptography. The authors emphasize the importance of mathematical foundations in developing reliable security systems, explaining how various encryption algorithms operate and the mathematical principles behind them. Readers will see how abstract theories translate into practical tools used to defend digital information. Written with clarity and accessibility, the authors make complex mathematical ideas understandable even for those without advanced backgrounds in the subject. Rich with examples and exercises, the book helps reinforce concepts and encourages practical application. The authors also share their own research and achievements in cryptography, adding unique value to the work. If you’re seeking a book that will deepen your understanding of cryptography and teach you how to protect your data effectively, *Introduction to Number-Theoretic Methods in Cryptography* is an excellent choice. Not only will it broaden your knowledge, but it will also inspire further exploration of this exciting and vital field. Suitable for those already familiar with basic cryptography as well as newcomers eager to start their journey, this book is a must-have. In short, *Introduction to Number-Theoretic Methods in Cryptography* is more than just a textbook—it's a valuable resource for anyone looking to master the intricacies of information security. The authors offer a unique perspective grounded in rigorous mathematics and practical experience. If you want to stay ahead in a world where data becomes increasingly vulnerable, this book will be your trusted guide.