Introduction to cryptography

Focusing on the practical applications of cryptography, this book demystifies modern cryptographic algorithms and their mathematical foundations for readers with basic math knowledge. It covers essential topics such as linear algebra, number theory, and probability theory, making complex concepts accessible. The content is derived from courses taught at the Technical University of Darmstadt since 1996, reflecting the author's experience and the contributions of dedicated students. The aim is to empower users to assess the efficiency and security of cryptographic techniques effectively.