Explore the essentials of cryptography in this 34-minute conference talk by Laurențiu Spilcă and Ionuț Baloșin at Devoxx. Demystify cryptographic concepts that every Java developer should understand to better protect sensitive data and enhance application security. Drawing from the book "Software Security for Developers" by Adib Saikali and Laurentiu Spilca, the presentation covers fundamental cryptographic principles and their practical implementation in Java, including encryption techniques, hashing methods, best practices for secure key management, and common mistakes to avoid. Gain the foundational knowledge needed to confidently implement cryptographic solutions when securing APIs, protecting user data, or strengthening your codebase.