Explore a conference talk from Eurocrypt 2012 that delves into key-alternating ciphers in a provable setting, focusing on encryption. Learn about the research presented by authors Andrey Bogdanov, Lars R. Knudsen, Gregor Leander, François-Xavier Standaert, John P. Steinberger, and Elmar Tischhauser. Gain insights into their findings and methodologies during this 21-minute presentation, which contributes to the field of cryptography and secure communication systems.