Homomorphic Encryption: Applications and Implementations

This lecture covers the concept of homomorphic encryption, its importance in various fields such as medical research, insurance, and banking, as well as its challenges and comparisons with Trusted Execution Environments. It also discusses different types and implementations of homomorphic encryption, including speed comparisons and elliptic curve notations. The lecture delves into the El Gamal encryption scheme with elliptic curves, showcasing how it enables secret calculations and secure message transmission. Additionally, it explores the use of aggregated keys for secure data sharing among multiple parties, highlighting the risks and precautions associated with decryption using aggregated keys.