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Explore advanced cryptographic techniques in this conference session from CHES 2025 focusing on arithmetic operations within homomorphic encryption schemes. Delve into cutting-edge research presentations that examine how to perform mathematical computations on encrypted data without decrypting it first, maintaining privacy while enabling useful calculations. Learn about the latest developments in homomorphic encryption protocols, implementation challenges, and practical applications where arithmetic operations on ciphertexts are essential. Discover new algorithms, optimization techniques, and security considerations that researchers are developing to make homomorphic encryption more efficient and practical for real-world deployment. Gain insights into the mathematical foundations underlying these cryptographic systems and understand how they enable privacy-preserving computation in various domains including cloud computing, machine learning, and secure data analysis.
