What is the primary security concern with homomorphic encryption?
Vulnerability to quantum computing attacks
Higher risk of side-channel attacks
Incompatibility with existing PKI systems
Significantly greater computational requirements
The correct answer is Significantly greater computational requirements. The primary security concern with homomorphic encryption is its extremely high computational overhead compared to traditional encryption methods. While homomorphic encryption allows computations on encrypted data without decrypting it first, current implementations are typically thousands to millions of times slower than operations on unencrypted data, making it impractical for many applications.
Vulnerability to quantum computing is incorrect because this is a concern for many encryption algorithms, not specifically homomorphic encryption.
Incompatibility with PKI is incorrect because this is not a significant issue specific to homomorphic encryption.
Higher risk of side-channel attacks is incorrect because side-channel attacks aren't inherently more problematic for homomorphic encryption than other cryptographic systems.
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