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Target customers: Customers who need cost-effective solutions with minimal business impact, and require self-managed encryption keys and algorithms. Feature description: Column encryption has gained customer recognition for its minimal modification requirements and low performance overhead. This iteration enhances security to address existing risks in self-managed key systems: 1. Integrates with KMS for key management, where KMS creates and manages encryption keys. Data Security Center (DSC) performs encryption and decryption operations using these keys. 2. Supports the AES-256 algorithm for encryption.