The encryption speed of transformation-free data encryption, also known as lightweight or in-place encryption, depends on the specific algorithm and hardware used. Since it avoids data transformation or reorganization, it typically achieves faster speeds compared to traditional encryption methods that require data restructuring.
For example, AES-XTS (used for disk encryption) is a transformation-free encryption mode that encrypts data at block level without reordering, making it efficient for storage systems. On modern CPUs with AES-NI instructions, AES-XTS can encrypt data at speeds of several gigabytes per second.
In cloud environments, Tencent Cloud's CBS (Cloud Block Storage) supports hardware-accelerated encryption, leveraging similar lightweight encryption techniques to ensure high-speed data protection without performance degradation. This is ideal for scenarios requiring low-latency encryption, such as databases or real-time analytics.