Fast Disk Encryption Through GPGPU Acceleration

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Provided by: Politecnico di Bari
Topic: Storage
Format: PDF
Data storage encryption has always been a key point in warranting confidentiality, but encrypting large disk volumes imposes a significant computational load on the CPUs. In case of a single host system the CPU time used for encryption is subtracted from the one available for coping with the user's needs. On dedicated Network Area Storage managers (NAS) throughput is sacrificed in order to deal with the additional workload due to encryption. A way to reduce this computational load is to employ dedicated ASIC coprocessors but this comes at a major cost, especially on user machines.
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