Selective Encryption for Processing-in-Memory

Abstract

Selective encryption for processing-in-memory is described. In implementations, an encryption scheme used by a host processing device is different than an encryption scheme used by a memory device coupled to the host processing device. By designating data elements for encryption using a memory encryption scheme, the host processing device offloads encryption of the data elements to a memory device. Offloading encryption to the memory device enables the memory device to retrieve encrypted data from memory, decrypt the data, perform one or more processing-in-memory operations on the decrypted data using a processing-in-memory component of the memory device. Following completion of processing-in-memory operations, the memory device re-encrypts the data and stores the re-encrypted data in memory without transmitting the data to the host processing device.

CPC Classifications