Patent ID: 11934667
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. A computer-implemented method comprising:
receiving, at a storage device, a data block from a source, the data block to be written to a memory of the storage device;
determining, at the storage device, a respective entropy amount of only one sub-block of a plurality of sub-blocks of the data block;
determining, at the storage device, that the data block is encrypted based only on the respective amount of entropy determined for the only one sub-block of the data block and not based on a respective amount of entropy determined for another sub-block of the data block; and
in response to determining that the data block is encrypted, writing, at the storage device, the data block to the memory of the storage device.