Patent ID: 11960423
Assignee: CHENGDU STARBLAZE TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The method according to claim 5, wherein indicating, by the key update command, the new key to be used and the storage address of data of the key to be updated;
the method further comprising:
reading data from the NVM chip of the solid-state storage device according to the storage address indicated by the key update command, and storing the data in a first address of a cache; wherein the data stored in the first address of the cache is the cipher text data encrypted by using the first key; and
transmitting the cipher text data in the first address of the cache to a second address of the cache according to the outgoing DMA command, wherein the second address of the cache stores the plaintext data.