Patent ID: 11947673
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 13:
14. The method of claim 8, wherein the old version of the original data comprises an old version of a file data block, an old version of a hash data block, and an old version of a check data block, wherein the old version of the check data block comprises signature data of a root hash value in the old version of the hash data block, wherein the old version of the hash data block enables checking the old version of the file data block, and wherein the method further comprises:
integrating, using the TA, a new version of the file data block and a new version of the check data block based on the differential data and the old version of the original data;
calculating, using the TA, a hash tree of the new version of the file data block; and
generating, using the TA, a new version of the hash data block to obtain the new version of the original data that comprises the new version of the file data block, the new version of the hash data block, and the new version of the check data block, wherein the new version of the check data block comprises signature data of a root hash value in the new version of hash data block, and wherein the new version of the hash data block enables checking the new version of the file data block.