checksumCrc32
The base64-encoded, 32-bit CRC32 checksum of the object. This will only be present if it was uploaded with the object. For more information, see Checking object integrity in the Amazon S3 User Guide.
The base64-encoded, 32-bit CRC32 checksum of the object. This will only be present if it was uploaded with the object. For more information, see Checking object integrity in the Amazon S3 User Guide.