checksumCrc32C
The Base64 encoded, 32-bit CRC32C checksum of the object. This will only be present if the object was uploaded with the object. For more information, see Checking object integrity in the Amazon S3 User Guide.
The Base64 encoded, 32-bit CRC32C checksum of the object. This will only be present if the object was uploaded with the object. For more information, see Checking object integrity in the Amazon S3 User Guide.