checksumSha1
The Base64 encoded, 160-bit SHA1 digest 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, 160-bit SHA1 digest 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.