With this element a checksum for the root-element in the compressed storage format can be provided. For the Fib XML format, these information is irrelevant.
The checksum element is a property vector for a checksums, as described in section 22.3.3 on page .
An example for the checksum element / vector:
<vector type="property.checksum"> <value>1</value> <value>256</value> <value>64</value> </vector>