Properties of checksum Layer

The <checksum> layer has all the common properties as well as ones listed below. Refer to <checksum> Layer chapter for detailed description.

Property Name	Allowed type / value	DSL Version	Required	Default Value	Description
alg	"sum", "crc-ccitt", "crc-16", "crc-32", "custom"	1	yes		Checksum calculation algorithm.
algName	name string	1	no (unless alg is custom)		Name of the custom algorithm. Applicable only if alg="custom".
from	name string	1	yes (only if until is not specified)		Name of the frame layer, from which the checksum calculation starts.
until	name string	1	yes (only if from is not specified)		Name of the frame layer, until (and including) which the checksum calculation is executed.
verifyBeforeRead	bool	1	no	false	Perform checksum verification without reading values of other layers.