The XdSignatureRelation enumeration is used to determine how digital signatures can be added to a SignedDataBlock object. These enumerated values are read-only.
| Name | Value | Description |
|---|---|---|
| xdSignatureRelationCoSign | 2 | Specifies that signatures are independent of each other in the SignedDataBlock object. |
| xdSignatureRelationCounterSign | 3 | Specifies that each signature signs the preceding signature in the SignedDataBlock object. |
| xdSignatureRelationSingle | 1 | Specifies that only one signature can exist in the SignedDataBlock object. |