XML formatted digital signature

The XML formatted digital signature is based in XML Dsig standard.

XML formatted digital signature scenarios

Regarding the situación of data that will be signed regarding its signature there is the following situation:

1. Enveloping Signature: The XML signature wraps the signed content.
2. Detached Signature: The signed object is separated from the XML signature.
3. Enveloped Signature: The content you want to sign wraps the signature.

The XML document signature may be very useful to sign electronic invoices Facturae formatted.