# XML Signature

Source: https://xmlvalid.com/schemas/xmldsig

> The structure of an XML digital signature: SignedInfo, references, digests and key information.

XMLDSig is the signature format inside SAML, e-invoices (XAdES), ISO 20022 and many government filings. The same core schema serves XML Signature 1.0 and 1.1.

- Type: XSD
- Version: 1.0 (second edition)
- Namespace: `http://www.w3.org/2000/09/xmldsig#`
- Root element: `Signature`
- Publisher: W3C (W3C Software and Document License), source: https://www.w3.org/TR/xmldsig-core/
- Validate against it: https://xmlvalid.com/validate?schema=xmldsig

## Notes

- Only the structure is checked. Digests and the signature value are not computed or verified.
- The example is by xmlvalid.com; its values are placeholders and do not verify.