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Secure XML: The New Syntax for Signatures and Encryption by Kitty Niles, Donald E. Eastlake

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12.3. XAdES Signature Elements Syntax

This section describes the elements used to build an XAdES signature.

12.3.1. The SigningTime Element

SigningTime is a time stamp over the entire signature. It uses the schema dateTime type. Only one SigningTime element can appear in the signature. Its schema is as follows:

<!-- Start SigningTime element -->

<xsd:element name="SigningTime" type="xsd:dateTime"/>

12.3.2. The SigningCertificate Element

The SigningCertificate element is the source of the signer identity. Legal entities can have multiple certificates that the same or different certificate authorities issue containing the same key. As a signed property of the signature, the one SigningCertificate incorporated in an ETSI advanced signature remains ...

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