| Microsoft XML Core Services (MSXML) 5.0 for Microsoft Office - Digital Signatures |  |
| Microsoft XML Core Services (MSXML) 5.0 for Microsoft Office - Digital Signatures | |
Before you use IXMLDigitalSignature or IXMLDigitalSignatureEx interface to sign an XML document, you must have a digital certificate installed on your machine. To obtain a digital certificate, you must either create or have access to a certificate authority (CA). You also need to install CAPICOM 2.0 on your machine.
The following topics describe how perform the necessary steps to get started with XML Digital Signatures.