Sign document with XAdES Digital signature
GroupDocs.Signature provides DigitalSignOptions class to specify different amount of settings for Digital signature same as property XAdES of XAdES enumeration type. This property specifies the implementation of XAdES format for Spreadsheet documents only (for now).
Here are the steps to add XAdES type signature into document with GroupDocs.Signature:
- Create new instance of Signature class and pass source document path as a constructor parameter.
- Instantiate the DigitalSignOptions object with required certificate and its password.
- Set property XAdESType to value XAdES
- Call Sign method of Signature class instance and pass DigitalSignOptions to it.
- Analyze SignResult result to check newly created signatures if needed.
This example shows how to add Digital signature to document. See SignResult
using (Signature signature = new Signature("sample.xlsx"))
{
DigitalSignOptions options = new DigitalSignOptions("certificate.pfx")
{
// set XAdES type
XAdESType = XAdESType.XAdES,
// certificate password
Password = "1234567890",
// digital certificate details
Reason = "Sign",
Contact = "JohnSmith",
Location = "Office1"
};
SignResult signResult = signature.Sign(outputFilePath, options);
}
More resources
GitHub Examples
You may easily run the code above and see the feature in action in our GitHub examples:
- GroupDocs.Signature for .NET examples, plugins, and showcase
- GroupDocs.Signature for Java examples, plugins, and showcase
- Document Signature for .NET MVC UI Example
- Document Signature for .NET App WebForms UI Example
- Document Signature for Java App Dropwizard UI Example
- Document Signature for Java Spring UI Example
Free Online App
Along with full-featured .NET library we provide simple, but powerful free Apps.
You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.