Supporto per la firma XAdES
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Introduzione
Aspose.Cells fornisce supporto per la firma dei workbook con firma XAdES. A questo scopo, l’API fornisce la classe DigitalSignature e l’enumerazione XAdESType.
Come Aggiungere la Firma XAdES per Excel
Il seguente frammento di codice dimostra l’uso della classe DigitalSignature per firmare il workbook source.
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
//Source directory | |
string sourceDir = RunExamples.Get_SourceDirectory(); | |
//Output directory | |
string outputDir = RunExamples.Get_OutputDirectory(); | |
Workbook workbook = new Workbook(sourceDir + "sourceFile.xlsx"); | |
string password = "pfxPassword"; | |
string pfx = "pfxFile"; | |
DigitalSignature signature = new DigitalSignature(File.ReadAllBytes(pfx), password, "testXAdES", DateTime.Now); | |
signature.XAdESType = XAdESType.XAdES; | |
DigitalSignatureCollection dsCollection = new DigitalSignatureCollection(); | |
dsCollection.Add(signature); | |
workbook.SetDigitalSignature(dsCollection); | |
workbook.Save(outputDir + "XAdESSignatureSupport_out.xlsx"); |