Supporto per la firma XAdES
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Introduzione
Aspose.Cells per Python via .NET supporta la firma di workbooks con la firma XAdES. Per questo, l’API fornisce le classi DigitalSignature e le enumerazioni 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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| from aspose.cells import Workbook | |
| from aspose.cells.digitalsignatures import DigitalSignature, DigitalSignatureCollection, XAdESType | |
| from datetime import datetime | |
| # For complete examples and data files, please go to https:# github.com/aspose-cells/Aspose.Cells-for-.NET | |
| # Source directory | |
| sourceDir = RunExamples.Get_SourceDirectory() | |
| # Output directory | |
| outputDir = RunExamples.Get_OutputDirectory() | |
| workbook = Workbook(sourceDir + "sourceFile.xlsx") | |
| password = "pfxPassword" | |
| pfx = "pfxFile" | |
| signature = DigitalSignature(open(pfx, "rb").read(), password, "testXAdES", datetime.now()) | |
| signature.x_ad_es_type = XAdESType.X_AD_ES | |
| dsCollection = DigitalSignatureCollection() | |
| dsCollection.add(signature) | |
| workbook.set_digital_signature(dsCollection) | |
| workbook.save(outputDir + "XAdESSignatureSupport_out.xlsx") |