支持对Excel XP以来的高级保护设置
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介绍
Aspose.Cells支持使用XAdES签名对工作簿进行签名。为此,API提供了 DigitalSignature 类和 XAdESType 枚举。
如何为Excel添加XAdES签名
以下代码片段演示了如何使用 DigitalSignature 类 对 源文件 的工作簿进行签名。
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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"); |