Aspose.Pdf - PDF数字签名

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通过Aspose.Pdf可以便捷地实现对PDF文件的数字签名处理。

Aspose.Pdf - PDF数字签名

1 Example

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using Aspose.Pdf.Forms;
using Aspose.Pdf.Facades;

namespace SignTest
{
    
    class Program
    {
        static string MyDir = "C:\\Dev\\Test\\";

        static void signAndSave(string inFile,
                string outFile,
                string sigPath,
                string sigPassword,
                string sigReason,
                string sigContactInfo,
                string sigLocation,
                int pageNo,
                int x,
                int y,
                int width,
                int height,
                string sigAppearancePath)
        {
            // sign
            PKCS1 sig = new PKCS1(sigPath, sigPassword);
            sig.Reason = sigReason;
            sig.ContactInfo = sigContactInfo;
            sig.Location = sigLocation;
            PdfFileSignature pdfSign = new PdfFileSignature(inFile, outFile);
            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(x, y, width, height);
            pdfSign.SignatureAppearance = sigAppearancePath;
            pdfSign.Sign(pageNo, true, rect, sig);
            pdfSign.Save();
            pdfSign.Close();
        }

        static void Main(string[] args)
        {
            // sign 1
            signAndSave(MyDir + "quotation.pdf",
            MyDir + "quotation_signed1.pdf",
            MyDir + "Heary.pfx",
            "password",
            "Software Dev",
            "Heary",
            "SuZhou",
            1,
            100,
            100,
            100,
            50,
            MyDir + "heary.jpg");
        }
    }
}