توقيع

1// Create SignOptions object to set instructions
2var options = new SignOptions("path_to_your_pfx_file.pfx", "password_of_your_pfx_file");
3// Add input file path
4options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
5// Set output file path
6options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));
7// Perform the process
8PdfSecurity.Sign(options);

1using var pfxStream = File.OpenRead(@"path_to_your_pfx_file.pfx");
2var options = new SignOptions(pfxStream, "password_of_your_pfx_file");
3options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
4options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));
5// Perform the process
6PdfSecurity.Sign(options);

1var options = new SignOptions("path_to_your_pfx_file.pfx", "password_of_your_pfx_file");
2options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
3options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));
4// Configure invisible signature
5signOptions.Visible = false;
6// Perform the process
7PdfSecurity.Sign(options);

 1// Create SignOptions object to set instructions
 2var options = new SignOptions("path_to_your_pfx_file.pfx", "password_of_your_pfx_file");
 3// Add input file path
 4options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
 5// Set output file path
 6options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));
 7// Optional parameters
 8options.Reason = "my Reason";
 9options.Contact = "my Contact";
10options.Location = "my Location";
11options.PageNumber = 3;
12// Perform the process
13PdfSecurity.Sign(options);

1// Create SignOptions object to set instructions
2var options = new SignOptions("path_to_your_pfx_file.pfx", "password_for_your_pfx_file");
3options.TimestampOptions = new TimestampOptions("server_url");
4// Add input file path
5options.AddInput(new FileData("path_to_your_pdf_file.pdf"));
6// Set output file path
7options.AddOutput(new FileData("path_to_result_pdf_file.pdf"));
8// Perform the process
9PdfSecurity.Sign(options);

1// Configure the timestamping options with authentication
2options.TimestampOptions = new TimestampOptions("timestamp_server_url", "username:password");