Class CryptographicStandard

Specifies the cryptographic standard.

Inheritance

System.Object

CryptographicStandard

Namespace: Syncfusion.Pdf.Security

Assembly: Syncfusion.Pdf.Base.dll

Syntax

public sealed class CryptographicStandard : Enum

Examples

//Creates a new PDF document.
PdfDocument document = new PdfDocument();
//Adds a new page.
PdfPageBase page = document.Pages.Add();
PdfGraphics graphics = page.Graphics;
//Creates a certificate instance from PFX file with private key.
PdfCertificate pdfCert = new PdfCertificate(@"PDF.pfx", "syncfusion");
//Creates a digital signature.
PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
//Sets signature settings to customize digestion algorithm and cryptographic standrad specified
PdfSignatureSettings properties = signature.Settings;
properties.CryptographicStandard = CryptographicStandard.CADES;
//Sets an image for signature field.
PdfBitmap signatureImage = new PdfBitmap(@"signature.jpg");
//Sets signature information
signature.Bounds = new RectangleF(new PointF(0, 0), signatureImage.PhysicalDimension);
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
//Draws the signature image.
graphics.DrawImage(signatureImage, 0, 0);
//Saves and closes the document.
document.Save("Output.pdf");
document.Close(true);

'Creates a new PDF document.
Dim document As New PdfDocument()
'Adds a new page.
Dim page As PdfPageBase = document.Pages.Add()
Dim graphics As PdfGraphics = page.Graphics
'Creates a certificate instance from PFX file with private key.
Dim pdfCert As New PdfCertificate("PDF.pfx", "syncfusion")
'Creates a digital signature.
Dim signature As New PdfSignature(document, page, pdfCert, "Signature")
'Sets signature settings to customize digestion algorithm and cryptographic standrad specified
Dim properties As PdfSignatureSettings = signature.Settings;
properties.CryptographicStandard = CryptographicStandard.CADES;
'Sets an image for signature field.
Dim signatureImage As New PdfBitmap("signature.jpg")
'Sets signature info.
signature.Bounds = New RectangleF(New PointF(0, 0), signatureImage.PhysicalDimension)
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
'Draws the signature image.
graphics.DrawImage(signatureImage, 0, 0)
'Saves and closes the document.
document.Save("Output.pdf")
document.Close(True)

Fields

CADES

CMS Advanced Electronic Signatures

Declaration

public const CryptographicStandard CADES

Field Value

Type
CryptographicStandard

CMS

Cryptographic Message Syntax

Declaration

public const CryptographicStandard CMS

Field Value

Type
CryptographicStandard