Table of Contents

Class PdfSignatureField.Keys

Namespace
PdfSharp.Pdf.AcroForms
Assembly
PdfSharp.dll

Predefined keys of this dictionary. The description comes from PDF 1.4 Reference.

public class PdfSignatureField.Keys : PdfAcroField.Keys
Inheritance
PdfSignatureField.Keys
Inherited Members

Constructors

Keys() 

public Keys()

Fields

ByteRange

(Required) An array of pairs of integers (starting byte offset, length in bytes) describing the exact byte range for the digest calculation. Multiple discontinuous byte ranges may be used to describe a digest that does not include the signature token itself.

public const string ByteRange = "/ByteRange"

Field Value

string

Contents

(Required) The encrypted signature token.

public const string Contents = "/Contents"

Field Value

string

Filter

(Required; inheritable) The name of the signature handler to be used for authenticating the field’s contents, such as Adobe.PPKLite, Entrust.PPKEF, CICI.SignIt, or VeriSign.PPKVS.

public const string Filter = "/Filter"

Field Value

string

Location

(Optional) The CPU host name or physical location of the signing.

public const string Location = "/Location"

Field Value

string

M

(Optional) The time of signing. Depending on the signature handler, this may be a normal unverified computer time or a time generated in a verifiable way from a secure time server.

public const string M = "/M"

Field Value

string

Name

(Optional) The name of the person or authority signing the document.

public const string Name = "/Name"

Field Value

string

Reason

(Optional) The reason for the signing, such as (I agree…).

public const string Reason = "/Reason"

Field Value

string

SubFilter

(Optional) The name of a specific submethod of the specified handler.

public const string SubFilter = "/SubFilter"

Field Value

string

Type

(Optional) The type of PDF object that this dictionary describes; if present, must be Sig for a signature dictionary.

public const string Type = "/Type"

Field Value

string