Class Signer

Computes a PKCS#7 CMS detached digital signature over PDF byte ranges.

Inheritance
object
Signer
Inherited Members
Namespace: DRIT.Pdf.Security
Assembly: DRIT.Pdf.dll
Syntax
public sealed class Signer

Constructors

Signer(DigitalId)

Creates a signer backed by digitalId.

Declaration
public Signer(DigitalId digitalId)
Parameters
Type Name Description
DigitalId digitalId

Properties

AuthorPermission

Certification permission applied by author signatures (DocMDP).

Declaration
public UserAccessPermissions AuthorPermission { get; set; }
Property Value
Type Description
UserAccessPermissions

PadesMode

When true uses the PAdES (ETSI.CAdES.detached) SubFilter; otherwise uses the classic adbe.pkcs7.detached SubFilter.

Declaration
public bool PadesMode { get; set; }
Property Value
Type Description
bool

SignatureFormat

Signature encoding/profile format.

Declaration
public SignatureFormat SignatureFormat { get; set; }
Property Value
Type Description
SignatureFormat

SignatureLevel

Requested PAdES profile level.

Declaration
public SignatureLevel SignatureLevel { get; set; }
Property Value
Type Description
SignatureLevel

SignaturePolicy

Optional ETSI signature policy identifier to embed in the signature (ETSI EN 319 142-1). When set, the policy OID (and hash, if present) is written into the signature's signature-policy-identifier attribute.

Declaration
public SignaturePolicyIdentifier? SignaturePolicy { get; set; }
Property Value
Type Description
SignaturePolicyIdentifier

Timestamper

Optional TSA configuration used for timestamped signatures.

Declaration
public Timestamper? Timestamper { get; set; }
Property Value
Type Description
Timestamper

ValidationInfo

Optional revocation / chain information to embed in the signature (LTV).

Declaration
public SignatureValidationInfo? ValidationInfo { get; set; }
Property Value
Type Description
SignatureValidationInfo