PdfSignerHashAlgorithm Property

Gets or sets the hash algorithm that hashes the bytes of the document indicated by the ByteRange and the ByteRange shall specify the complete PDF file contents (excepting the Content value).

Default value: SHA256.

Namespace: SautinSoft.Pdf.Forms
Assembly: SautinSoft.Pdf (in SautinSoft.Pdf.dll) Version: 2025.4.23

Syntax

Copy

public PdfHashAlgorithm HashAlgorithm { get; set; }

Public Property HashAlgorithm As PdfHashAlgorithm
	Get
	Set

Property Value

PdfHashAlgorithm
The hash algorithm that hashes the bytes of the document indicated by the ByteRange.

Exceptions

Exception	Condition
ArgumentException	The specified hash algorithm value is not supported for creating a digital signature or signer's certificate has a 'DSA' public key and the specified value is not SHA1.

Reference

PdfSigner Class

SautinSoft.Pdf.Forms Namespace