SignatureOptions.DigestMethod Property

Gets or sets the signature digest method (the algorithm used to hash the signature).

Namespace: DevExpress.Office.DigitalSignatures

Assembly: DevExpress.Docs.v20.2.dll

NuGet Package: DevExpress.Document.Processor

NuGet Packages: DevExpress.Document.Processor, DevExpress.WindowsDesktop.Document.Processor

Declaration

C#

public HashAlgorithmType DigestMethod { get; set; }

VB.NET

Public Property DigestMethod As HashAlgorithmType

Property Value

Type	Description
HashAlgorithmType	An enumeration value that indicates the digest method.

Available values:

Name	Description
SHA1	SHA1 hashing algorithm. This type can affect the signature’s integrity, authenticity, and legal validity.
SHA256	SHA256 hashing algorithm.
SHA384	SHA384 hashing algorithm.
SHA512	SHA512 hashing algorithm.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the DigestMethod property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

word-document-api-sign-document-and-validate-signature/CS/WordDocumentDigitalSignatureSample/Program.cs#L42

options.CertificateKeyUsageFlags = X509KeyUsageFlags.None;
options.DigestMethod = HashAlgorithmType.SHA256;

spreadsheet-document-api-sign-workbook-and-validate-signature/CS/WorkbookDigitalSignatureSample/Program.cs#L46

options.CertificateKeyUsageFlags = X509KeyUsageFlags.None;
options.DigestMethod = HashAlgorithmType.SHA256;

VB.NET

word-document-api-sign-document-and-validate-signature/VB/WordDocumentDigitalSignatureSample/Program.vb#L39

options.CertificateKeyUsageFlags = X509KeyUsageFlags.None
options.DigestMethod = HashAlgorithmType.SHA256
Dim policy As X509ChainPolicy = New X509ChainPolicy()

spreadsheet-document-api-sign-workbook-and-validate-signature/VB/WorkbookDigitalSignatureSample/Program.vb#L42

options.CertificateKeyUsageFlags = X509KeyUsageFlags.None
options.DigestMethod = HashAlgorithmType.SHA256