Class LtvVerificationInfo

Represents the LTV verification information.

Inheritance

System.Object

LtvVerificationInfo

Namespace: Syncfusion.Pdf.Security

Assembly: Syncfusion.Pdf.Base.dll

Syntax

public class LtvVerificationInfo : Object

Examples

// Loads an existing document
PdfLoadedDocument document = new PdfLoadedDocument(fileName);
// Gets the signature field
PdfLoadedSignatureField signatureField = document.Form.Fields[0] as PdfLoadedSignatureField;
// Validate signature and get validation result
PdfSignatureValidationResult result = signatureField.ValidateSignature();
// Gets the LTV verification Information.
LtvVerificationInfo ltvVerificationInfo = result.LtvVerificationInfo;
// Checks whether the signature document LTV is enabled.
bool isLtvEnabled = ltvVerificationInfo.IsLtvEnabled;
// Close the document
document.Close(true);

' Loads an existing document
Dim document As PdfLoadedDocument = New PdfLoadedDocument(fileName)
' Gets the signature field
Dim signatureField As PdfLoadedSignatureField = document.Form.Fields[0] As PdfLoadedSignatureField
' Validate signature and get validation result
Dim result As PdfSignatureValidationResult = signatureField.ValidateSignature()
' Gets the LTV verification Information
Dim ltvVerificationInfo As LtvVerificationInfo = result.LtvVerificationInfo
/// ' Checks whether the signature document LTV is enabled.
Dim isLtvEnabled As Boolean = ltvVerificationInfo.IsLtvEnabled
' Close the document
document.Close(true)

Constructors

LtvVerificationInfo()

Declaration

public LtvVerificationInfo()

Properties

IsCrlEmbedded

Gets a value to check whether the CRL is embedded in the signature document.

Declaration

public bool IsCrlEmbedded { get; }

Property Value

Type
System.Boolean

Examples

// Loads an existing document
PdfLoadedDocument document = new PdfLoadedDocument(fileName);
// Gets the signature field
PdfLoadedSignatureField signatureField = document.Form.Fields[0] as PdfLoadedSignatureField;
// Validate signature and get validation result
PdfSignatureValidationResult result = signatureField.ValidateSignature();
// Gets the LTV verification Information.
LtvVerificationInfo ltvVerificationInfo = result.LtvVerificationInfo;
// Checks whether the signature document has CRL embedded.
bool isCrlEmbedded = ltvVerificationInfo.IsCrlEmbedded;
// Close the document
document.Close(true);

' Loads an existing document
Dim document As PdfLoadedDocument = New PdfLoadedDocument(fileName)
' Gets the signature field
Dim signatureField As PdfLoadedSignatureField = document.Form.Fields[0] As PdfLoadedSignatureField
' Validate signature and get validation result
Dim result As PdfSignatureValidationResult = signatureField.ValidateSignature()
' Gets the LTV verification Information
Dim ltvVerificationInfo As LtvVerificationInfo = result.LtvVerificationInfo
/// ' Checks whether the signature document has CRL embedded
Dim isCrlEmbedded As Boolean = ltvVerificationInfo.IsCrlEmbedded
' Close the document
document.Close(true)

IsLtvEnabled

Gets whether the signature is LTV enabled.

Declaration

public bool IsLtvEnabled { get; }

Property Value

Type
System.Boolean

Remarks

The LTV verification depends on the RevocationResult which is embedded in the document DSS entry.

Examples

// Loads an existing document
PdfLoadedDocument document = new PdfLoadedDocument(fileName);
// Gets the signature field
PdfLoadedSignatureField signatureField = document.Form.Fields[0] as PdfLoadedSignatureField;
// Validate signature and get validation result
PdfSignatureValidationResult result = signatureField.ValidateSignature();
// Gets the LTV verification Information.
LtvVerificationInfo ltvVerificationInfo = result.LtvVerificationInfo;
// Checks whether the signature document LTV is enabled.
bool isLtvEnabled = ltvVerificationInfo.IsLtvEnabled;
// Close the document
document.Close(true);

' Loads an existing document
Dim document As PdfLoadedDocument = New PdfLoadedDocument(fileName)
' Gets the signature field
Dim signatureField As PdfLoadedSignatureField = document.Form.Fields[0] As PdfLoadedSignatureField
' Validate signature and get validation result
Dim result As PdfSignatureValidationResult = signatureField.ValidateSignature()
' Gets the LTV verification Information
Dim ltvVerificationInfo As LtvVerificationInfo = result.LtvVerificationInfo
/// ' Checks whether the signature document LTV is enabled.
Dim isLtvEnabled As Boolean = ltvVerificationInfo.IsLtvEnabled
' Close the document
document.Close(true)

IsOcspEmbedded

Gets a value to check whether the OCSP is embedded in the signature document.

Declaration

public bool IsOcspEmbedded { get; }

Property Value

Type
System.Boolean

Examples

// Loads an existing document
PdfLoadedDocument document = new PdfLoadedDocument(fileName);
// Gets the signature field
PdfLoadedSignatureField signatureField = document.Form.Fields[0] as PdfLoadedSignatureField;
// Validate signature and get validation result
PdfSignatureValidationResult result = signatureField.ValidateSignature();
// Gets the LTV verification Information.
LtvVerificationInfo ltvVerificationInfo = result.LtvVerificationInfo;
// Checks whether the signature document has OCSP embedded.
bool isOcspEmbedded = ltvVerificationInfo.IsOcspEmbedded;
// Close the document
document.Close(true);

' Loads an existing document
Dim document As PdfLoadedDocument = New PdfLoadedDocument(fileName)
' Gets the signature field
Dim signatureField As PdfLoadedSignatureField = document.Form.Fields[0] As PdfLoadedSignatureField
' Validate signature and get validation result
Dim result As PdfSignatureValidationResult = signatureField.ValidateSignature()
' Gets the LTV verification Information
Dim ltvVerificationInfo As LtvVerificationInfo = result.LtvVerificationInfo
/// ' Checks whether the signature document has OCSP embedded
Dim isOcspEmbedded As Boolean = ltvVerificationInfo.IsOcspEmbedded
' Close the document
document.Close(true)