IRichEditDocumentServer.EncryptedFileIntegrityCheckFailed Event

Raises when the encrypted file did not pass the data integrity verification.

Assembly : DevExpress.RichEdit.v25.2.Core.dll

NuGet Package : DevExpress.RichEdit.Core

Declaration

C#
VB.NET

csharp

event EncryptedFileIntegrityCheckFailedEventHandler EncryptedFileIntegrityCheckFailed

Event EncryptedFileIntegrityCheckFailed As EncryptedFileIntegrityCheckFailedEventHandler

Event Data

The EncryptedFileIntegrityCheckFailed event's data class is EncryptedFileIntegrityCheckFailedEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.

Remarks

RichEditDocumentServer uses the Hash-based message authentication code (HMAC) to verify the document data integrity. If the document did not pass the code verification, the EncryptedFileIntegrityCheckFailed event fires.

Note

The HMAC is calculated only for certain encryption types. When you save a password encrypted workbook, set the EncryptionOptions.Type to the EncryptionType.Strong to calculate HMAC.