DataProtector.ProviderUnprotect(Byte[]) DataProtector.ProviderUnprotect(Byte[]) DataProtector.ProviderUnprotect(Byte[]) DataProtector.ProviderUnprotect(Byte[]) Method

Définition

Spécifie la méthode déléguée dans la classe dérivée appelée par la méthode Unprotect(Byte[]) dans la classe de base.Specifies the delegate method in the derived class that the Unprotect(Byte[]) method in the base class calls back into.

protected:
 abstract cli::array <System::Byte> ^ ProviderUnprotect(cli::array <System::Byte> ^ encryptedData);
protected abstract byte[] ProviderUnprotect (byte[] encryptedData);
abstract member ProviderUnprotect : byte[] -> byte[]
Protected MustOverride Function ProviderUnprotect (encryptedData As Byte()) As Byte()

Paramètres

encryptedData
Byte[]

Données à chiffrer.The data to be unencrypted.

Retours

Byte[]

Données non chiffrées.The unencrypted data.

Exemples

L'exemple suivant illustre une implémentation de la méthode ProviderUnprotect.The following example shows an implementation of the ProviderUnprotect method. Elle fait partie d’un exemple de code plus large DataProtector pour la classe.It is part of a larger code example for the DataProtector class.

// To allow a service to hand out instances of a DataProtector we demand unrestricted DataProtectionPermission 
// in the constructor, but Assert the permission when ProviderUnprotect is called..  This is similar to FileStream
// where access is checked at time of creation, not time of use.
[SecuritySafeCritical]
[DataProtectionPermission(SecurityAction.Assert, UnprotectData = true)]
protected override byte[] ProviderUnprotect(byte[] encryptedData)
{

    ProtectedMemory.Unprotect(encryptedData,Scope);           
        return encryptedData;
}
' To allow a service to hand out instances of a DataProtector we demand unrestricted DataProtectionPermission 
' in the constructor, but Assert the permission when ProviderUnprotect is called..  This is similar to FileStream
' where access is checked at time of creation, not time of use.
<SecuritySafeCritical(), DataProtectionPermission(SecurityAction.Assert, UnprotectData:=True)> _
Protected Overrides Function ProviderUnprotect(ByVal encryptedData() As Byte) As Byte()

    ProtectedMemory.Unprotect(encryptedData, Scope)
    Return encryptedData

End Function 'ProviderUnprotect

S’applique à