DataProtectionPermissionFlags Enumeration
This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
Namespace: System.Security.PermissionsAssembly: System.Security (in system.security.dll)
'Declaration <SerializableAttribute> _ <FlagsAttribute> _ Public Enumeration DataProtectionPermissionFlags 'Usage Dim instance As DataProtectionPermissionFlags
/** @attribute SerializableAttribute() */ /** @attribute FlagsAttribute() */ public enum DataProtectionPermissionFlags
SerializableAttribute FlagsAttribute public enum DataProtectionPermissionFlags
| Member name | Description | |
|---|---|---|
| AllFlags | The ability to encrypt data, encrypt memory, unencrypt data, and unencrypt memory. | |
| NoFlags | No protection abilities. | |
| ProtectData | The ability to encrypt data. | |
| ProtectMemory | The ability to encrypt memory. | |
| UnprotectData | The ability to unencrypt data. | |
| UnprotectMemory | The ability to unencrypt memory. |
This enumeration is used by the DataProtectionPermission and DataProtectionPermissionAttribute classes to protect access to encrypted data and memory using the ProtectedData and ProtectedMemory classes.
Caution |
|---|
| Many of these flags can have powerful effects and should be granted only to highly trusted code. |
The following code example shows the use of the DataProtectionPermissionFlags enumeration. This code example is part of a larger example provided for the DataProtectionPermission class.
<DataProtectionPermission( _
SecurityAction.Deny, _
Flags:=DataProtectionPermissionFlags.ProtectData)> _
Private Sub TryProtectData()
Try
ProtectData()
Catch ex As SecurityException
Dim protectionPermission As DataProtectionPermission
protectionPermission = _
CType(ex.DenySetInstance, DataProtectionPermission)
WriteLine("Security exception thrown when attempting: " + _
protectionPermission.Flags.ToString())
End Try
End Sub
/** @attribute DataProtectionPermission(SecurityAction.Deny,
Flags = DataProtectionPermissionFlags.ProtectData)
*/
private static void TryProtectData()
{
try {
ProtectData();
return;
}
catch (System.Security.SecurityException e) {
Console.WriteLine("A security exception thrown when attempting:"
+ ((DataProtectionPermission)(e.get_DenySetInstance())).
get_Flags());
return;
}
} //TryProtectData
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
Caution