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MachineKeySection.Validation Property

Specifies the hashing algorithm that is used for validating forms authentication and view state data.

Namespace:  System.Web.Configuration
Assembly:  System.Web (in System.Web.dll)

'Declaration
Public Property Validation As MachineKeyValidation

Property Value

Type: System.Web.Configuration.MachineKeyValidation
A value that indicates the hashing algorithm that is used to validate forms authentication and view state data.

The Validation property supports encryption algorithms that are defined by the MachineKeyValidation enumeration. This property is typically set declaratively in the decryption attribute of the machineKey element of the Web.config file. For more information, see the machineKey element.

The following example demonstrates how to set the Validation property by using code. This example is part of a larger example provided for the MachineKeySection class.


' Display Validation value.
Console.WriteLine("Validation: {0}", configSection.Validation)


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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