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MachineKey.Decode Method

Decodes and/or validates data that has been encrypted or provided with a hash-based message authentication code (HMAC).

Namespace:  System.Web.Security
Assembly:  System.Web (in System.Web.dll)
'Declaration
Public Shared Function Decode ( _
	encodedData As String, _
	protectionOption As MachineKeyProtection _
) As Byte()

Parameters

encodedData
Type: System.String
The encrypted data to decrypt and/or validate.
protectionOption
Type: System.Web.Security.MachineKeyProtection
Indicates whether the encodedData parameter should be encrypted and/or hashed.

Return Value

Type: System.Byte()
A Byte() array that represents the decrypted data.

For information about which encryption and hashing algorithms ASP.NET uses to decrypt and validate the data that is passed in, see machineKey Element (ASP.NET Settings Schema).

For a code example, see the MachineKey class overview.

.NET Framework

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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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