Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Decode Method
Collapse the table of content
Expand the table of content

MachineKey.Decode Method

.NET Framework 4.6 and 4.5

Note: This API is now obsolete.

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)

[ObsoleteAttribute("This method is obsolete and is only provided for compatibility with existing code. It is recommended that new code use the Protect and Unprotect methods instead.")]
public static byte[] Decode(
	string encodedData,
	MachineKeyProtection protectionOption


Type: System.String

The encrypted data to decrypt and/or validate.

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
Obsolete (compiler warning) in 4.6
Obsolete (compiler warning) in 4.6
Obsolete (compiler warning) in 4.5
Obsolete (compiler warning) in 4.5.1
Obsolete (compiler warning) in 4.5.2
© 2015 Microsoft