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InMemorySymmetricSecurityKey.EncryptKey Method

Encrypts the specified key.

Namespace:  System.IdentityModel.Tokens
Assembly:  System.IdentityModel (in System.IdentityModel.dll)

public override byte[] EncryptKey(
	string algorithm,
	byte[] keyData


Type: System.String

The cryptographic algorithm to encrypt the key with.

Type: System.Byte[]

An array of Byte that contains the key.

Return Value

Type: System.Byte[]
An array of Byte that contains the encrypted key.


algorithm is not supported. The supported algorithms are TripleDesKeyWrap, Aes128KeyWrap, Aes192KeyWrap, or Aes256KeyWrap.

Use the static fields of the SecurityAlgorithms class to specify the algorithm.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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