AesManaged.CreateDecryptor Method (array<Byte[], array<Byte[])

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Creates a symmetric decryptor object using the specified key and initialization vector (IV).

Namespace:  System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)


Public Overrides Function CreateDecryptor ( _
    key As Byte(), _
    iv As Byte() _
) As ICryptoTransform
public override ICryptoTransform CreateDecryptor(
    byte[] key,
    byte[] iv


  • key
    Type: array<System.Byte[]
    The secret key to use for the symmetric algorithm.
  • iv
    Type: array<System.Byte[]
    The initialization vector to use for the symmetric algorithm.

Return Value

Type: System.Security.Cryptography.ICryptoTransform
A symmetric decryptor object.


Exception Condition

key is nulla null reference (Nothing in Visual Basic).


The initialization vector iv is an invalid size.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.