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AesCryptoServiceProvider.Key Property

Gets or sets the symmetric key that is used for encryption and decryption.

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

public override byte[] Key { get; set; }

Property Value

Type: System.Byte[]
The symmetric key that is used for encryption and decryption.

ExceptionCondition
ArgumentNullException

The value for the key is null.

CryptographicException

The size of the key is invalid.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.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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