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SymmetricAlgorithm.KeySize Property

Gets or sets the size, in bits, of the secret key used by the symmetric algorithm.

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

public virtual int KeySize { get; set; }

Property Value

Type: System.Int32
The size, in bits, of the secret key used by the symmetric algorithm.

ExceptionCondition
CryptographicException

The key size is not valid.

The valid key sizes are specified by the particular symmetric algorithm implementation and are listed in the LegalKeySizes property.

.NET Framework

Supported in: 4.5.3, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, 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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