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SymmetricAlgorithm.KeySize Property

.NET Framework 4

Other Versions

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)

Syntax

C++

Copy

public virtual int KeySize { get; set; }

Property Value

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

Exceptions

Exception	Condition
CryptographicException	The key size is not valid.

Remarks

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

Version Information

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

SymmetricAlgorithm Class

System.Security.Cryptography Namespace

Other Resources

Cryptographic Services

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FAQ

Setting the KeySize wipes out the Key

I noticed that when Deserializing the AesCryptoServiceProvider I would never get the same key back. After I went step by step in restoring the values setting KeySize after the Key was already set it would create a new Key.

History

6/21/2011
acivic2nv