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SymmetricAlgorithm.ValidKeySize Method

Determines whether the specified key size is valid for the current algorithm.

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

public bool ValidKeySize(
	int bitLength


Type: System.Int32
The length, in bits, to check for a valid key size.

Return Value

Type: System.Boolean
true if the specified key size is valid for the current algorithm; otherwise, false.

.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

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.