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InMemorySymmetricSecurityKey.GetIVSize Method

Gets the size, in bits, of the initialization vector (IV) that is required for the specified cryptographic algorithm.

Namespace:  System.IdentityModel.Tokens
Assembly:  System.IdentityModel (in System.IdentityModel.dll)

public override int GetIVSize(
	string algorithm
)

Parameters

algorithm
Type: System.String
The cryptographic algorithm to get the size of the initialization vector (IV).

Return Value

Type: System.Int32
The size, in bits, of the initialization vector (IV) that is required for the cryptographic algorithm specified in the algorithm parameter.

ExceptionCondition
InvalidOperationException

algorithm is not supported. The supported algorithms are TripleDesEncryption, Aes128Encryption, Aes192Encryption, and Aes256Encryption.

Use the fields that represent encryption algorithms in the SecurityAlgorithms class to specify the algorithm.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.

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