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MACTripleDES Constructor (String, Byte[])

Initializes a new instance of the MACTripleDES class with the specified key data and using the specified implementation of TripleDES.

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

public MACTripleDES(
	string strTripleDES,
	byte[] rgbKey


Type: System.String

The name of the TripleDES implementation to use.

Type: System.Byte[]

The secret key for MACTripleDES encryption.


The rgbKey parameter is null.


The strTripleDES parameter is not a valid name of a TripleDES implementation.

The strTripleDES parameter is the friendly name of the TripleDES implementation type. The default implementation is System.Security.Cryptography.TripleDES.

The rgbKey parameter must be 16 or 24 bytes in length.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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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