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RC2 Constructor

Initializes a new instance of RC2.

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

protected RC2()

You cannot create an instance of an abstract class. Application code will create a new instance of a derived class.

This algorithm supports key lengths from 40 bits to 1024 bits in increments of 8 bits, but the RC2CryptoServiceProvider implementation only supports key lengths from 40 bits to 128 bits in increments of 8 bits.

This method initializes the protected fields of SymmetricAlgorithm to the default values listed in the following table.


Default Value







Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0

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