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CngKey.Open Method (String)

Creates an instance of an CngKey object that represents an existing named key.

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

public static CngKey Open(
	string keyName
)

Parameters

keyName
Type: System.String

The name of the key.

Return Value

Type: System.Security.Cryptography.CngKey
An existing key.

ExceptionCondition
ArgumentNullException

keyName is null.

PlatformNotSupportedException

Cryptography Next Generation (CNG) is not supported on this system.

CryptographicException

All other errors.

This overload uses the following defaults:

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5

.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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