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ECDiffieHellmanCng Constructor (CngKey)

Initializes a new instance of the ECDiffieHellmanCng class by using the specified CngKey object.

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

public ECDiffieHellmanCng(
	CngKey key
)

Parameters

key
Type: System.Security.Cryptography.CngKey
The key that will be used as input to the cryptographic operations performed by the current object.

ExceptionCondition
ArgumentNullException

key is null.

ArgumentException

key does not specify an Elliptic Curve Diffie-Hellman (ECDH) algorithm group.

PlatformNotSupportedException

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

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

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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