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ECDiffieHellmanCng.DeriveKeyMaterial Method (ECDiffieHellmanPublicKey)

Derives the key material that is generated from the secret agreement between two parties, given an ECDiffieHellmanPublicKey object that contains the second party's public key.

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

public override byte[] DeriveKeyMaterial(
	ECDiffieHellmanPublicKey otherPartyPublicKey
)

Parameters

otherPartyPublicKey
Type: System.Security.Cryptography.ECDiffieHellmanPublicKey

The public key from the other party in the key exchange.

Return Value

Type: System.Byte[]
A byte array that contains the key material. This information is generated from the secret agreement that is calculated from the current object's private key and the specified public key.

ExceptionCondition
ArgumentNullException

otherPartyPublicKey is null.

ArgumentException

otherPartyPublicKey is not an ECDiffieHellmanCngPublicKey key.

Windows 7, Windows Vista, Windows Server 2008 R2, Windows Server 2008

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
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