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ECDiffieHellmanCng.DeriveSecretAgreementHandle Method (ECDiffieHellmanPublicKey)

Gets a handle to the secret agreement generated 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 SafeNCryptSecretHandle DeriveSecretAgreementHandle(
	ECDiffieHellmanPublicKey otherPartyPublicKey
)

Parameters

otherPartyPublicKey
Type: System.Security.Cryptography.ECDiffieHellmanPublicKey

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

Return Value

Type: Microsoft.Win32.SafeHandles.SafeNCryptSecretHandle
A handle to the secret agreement. This information is calculated from the current object's private key and the specified public key.

ExceptionCondition
ArgumentNullException

otherPartyPublicKey is null.

ArgumentException

otherPartyPublicKey is not an ECDiffieHellmanPublicKey key.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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