Phase1Encryption Property of the IFPCVpnNetworkIPSecSettings Interface

Article
08/13/2010

The Phase1Encryption property gets or sets a value from the FpcVpnEncryptionAlgorithm enumerated type that specifies the encryption algorithm to be used in Phase 1 of the IPsec negotiation process. The possible algorithms are the Data Encryption Standard (DES) algorithm, which uses a 56-bit key, and the Triple Data Encryption Standard (3DES) algorithm, which uses three 56-bit keys.

C++

HRESULT put_Phase1Encryption(
    FpcVpnEncryptionAlgorithm Phase1Encryption
);
HRESULT get_Phase1Encryption(
    FpcVpnEncryptionAlgorithm* pPhase1Encryption
);

Parameters

Phase1Encryption
Value from the FpcVpnEncryptionAlgorithm enumerated type that specifies the encryption algorithm to be used in Phase 1 of the IPsec negotiation process.
pPhase1Encryption
Pointer to a value from the FpcVpnEncryptionAlgorithm enumerated type that is set on return to the value specifying the encryption algorithm to be used in Phase 1 of the IPsec negotiation process.

Return Value

These property methods return S_OK if the call is successful; otherwise, they return an error code.

Visual Basic

Property Phase1Encryption As FpcVpnEncryptionAlgorithm

Property Value

Value from the FpcVpnEncryptionAlgorithm enumerated type that specifies the encryption algorithm to be used in Phase 1 of the IPsec negotiation process.

Remarks

This property is read/write. Its default value is fpcVpn3DES, which specifies the 3DES algorithm.

Requirements

Client	Requires Windows 7 or Windows Vista.
Server	Requires Windows Server 2008 R2 or Windows Server 2008 x64 Edition with SP2.
Version	Requires Forefront Threat Management Gateway (TMG) 2010.
IDL	Declared in Msfpccom.idl.
DLL	Requires Msfpccom.dll.

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