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FpcVpnDiffieHellmanGroup enumeration

Applies to: desktop apps only

The FpcVpnDiffieHellmanGroup enumerated type contains values that specify the Diffie-Hellman groups that can be used in Phase 1 or Phase 2 of the Internet Protocol security (IPsec) negotiation process. The Diffie-Hellman group sets the length of the base prime numbers used during the key exchange process. The cryptographic strength of any key derived depends, in part, on this length.

Syntax


typedef enum FpcVpnDiffieHellmanGroup { 
  fpcVpnDHGroup1       = 0,
  fpcVpnDHGroup2       = 1,
  fpcVpnDHGroup2048    = 2,
  fpcVpnDHECPGroup256  = 3,
  fpcVpnDHECPGroup384  = 4
} FpcVpnDiffieHellmanGroup;

Constants

fpcVpnDHGroup1

Diffie-Hellman Group 1, which provides a keying strength of 768 bits.

fpcVpnDHGroup2

Diffie-Hellman Group 2, which provides a keying strength of 1,024 bits.

fpcVpnDHGroup2048

Diffie-Hellman Group 2048, which provides a keying strength of 2,048 bits.

fpcVpnDHECPGroup256

Diffie-Hellman 256-bit Random ECP Group.

fpcVpnDHECPGroup384

Diffie-Hellman 384-bit Random ECP Group.

Requirements

Minimum supported client

Windows Vista

Minimum supported server

Windows Server 2008 R2, Windows Server 2008 with SP2 (64-bit only)

Version

Forefront Threat Management Gateway (TMG) 2010

Header

Comenum.h

See also

Enumerated Types

 

 

Build date: 7/12/2010

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