Echelon OpenLDV - Manual (Page 176)

168 Custom Lookup Extension Component Programming
Syntax
C++ STDMETHOD(GetAdditionalDownlinkPacketTrailer)(BSTR * hexBytes)
Visual Basic Function GetAdditionalDownlinkPacketTrailer() As String
Table 50. GetAdditionalDownlinkPacketHeader Parameters
Parameter Description
hexBytes String to contain returned bytes.
Returns
Hexadecimal string containing the bytes to be appended, two characters per byte.
GetAuthenticationFlag Method
Applies to: Session Control Object
This method obtains the flag that determines whether the xDriver protocol
engine is to use link authentication with an MD5 per-packet digest. This field is
always true for a SmartServer or i.LON 600.
Syntax
C++ STDMETHOD(GetAuthenticationFlag)(VARIANT_BOOL * bAuth)
Visual Basic Function GetAuthenticationFlag() As Boolean
Table 51. GetAuthenticationFlag Parameters
Parameter Description
bAuth Boolean variable that stores the return data.
Returns
xDriver authentication state as Boolean. If True, the xDriver protocol engine
generates and validates link-level authentication. If False, the xDriver protocol
engine neither generates nor validates link-level authentication.
GetCurrentAuthenticationKey Method
Applies to: Session Control Object
This method obtains the current xDriver authentication key.