Select_Key_Mgmnt() - VeriFone MX800 series Programmer's Manual

select_key_mgmnt()

This function selects the Key Management method. It allows selection of Master/
Session and DUKPT methods, either Single DES (1DES) or Triple DES (3DES)
as well as Secure Messaging and Zero Key support.
Prototype
return = select_key_mgmnt(kmm, demf);
int return;
unsigned char kmm, demf;
Parameters
1 char binary encoded 7 6 5 4 3 2 1 0
kmm
---------------
- - - - - 0 0 0
- - - - - 0 0 1
- - - - - 0 1 0
- - - - - 0 1 1
- - - - 0 - - -
- - - - 1 - - -
- - - 0 - - - -
- - - 1 - - - -
- - 0 - - - - -
- - 1 - - - - -
- 0 - - - - - -
- 1 - - - - - -
0 - - - - - - -
1 - - - - - - -
1DES Master/Session (default)
Mixed Mode (1DES & 3DES GISKE)
3DES GISKE Master/Session
Secure Messaging (not supported on M
DUKPT Engine "0" 1DES (default)
DUKPT Engine "0" 3DES
Zero Key Support OFF (default)
Zero Key Support ON
Empty GISKE session key support OFF (default)
Empty GISKE session key support ON
Do not clear the keys
Clear all MS keys and KLK key
MAC Empty Working Key Support OFF (default)
MAC Empty Working Key Support ON
X
M 800 S
IPP L L
EGACY IBRARY
select_key_mgmnt()
x
800 series)
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ERIES ROGRAMMERS UIDE
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