VeriFone MX800 Series - Select_Key_Mgmnt()

IPP LEGACY LIBRARY
select_key_mgmnt()
M
X
800 SERIES PROGRAMMERS GUIDE 227
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
kmm 1 char binary encoded 7 6 5 4 3 2 1 0
---------------
- - - - - 0 0 0 1DES Master/Session (default)
- - - - - 0 0 1 Mixed Mode (1DES & 3DES GISKE)
- - - - - 0 1 0 3DES GISKE Master/Session
- - - - - 0 1 1
Secure Messaging (not supported on M
x
800 series)
- - - - 0 - - - DUKPT Engine "0" 1DES (default)
- - - - 1 - - - DUKPT Engine "0" 3DES
- - - 0 - - - - Zero Key Support OFF (default)
- - - 1 - - - - Zero Key Support ON
- - 0 - - - - - Empty GISKE session key support OFF (default)
- - 1 - - - - - Empty GISKE session key support ON
- 0 - - - - - - Do not clear the keys
- 1 - - - - - - Clear all MS keys and KLK key
0 - - - - - - - MAC Empty Working Key Support OFF (default)
1 - - - - - - - MAC Empty Working Key Support ON