Inside Secure M300 Manuel D’Utilisation
Page 12
P2 : Page number to select and authenticate and cryptographic key to use
Bit
7
6
5
4
3
2
1
0
Function
Reader key number
-
Page number
b7-b4 : Reader key number
This is the reader key number to use during authentication. The reader will use this key number
(EEPROM) to diversify and authenticate the requested page with Kd or Kc.
(EEPROM) to diversify and authenticate the requested page with Kd or Kc.
Note : 0 correspond to Kd0, 1 to Kc0, …, 14 to Kd7 and 15 to Kc7.
b3 : Page’s key to use to perform the authentication
0 : authentication will be performed with page’s debit key.
1 : authentication will be performed with page’s credit key.
b2-b0 : Page number to select
P3 : Chip answer length
This parameter has to be set to 8 as the chip answers the page’s configuration block (8 bytes).
Couplers - Reference Manuel V1.3