User's Manual

32
PASSWORD
45 55 54 52 4F 4E 00 00
00 00 00 00 00 00 00 00
Password (
"EUTRON"
)
Table 12
Exchange of information for the READING MODE command
If the dongle found on the indicated port, with correct Label and Password values, the Data field will count the first 64
bytes of the read Secure Data, and in the case of dongles SP, XM and NET , the ExpData field will count the remaining
352 bytes.
9.5
Writing mode
If the Password is known, the Secure Data can be written in the same way specified for reading. The WRITING
function modifies on-line the contents of the Secure Data.
The WRITING_MODE command allow the access of the first 416 bytes of memory. If the dongle has more than 416
bytes of memory, you must use the BLOCK_WRITING command to completely access it.
The exchange of information is organized like this:
Models PR, EP, SP, XM, NET
Input COMMAND ‘W’
LPT Port
LABEL Label
PASSWORD Password
DATA Data to be written
EXT_DATA Extended data to be written (for models SP, XM and NET only)
Output STATUS Status
==0 Success
!=0 Error
Table 13
WRITING MODE command parameters
If the password passed to the dongle is incorrect,
the data present in the Secure Data register are not changed.
9.5.1 Parameter transfer
Parameters needing to be transferred to execute a WRITING operation on a dongle fitted on the on the LPT1 parallel
port:
LPT
01 00
Port
COMMAND
57 00
Reading (
"W"
)
LABEL
53 4D 41 52 54 4B 45 59
00 00 00 00 00 00 00 00
Label ("SMARTKEY")
PASSWORD
45 55 54 52 4F 4E 00 00
00 00 00 00 00 00 00 00
Password (
"EUTRON"
)
DATA
XX XX XX XX XX XX XX XX
…
Data
EXT_DATA
XX XX XX XX XX XX XX XX
…
Ext Data
Table 14 Exchange of information for the WRITING MODE command
If the dongle is found on the indicated port and if the Label and Password values are correct, the Data field (and
possibly the ExtData field if the dongle as enough memory) will be transferred to the dongle's Secure Data
With the dongle present but with an incorrect Password, the Secure Data will not be modified.