NWM Services: Difference between revisions
UDS Data frame NWM header |
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| Line 467: | Line 467: | ||
Official application data is normally stored here as big-endian. | Official application data is normally stored here as big-endian. | ||
==SecureData NWM header== | |||
{| class="wikitable" border="1" | |||
|- | |||
! Offset | |||
! Size | |||
! Description | |||
|- | |||
| 0x0 | |||
| 0x2 | |||
| Size of the entire frame minus the 8 bytes from the LLC header. | |||
|- | |||
| 0x2 | |||
| 0x2 | |||
| unknown | |||
|- | |||
| 0x4 | |||
| 0x2 | |||
| Size of the entire frame minus 12 bytes. | |||
|- | |||
| 0x6 | |||
| 0x1 | |||
| unknown | |||
|- | |||
| 0x7 | |||
| 0x1 | |||
| Data channel | |||
|- | |||
| 0x8 | |||
| 0x2 | |||
| unknown | |||
|- | |||
| 0xA | |||
| 0x2 | |||
| Destination network node id | |||
|- | |||
| 0xC | |||
| 0x2 | |||
| Source network node id | |||
|} | |||
This data is stored as big-endian. | |||
==Structure used for generating the CTR for CCMP key generation== | ==Structure used for generating the CTR for CCMP key generation== | ||