| 发明名称 |
DISTRIBUTING SECRET KEYS FOR MANAGING ACCESS TO ECUS |
| 摘要 |
A system and method of controlling access to electronic control units (ECUs) includes: receiving, at an ECU supplier computer, a supplier encryption key derived from a master encryption key using a supplier identifier that identifies an ECU supplier; issuing an ECU identifier that identifies an ECU and includes the supplier identifier; generating for the ECU an ECU unlock authorization key using the supplier encryption key and the ECU identifier; and storing the ECU unlock authorization key and the ECU identifier in the ECU. |
| 申请公布号 |
US2016099806(A1) |
申请公布日期 |
2016.04.07 |
| 申请号 |
US201414508355 |
申请日期 |
2014.10.07 |
| 申请人 |
GM Global Technology Operations LLC |
发明人 |
Racklyeft David W.;Nairn David M.;Forest Thomas M. |
| 分类号 |
H04L9/08;H04W12/04;H04L29/06 |
主分类号 |
H04L9/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of controlling access to electronic control units (ECUs), comprising the steps of:
(a) receiving, at an ECU supplier computer, a supplier encryption key derived from a master encryption key using a supplier identifier that identifies an ECU supplier; (b) issuing an ECU identifier that identifies an ECU and includes the supplier identifier; (c) generating for the ECU an ECU unlock authorization key using the supplier encryption key and the ECU identifier; and (d) storing the ECU unlock authorization key and the ECU identifier in the ECU. |
| 地址 |
Detroit MI US |
