Automotive Security的一些资料和心得(4):Automotive Safeguards
2015-08-06 15:21
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通常一辆汽车会包括超过80个ECUs。所有软件代码大小正在快速增加,将会超过1GB。软件protection是必不可少的。
1. 软件保护
1.1. 安全boot
Software violating the integrity cannot be loaded.
目标:Integrity and authenticity of the firmware and OS
解决方案:hash value, digital signatures, physical protection
Root of trust: HSM/SHE security anchor or OTP memory
1.2. 安全update
User signature, User certificate
算法:AES-128, RSA with >= 2048 bit key length, RSA-SSA from PKCS#1 v2.1, CV certificates
1.3. 安全diagnosis and unlock
Online, Offline
2. 安全通讯
V2V, V2D, V2I
"Connected Vehicles: Solutions and Challenges"
2.1 In-Vehicle
In-car network分为4个groups:
- LIN, K-Line, I2C
- CAN, VAN, PLC
- FlexRay, TTP, TTCAN
- MOST, D2B, GigaStar
Gateway with secure rules
Firewall
2.2. Vehicle to Device
2.3. Vehicle to Infrastructure
3. Passive Keyless Entry Systems
版权所有,侵权必究,如需使用请与作者本人联系。
1. 软件保护
1.1. 安全boot
Software violating the integrity cannot be loaded.
目标:Integrity and authenticity of the firmware and OS
解决方案:hash value, digital signatures, physical protection
Root of trust: HSM/SHE security anchor or OTP memory
1.2. 安全update
User signature, User certificate
算法:AES-128, RSA with >= 2048 bit key length, RSA-SSA from PKCS#1 v2.1, CV certificates
1.3. 安全diagnosis and unlock
Online, Offline
2. 安全通讯
V2V, V2D, V2I
"Connected Vehicles: Solutions and Challenges"
2.1 In-Vehicle
In-car network分为4个groups:
- LIN, K-Line, I2C
- CAN, VAN, PLC
- FlexRay, TTP, TTCAN
- MOST, D2B, GigaStar
Gateway with secure rules
Firewall
2.2. Vehicle to Device
2.3. Vehicle to Infrastructure
3. Passive Keyless Entry Systems
版权所有,侵权必究,如需使用请与作者本人联系。
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