Hey all,
I have been playing around with Xen and Dom0 on a Juno r0 board. Currently dom0 is failing to initailize USB. This is an issue because the rootfs depends on the usb.
usb 1-1: new high-speed USB device number 2 using ehci-platform
usb 1-1: device…
I want to find and download as follow document.
> ARM Architecture Reference Manual Security Extensions Supplement
If you have its location URL, could you please tell me it ?
Or how can I do above ?
Root of Trust implementation – Connected devices with authentication requirements need a root of trust in the system architecture. This is particularly important for devices that can be updated over the air. In a system with TrustZone technology, code…
From "ARM v8-M Architecture Reference Manual", about IDAU I see:
The IDAU can provide the following Security attribution information for an address:
• Security attribution exempt. This specifies that the address is exempt from security attribution…
Hi guys,
I found in armv8-arch ref manual that when PRIS bit in the AIRCR is set, the priority of non-secure handler is mapped to the bottom of the priority range. So I did an experiment.
I configured two exceptions, systick and svc. The priority are 2…
Hello All,
Requirements:
I could find some options, however, I cannot differentiate…
Arm TrustZone was introduced to the Arm architecture A-profile in 2003. At the heart of the TrustZone approach is the concept of Secure and Normal worlds that are hardware separated. Secure hardware resources are…
This is the second in a two-part post from Arm Principal Researcher Dr Nathan Chong on his joint research with Tyler Sorensen (Imperial College London) and Dr John Wickerson (Research Fellow, Imperial College London), and published as a PLDI 2018 Distinguished…
This is the first in a two-part post from Arm Principal Researcher Dr Nathan Chong on his joint research with Tyler Sorensen (Imperial College London) and Dr John Wickerson (Research Fellow, Imperial College London). This research was published as a PLDI…
I have been providing a high level introduction to Platform Security Architecture at the Tech Symposia in USA and Asia over the last couple of weeks. Since interest is high I thought I would share my slides so they can receive a wider audience.
The architecture…
The Arm Architecture is continually evolving, and this blog gives a high-level overview of some of the changes made in Armv8.4-A*. We develop these changes by listening to the Arm Ecosystem and working with them to provide new functionality…
Security concerns for all connected devices have moved to the top of the agenda for manufacturers, but in the case of automotive, where safety is paramount, and large financial liabilities exist, robust security is imperative. Arm is playing its part…
The recent deployment of connected devices, as part of the evolution of the Internet of Things (IoT), has led to a major increase in the number of IoT-based cyber-attacks. These attacks…
