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ac6 >> ac6-training >> Online Training >> Safety and security >> ARM TrustZone for Cortex-M based devices Download Catalog Download as PDF Write us Printable version

oSEC7 ARM TrustZone for Cortex-M based devices

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Objectives
  • Understand the ARM v8-M architecture and its security features
  • Learn about ARMv8-M Memory Protection mechanism enhancement
  • Configuring the Security Attribution unit
  • How to manage Security access faults
  • How to build and debug a secure and non-secure software
Course environment
  • Students will be given access to a shared filesystem to save and share their work.
  • PDF course material
  • The labs will use a ARM Cortex-M33 based board
Prerequisites
  • Programming skills: Some programming experience, particularly in C
  • Basic knowledge of ARM Cortex-M implementations
  • Basic understanding of Security Algorithms and Secure coding
First Day
ARM Architecture and Security
  • Overview of ARM TrustZone technology
  • TrustZone Architecture
    • Overview of the TrustZone architecture
    • TrustZone-enabled processors and their features
    • Secure world and non-secure world
  • TrustZone security
    • Overview of TrustZone security model
    • TrustZone-enabled Cortex-M
  • Secure Software Design Considerations
ARMv8-M Memory Protection
  • Memory types
  • Access order
  • Memory barriers, self-modifying code
  • Memory protection overview, ARM v8 PMSA
  • Cortex-M33 MPU and bus faults
  • Region overview, memory type and access control
  • Setting up the MPU
Exercise:  Use the MPU to protect an area of memory against unintended access
Cortex-M TrustZone
  • TrustZone-enabled Cortex-M processors and their features
  • Security states
  • Register banking between security states
  • Stacks and security states
  • Security Extension and exceptions
  • Secure and Non-Secure states interactions
  • Exceptions and the Security Extension
    • Handling Secure Exceptions
    • Handling Non-Secure Exceptions while in the Secure state
    • Returning from a Non-Secure exception to the Secure state
  • The Security Attribution Unit (SAU)
  • The Implementation Defined Attribution Unit (IDAU)
  • Debugging TrustZone-enabled Cortex-M processors
Exercise:  Implementing a minimal secure monitor
Exercise:  Programming and Debugging a TrustZone application example
Duration
6 hours
Cost
1800 € HT
Calendar
Session calendar

This course was designed specifically to be provided online, by one of our skilled trainers.

Scheduled classes are confirmed as soon as there is two confirmed bookings.

A version tailored for face-to-face delivery is available under reference SEC1 - Developing Secure Embedded Systems

To book a training session or for more information, please contact us on info@ac6-training.com.

Registrations are accepted till one week before the start date for scheduled classes. For late registrations, please consult us.

You can also fill and send us the Adobe PDF format file registration form

Last update of course schedule: 1 February 2023

Booking one of our trainings is subject to our Adobe PDF format file General Terms of Sales

 

Ac6 SARL
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Last site update: Tue Sep 5 14:36:39 2023
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