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The X-CUBE-SBSFU Secure Boot and Secure Firmware Update solution allows the update of the STM32 microcontroller built-in program with new firmware versions, adding new features and correcting potential issues. The update process is performed in a secure way to prevent unauthorized updates and access to confidential on-device data.
In addition, Secure Boot (Root of Trust services) checks and activates STM32 security mechanisms, and checks the authenticity and integrity of user application code before every execution to ensure that invalid or malicious code cannot be run.
The Secure Firmware Update application receives the encrypted firmware image, checks its authenticity, decrypts it, and checks the integrity of the code before installing it.
X-CUBE-SBSFU is built on top of STM32Cube software technology, making the portability across different STM32 microcontrollers easy. It is provided as reference code to demonstrate the state-of-the-art usage of STM32 security protection.
The X-CUBE-SBSFU Expansion Package comes with examples running on the STM32L4 Series, STM32F4 Series, STM32F7 Series, and STM32G0 Series.
X-CUBE-SBSFU is classified ECCN 5D002.主な特徴
- Secure Boot / Root of Trust: boot path cannot be modified. User application authenticity and integrity is checked before execution.
- Secure firmware loader: downloads an encrypted firmware image via UART interface / Ymodem protocol and checks its authenticity and integrity before installing it.
- Dual image support for safe firmware programing:
- Error detection and rollback capabilities during image installation.
- Over The Air firmware download possible from user application.
- Single image support for maximized user application size:
- Error detection without rollback capability during installation.
- Firmware update only possible via the SBSFU application (local loader function).
- Asymmetric and symmetric cryptographic schemes supported:
- ECDSA asymmetric cryptography scheme for firmware verification with AES-CBC decryption.
- ECDSA asymmetric cryptography scheme for firmware verification without decryption.
- AES-GCM symmetric cryptography scheme for firmware verification and decryption.
- Cryptography with integrated firmware preparation scripts delivered as executable and source code for customization flexibility.
- Secure Engine services: protected environment managing all critical data (such as firmware decryption key), and operations (such as cryptography operations).
- STM32 security mechanisms: combination demonstrating the state-of-the-art use of STM32 protections.
ソフトウェア入手
| 製品型番 | 概要 | Software Version | サプライヤ | GitHub link | ダウンロード |
|---|---|---|---|---|---|
| X-CUBE-SBSFU | Secure boot & secure firmware update software expansion for STM32Cube | 2.1.0 | ST | - |
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THIS SOFTWARE PACKAGE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. EXCEPT AS EXPRESSLY PERMITTED HEREUNDER AND SUBJECT TO THE APPLICABLE LICENSING TERMS FOR ANY THIRD-PARTY SOFTWARE INCORPORATED IN THE SOFTWARE PACKAGE AND OPEN SOURCE TERMS AS APPLICABLE, NO LICENSE OR OTHER RIGHTS, WHETHER EXPRESS OR IMPLIED, ARE GRANTED UNDER ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF STMICROELECTRONICS OR ANY THIRD PARTY. |
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ビデオ
MadeForSTM32™ is a new quality label delivered by ST, which is granted after an evaluation process. It helps engineers identify third party solutions with the highest level of integration and quality for the STM32 microcontrollers' ecosystem. MadeForSTM32™ is offered to members of the ST Partner Program who want to go one step further in our collaboration, with the overall objective of contributing to a high-quality STM32 ecosystem.
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