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Security module promises secure car electronics

26 Nov 2012

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Toshiba Electronics Europe (TEE) has announced a security module for automotive MCUs that the company said meets advanced industry standards geared at protecting vehicle electronics against hacking, tampering and software IP theft. The Toshiba Security Module (TSM) was developed at the company's European Automotive LSI Development Centre (ELDEC) in Düsseldorf, and will be built into future generations of the company's automotive MCU.

The module's firmware is, as a first release step, compliant with the Secure Hardware Extension (SHE) version 1.1 specification of the Herstellerinitiative Software (HIS), a technical collaboration between five leading German carmakers.

Toshiba's TSM is implemented as a hardware security module with its own sub-CPU core that manages a versatile symmetric AES-128 cryptographic engine along with other security elements. As a result the TSM provides high security and tamper resistance without consuming precious host MCU CPU resources.

The company plans to implement its TSM in future variants of its automotive MCUs based on the ARM Cortex processor architecture, and will release software libraries to support the new devices. Future updates of the TSM compliant with upcoming new standards (e.g. in accordance with EVITA Medium requirements) including TSM firmware updates are planned. The related Software libraries for the main MCU CPU will enable developers to design in accordance with the latest version of the automotive industry's common software infrastructure promoting modularity, scalability, transferability and re-usability.

Toshiba's first TSM-enabled microcontrollers are expected to begin sampling in 2Q13.




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