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ARM TrustZone and Discretix CryptoCell Technologies Combined to Create Next-Generation Security for Mobile Content


Complementary technologies will be available as a complete security system; benefits include resistance to both hardware and software attacks, performance optimization and compliance with major industry standards

CAMBRIDGE, UK AND SAN MATEO, CA - Nov. 16, 2006 ARM [(LSE: ARM); (Nasdaq: ARMHY)] and Discretix, the leading provider of embedded security solutions for mobile devices and flash memory, today announced at the ARM® Connected Community Symposium, Paris, France, the collaboration towards a groundbreaking joint security solution for mobile devices. The combined solution will integrate ARM TrustZone® technology with Discretix’ CryptoCell™ technology, creating a robust trusted environment for mobile content that is compliant with major industry standards.

“As rich mobile content becomes ubiquitous, and technologies such as Near Field Communications (NFC) enable mobile contactless payment devices, turning your phone into your e-wallet, the security of portable devices is coming under greater scrutiny. With increasing occurrences of mobile fraud, content hacking and virus transmission, operators and businesses stand to lose significant revenues if action is not taken,” said Michael Dimelow, director of marketing, Embedded Software, ARM. “TrustZone Software has become the de facto standard in mobile security, and when combined with Discretix CryptoCell technology, we can deliver a robust and flexible solution accessible to all.”

“The Discretix CryptoCell security system is already part of many mobile platforms, making it a strategic enhancement for ARM TrustZone technology. SoC designers who are looking to build the most advanced mobile systems would greatly benefit from such joint architecture,” said Edo Ganot, EVP, Sales and Business Development of Discretix. “The combined solution is designed to ensure that mobile devices running open operating systems conform to the highest security requirements.”

The integration of TrustZone and CryptoCell technologies creates a tightly coupled, high-performance security solution combining hardware and software components. At the hardware level, the solution includes the CryptoCell platform and TrustZone Hardware. At the software layer, the solution includes TrustZone Software, Discretix security middleware and Discretix multi-scheme DRM agent.

Through the combination of TrustZone and CryptoCell technologies, OEMs will be able to implement secure execution environments to protect critical assets in open system architectures with the added benefit of low power, high-throughput cryptographic acceleration technology.

As a secure extension to the ARM architecture, TrustZone technology is targeted specifically at securing mobile phones, PDAs, set-top boxes or other consumer products running open operating systems such as Symbian, Linux and Windows CE. Through its implementation within the microprocessor core, TrustZone technology creates a secure execution environment to protect applications from software attacks.

Discretix’ CryptoCell technology is an embedded hardware and software system designed to protect and enable mobile device applications. The flexible platform offers an outstanding level of security while overcoming the challenges of performance, power consumption and silicon footprint. The CryptoCell architecture can be tailored to meet a variety of requirements for robust security solutions, and can be deployed across a wide range of platforms and operating systems. As part of this collaboration, Discretix has joined the ARM Connected Community.

ARM TrustZone technology is available for licensing now from ARM and consists of TrustZone technology-enabled ARM processors, TrustZone technology-aware ARM Fabric IP and ARM TrustZone Software.

About ARM
ARM designs the technology that lies at the heart of advanced digital products, from mobile, home and enterprise solutions to embedded and emerging applications. ARM’s comprehensive product offering includes 16/32-bit RISC microprocessors, data engines, graphics processors, digital libraries, embedded memories, peripherals, software and development tools, as well as analog functions and high-speed connectivity products. Combined with the company’s broad Partner community, they provide a total system solution that offers a fast, reliable path to market for leading electronics companies. More information on ARM is available at

About Discretix


Discretix and CryptoCell are trademarks of Discretix, Ltd.

ARM and TrustZone are registered trademarks of ARM Limited . All other brands or product names are the property of their respective holders. “ARM” is used to represent ARM Holdings plc; its operating company ARM Limited; and the regional subsidiaries ARM INC.; ARM KK; ARM Korea Ltd.; ARM Taiwan Ltd; ARM France SAS; ARM Consulting (Shanghai) Co. Ltd.; ARM Belgium N.V.; AXYS Design Automation Inc.; ARM Germany GmbH; ARM Embedded Solutions Pvt. Ltd.; ARM Physical IP, Inc.; and ARM Norway, AS.


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