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TI, ARM team to secure wireless transactions

Posted: 02 Jul 2004 ?? ?Print Version ?Bookmark and Share

Keywords:omap? wireless? trustzone? arm1176jzf-s core? tcs chip?

Texas Instruments Inc. and ARM Ltd are combining their respective Omap and TrustZone technologies to develop a silicon-based system for secure wireless transactions.

Dallas-based TI said extending its collaboration with ARM is part of its strategy to address growing security concerns among mobile service providers, wireless original equipment manufacturers and mobile devices users.

Initially, TI will implement ARM's TrustZone technology on its Omap platform and family of TCS chip sets by using the recently licensed ARM1176JZF-S core.

The companies said they are responding to the growing problem of phone thefts, which means securing information stored and protecting a phone's identity has become even more critical. Software security vulnerability can result in the theft of reprogrammable phones, illegal upgrades and network switching as well as network vulnerabilities. ARM said its TrustZone technology also enables protection of code and data across the memory architecture. The ARM1176JZ-S and ARM1176JZF-S CPUs are the first ARM cores to incorporate its TrustZone technology, which aims to enhance security in portable consumer devices.

The security technology is implemented within the microprocessor core and extended into the system design. The partners said the approach will secure on-chip memory and peripherals. The system's security elements are designed into the core hardware, thereby removing security issues surrounding proprietary, nonportable solutions outside the core.

- John Walko

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