ARM Unfolds IoT Security Plan

SAN JOSE, Calif. -- ARM acquired Offspark, a Netherlands-based supplier of Transport Layer Security, that will get folded into its mbed operating system for its Cortex-M cores. ARM aims to make mbed, announced in October, a unifying code base for the fragmented Internet of Things, where security is an increasingly key concern.

Offspark's PolarSSL, an implementation of Transport Layer Security (TLS) for embedded systems, "will form the core of the ARM mbed communication security and software cryptography strategy," ARM said in a press release. ARM will give PolarSSL a new name, ARM mbed TLS, and continue to provide it as open source code both as a standalone product and later this year as part of mbed.

ARM will release mbed OS under an Apache 2.0 license which will include mbed TLS, Thread, and other technologies toward the end of 2015. The independent release of mbed TLS 1.3.10, is now available online under GPL and to existing PolarSSL users.

The new software will become part of ARM's so-called Cryptobox technology in mbed OS that enables secure execution and storage. It is expected to be compatible at some level with its existing hardware-backed security solution called TrustZone.

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