For a long time, SIM cards have provided a stable, credible and tested identity security authentication mechanism for mobile phones and other networking devices. However, once the traditional SIM card is installed on the device, its properties cannot be changed, and the mobile network operator (MNO) needs to be changed through physical access.
Arm expects that there will be one trillion connected devices by 2035, and these devices will all require a secure identity, allowing stakeholders to build trust – for example, allowing service providers to trust devices and certify devices , providing value-added services and releasing security updates when needed.
In the future smart cities, rural areas, and industries undergoing digital transformation, we will have billions of connected devices. Many devices will benefit from cellular network connectivity, but physical change SIM cards are not scalable or even Too feasible. In addition to the problem of physical entity access, the integration of this technology into smaller IoT devices to achieve large-scale, low-cost deployment will also face cost and size barriers. To ensure the transparency and interoperability of device identity management with the development of the Internet of Things, it is imperative to simplify technology and increase cost efficiency. The progress in size of the embedded SIM (eSIM) and more recently the integrated SIM (iSIM) is critical to providing secure authentication of cellular IoT devices.
Today, Arm will adopt new technologies that are compliant with the GSMA Embedded SIM specification to provide device manufacturers and service providers secure identity for cellular IoT applications. Integrating MCUs, cellular modems, and SIM authentication into a single IoT system-on-a-chip (SoC), combined with a more hardware-safe on-chip security area architecture such as Arm® CryptoIsland, significantly reduces equipment costs. • Arm Kigen OS provides a scalable, small footprint, GSMA-compliant software stack that fully integrates SIM functionality into IoT SoC designs. The Arm Kigen remote configuration server solution enables a flexible, modular design that easily integrates with the MNO and IoT platforms.
By 2025, up to 4.4 billion IoT devices are expected to access the cellular Internet of Things (Machina, 2017). The solution enables SIM identity authentication (and its associated security levels) at a lower price while enabling more flexible deployment. For operators, chip providers, and module vendors to realize the potential of cellular networking, this step is critical and has received strong support from key ecosystem participants including BT, SoftBank, and Sprint.
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