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Intrinsic ID QuiddiKey

The accelerating expansion of the Internet of Things brings with it a comparably expanding threat model. The growing number of endpoints require strong identities as the foundation of trust to establish and scale robust security. QuiddiKey is a secure root key generation and management solution that allows device manufacturers to secure their products with an internally generated, unique identity without the need for adding costly, security-dedicated silicon. The hardware IP is based on SRAM Physical Unclonable Function (PUF) technology and is the foundation of a device’s hardware-based root of trust. The IP is agnostic to fab and technology choice and has been deployed in 150 million+ devices. QuiddiKey not only improves time to market and delivers better security at lower TCO, but paves the way for scaling the IoT to billions of devices. Unclonable Identities for the IoT To solve security problems in IoT systems, such as authentication, product lifecycle management, reverse engineering and cloning, every device needs an unclonable identity. This consists of a secret key, a public key and a certificate. The biggest challenge is to get these credentials into the device. QuiddiKey is an embedded hardware IP that creates the secret key of the unclonable identity from within, derived using the intrinsic randomness in uninitialized SRAM. This secret key is not stored but is dynamically regenerated from the SRAM PUF inside a secure perimeter. Completing the unclonable identity requires that a public key be generated from the secret key. And this public key can be turned into a certificate by signing it at a certificate authority. At that point, the device is ready to prove its identity and set up a secure channel with another device, a server or a cloud. Security Based on SRAM PUF At power-up, SRAM bits settle in the one or zero states in a non-deterministic way that not even the manufacturer can predict or duplicate. That’s what makes it a physical unclonable function, or PUF, which can be used as a unique “silicon fingerprint.” An SRAM PUF response is a noisy fingerprint, and turning it into a high-quality and secure key vault requires further processing. This is done with the QuiddiKey hardware IP. QuiddiKey reliably reconstructs the same cryptographic key under all environmental circumstances. Upon first use, called the enrollment, it generates an activation code (AC) which, in combination with the SRAM startup behavior, is used to reconstruct on-demand, in real-time, an intrinsic PUF key. This PUF key is never stored in flash or OTP. When it is needed later it can be reconstructed. The intrinsic PUF key can be used as a root key for key derivation and key wrapping. A key protected by QuiddiKey is integrity protected and can be retrieved only on the same device while it will be meaningless on other devices. QuiddiKey is available in two configurations:
  • QuiddiKey-Plus. Device-unique key creation, derivation, wrapping and management.
  • QuiddiKey-Safe. Device-unique key creation and derivation.
Low Cost, Flexible & Scalable Keys are extracted from the chip, on-demand and do not need to be programmed in NVM or OTP. Furthermore, keys can be provisioned at any suitable stage in the production process. The low footprint and flexible design make QuiddiKey suitable for most semiconductor platforms, and scalable to billions of devices. SRAM PUF Benefits
  • Use standard SRAM
  • Unclonable and immutable
  • Device-unique high-quality keys
  • No secrets when power is off
  • No root key programming
  • Flexible and scalable
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Intrinsic ID Spartan

Intrinsic ID’s Spartan-Cloud is a security software for IoT devices that combines SRAM Physical Unclonable Function (PUF) technology with elliptic curve key agreement. It allows IoT designers to provision their products with secure keys and platform-compliant certificates in a scalable and cost-efficient way. These assets are needed to set up a mutual authentication session upon connection with the cloud platforms like AWS IoT. Authentication requires generation of a device-unique private key that must remain private and secured for the entire life of the device, from manufacturing to end-of-life. By using Spartan-Cloud, the unclonable private key is generated on the device and reconstructed when needed. It is never stored nor exposed and not visible when the device is powered off. Features:
  • Seamless integration with Amazon Web Services IoT SDK
  • Keeps private key secure
  • Strong authentication based on an unclonable device-unique key established from SRAM PUF
  • Well-defined security boundary within the chip
  • Connects to third-party TLS library (e.g. embed TLS)
Benefits:
  • Seamless integration of security into any IoT product – More flexible than adding a SE
  • Lower TCO: no need for a separate crypto chip on the device
  • Internally generates private keys – solves the sensitive key handling problem
  • Tamper-resistant, device-unique unclonable keys that are not stored and never exposed
  • Hardware-based security – In line with the strategic principles of the U.S. Department of Homeland Security for securing the IoT
  • No human intervention required; automatic onboarding to the web service upon initial connection
  • Portable to virtually all CPUs, operating systems, and platforms
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The ROI4CIO Product Catalog is a database of business software, hardware, and IT services. Using filters, select IT products by category, supplier or vendor, business tasks, problems, availability of ROI calculator or price calculator. Find the right business solutions by using a neural network search based on the results of deployment products in other companies.