SecureRF demonstrates future-proof security for the IoT

SecureRF demonstrates future-proof security for the IoT

Technology News |
By Wisse Hettinga

The Walnut Digital Signature Algorithm (WalnutDSA) from SecureRF is a lightweight, quantum-resistant signature scheme for use in passive and low-energy IoT devices. It delivers more efficient performance over products like the Elliptic Curve Digital Signature Algorithm (ECDSA) by utilizing SecureRF’s breakthrough linear-in-time Group Theoretic methods.

The demonstration at the ST Developers Conference 2017 in Santa Clara, CA, shows the performance difference between WalnutDSA verification and the ECDSA verification tool found in the STM32CubeExpansion crypto library from STMicroelectronics. The demo provides a visual comparison between WalnutDSA’s 2.31 millisecond execution time and ECDSA’s 74.8 millisecond time to complete the same operation.

The demonstration also includes the Ironwood Key Agreement Protocol (Ironwood KAP) from SecureRF. This is a quantum-resistant, Diffie-Hellman style authentication protocol. Ironwood is optimized for both cost and power and delivers at least thirty times more efficient performance than Elliptic Curve Cryptography (ECC).

SecureRF’s CTO, Derek Atkins, commented: “SecureRF’s fast, small-footprint security solutions provide strong authentication and data protection for a variety of devices, such as STM32 microcontrollers. Engineers working with ARM-based MCUs can easily and quickly implement WalnutDSA and Ironwood KAP, which will protect their devices even when quantum computers become available and render currently used methods obsolete.”

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