Towards Wearability in Cryptographic Systems: A Novel Architecture Based on Rainbow Scheme for Wearable Devices

摘要

Wearable devices are examples of the Internet of Things, which often enable objects to exchange data with other connected devices, without requiring human intervention. Since quantum computers have been a potential threat to most of the public cryptographic systems, the data security has been the focuses of the users of wearable devices. Among public cryptographic systems, Multivariate Public Key Cryptography (MPKC) is one of the most popular candidates, which can resist quantum computer attacks. MPKC is based on a NP-hard problem, which includes Rainbow, UOV, enTTS schemes. We propose a novel architecture based on Rainbow scheme for wearable devices, which is one of the most efficient schemes of MPKC. In order to validate our design and verify its effectiveness, an experiment is carried out by using TSMC-0.18?μm standard cell CMOS Application Specific Integrated Circuit, which shows that the executing time of Rainbow is 3.8?ms and its area is 3500 gate equivalents. The results demonstrate that our design is well suit for wearable devices.