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Compact Coprocessor for KEM Saber: Novel Scalable Matrix Originated Processing

June 7, 2021


Jiafeng Xie - Villanova University


Recent advance in the quantum computing field has initiated a new round of cryptosystem innovation as the existing public-key cryptosystems are proven to be vulnerable against the attacks launched from a mature quantum computer. Along with this innovation, several types of cryptographic algorithms have been proposed for possible post-quantum cryptography (PQC) candidates, where the lattice-based key encapsulation mechanism (KEM) Saber is one of the promising cryptosystems. Noticing that the recent trend in the field has switched more on the efficient implementation of PQC algorithms, in this paper, we propose to present a novel compact coprocessor for KEM Saber on the field-programmable gate array (FPGA) platform. Particularly, the proposed strategy aims to obtain a generic method suits for different security levels of Saber with flexible processing styles yet with low-complexity.

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Related Topics

Security and Privacy: post-quantum cryptography

Created June 07, 2021, Updated June 10, 2021