JSSC 2024第1期Clocking & PLLsIntel 4 CMOS

A 100-Gbps Fault-Injection Attack-Resistant AES-256 Engine With 9919999 Error Co

一款抗故障注入攻击的AES-256加密引擎，采用Intel 4 CMOS工艺，实现100Gbps吞吐量和99.1%错误覆盖率。

Intel 4 CMOS, 100Gbps, 99.1% error coverage, 13,400× laser injection margin

故障注入攻击AES-256激光检测奇偶校验加密加速器

▸算术和基于奇偶校验的检测电路分别检测AES非线性和线性部分的运行时故障

▸复合域GF(2^4)^2逆校验器和冗余仿射奇偶校验电路

▸全数字激光检测电路(LDC)提供13,400倍抗激光脉冲注入能力

Abstract

Fault-injection (FI) attacks exploit corrupted ciphertexts from cryptographic hardware to extract the embed- ded secret key using directed laser pulses or voltage/clock glitches. Laser FI attacks mounted on an unprotected fully unrolled advanced encryption standard (AES)-256 engine in Intel 4 CMOS process demonstrate a minimum-time-to- disclosure (MTD) of 6.6 M encryptions to generate eight exploitable ciphertexts, reducing AES key search space to a single guess with differential fault analysis