Supply voltage glitches effects on CMOS circuits

被引:9
|
作者
Djellid-Ouar, Anissa [1 ,2 ]
Cathebras, Guy [1 ]
Bancel, Frederic [2 ]
机构
[1] LIRMM, UMR 5506, 161 Rue Ada, F-34492 Montpellier 5, France
[2] STMicroelect, Smartcard Div, F-13106 Rousset, France
关键词
D O I
10.1109/DTIS.2006.1708651
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Among the attacks applied on secure circuits, fault injection techniques consist in the use of a combination of environmental conditions that induce computational errors in the chip that can leak protected informations. The purpose of our study is to build an accurate model able to describe the behaviour of CMOS circuits in presence of deliberated short supply voltage variations. This behaviour depends strongly on the basic gates (combinational logic, registers...) that make up the circuit. In this paper., we show why D-flip-flop are resistant to power supply glitches occurring between clock transitions and we propose an approach to evaluate the basic elements sensitivities towards faults generated by power glitches. Our aimed model Nvill consequently be dependent on this sensitivity.
引用
收藏
页码:257 / 261
页数:5
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