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ICT An Approach for Designing Secure and Safe ICT Devices in The Cloud Computing Era
UPKI
GPS
IC
SuicaICOCA
U-Japan
CT
GPS
e
ETC ITS
• • •
• • •
• • •
( )
( )
•256 p
•m (m 20) •
LAN ( )
LSI
�
�
• •
• •4
y 2 = x 3 + ax + b
x
y
P, Q �
P
Q �
P Q
JST A-STEP LSI
SASEBO GII
PC
CVMA 20
binary ( )
( )
Get!!
• • •
• • •
•
HW
HW
HW
1
3
2
0.1
0 10000 20000 300000
0.02
0.04
0.06
0.08
Number of Traces
Cor
rela
tion
Cdc 10 nF, Byte 8
Simulated
Number of Traces
Cor
rela
tion
Cdc 10 nF, Byte 8
0 10000 20000 300000
0.02
0.04
0.06
0.08
0.1
Measured
8000 traces 8500 traces
IC/LSI
IC
ion
0 06
0.08
Chip
Printed Circuit Board
Chasis
VRM
Chip
0 0.2 0.4 0.6 0.8 11.4
1.5
1.6
1.7
1.8
Time [�s]
Vol
tage
[V]
(SCOPE) ICT