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