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Change to secured mode concept, Figure 43: switch to security mode, 1 change to secured mode ) – Siemens Java TC65 User Manual

Page 74: 1 change to secured mode concept

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TC65 JAVA User's Guide
Strictly confidential / Released

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TC65 JAVA User's Guide_V05

Page 74 of 90

26.09.2005

11.2.1

Change to Secured Mode Concept

generate key pair

private key

public key

Customer Environment

generate customer root

certificate

public key from issuer of
the certificate

Customer Root Certificate

(X.509)

AT^SJSEC

binary data of certificate

cmd id

binary data of certificate

build binary data for AT

command AT^SJSEC

Computer

Module

send to module

signature

cmd len


Figure 43: Switch to Security Mode

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