Change to secured mode concept, Figure 43: switch to security mode, 1 change to secured mode ) – Siemens TC65 User Manual
Page 74: 1 change to secured mode concept
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TC65 JAVA User's Guide
Strictly confidential / Released
s
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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