IP networking Interfaces User's Guide

TC65 JAVA User's Guide
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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
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n
d
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m
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l
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signaturecmd len
Figure 43: Switch to Security Mode