Siemens Java TC65 - Manual (Page 75)

TC65 JAVA User's Guide
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TC65 JAVA User's Guide_V05 Page 75 of 90 26.09.2005
11.2.2 Concept for the Signing the Java MIDlet
private key
Customer Environment
g
ener
a
te H
A
S
H
Java-MIDlet
JAR-File
Java-MIDlet
JAD-File
JAR-File HASH (SHA1)
e
n
c
odi
n
g
w
it
h
pr
iv
a
te k
e
y
encoded JAR-File HASH
add the signature (is base64
encoded) into the JAD file as the
value of the MIDlet-Jar-RSA-SHA1
attribute
enc
od
ing ba
s
e64
Figure 44: Prepare MIDlet for Secured Mode