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Concept for the signing the java midlet, Figure 44: prepare midlet for secured mode, 2 concept for the signing the java midlet – Siemens Java TC65 User Manual

Page 75

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TC65 JAVA User's Guide
Strictly confidential / Released

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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