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How to install applet to java cards

JavaCard Applet Development Related Questions and Answers.
Utyr2017
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How to install applet to java cards

Post by Utyr2017 » Fri Sep 29, 2017 10:42 pm

I have been done much research on how to install applet to java cards, and I've figured out the whole Load and Install APDUs. But I don't know which commands need to be sent to the card before the start of the loading. I am a little confused about this. Here are my questions.
a. Do I need to select the OPEN -application before sending Load+Install commands?
b. And also, do I need to open some kinds of secure channel?

chico0609
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Re: How to install applet to java cards

Post by chico0609 » Sat Sep 30, 2017 1:52 am

Utyr2017 wrote:a. Do I need to select the OPEN -application before sending Load+Install commands?

Yes. You need to select the Issuer Security Domain.

Utyr2017 wrote:b. And also, do I need to open some kinds of secure channel?

Yes. You need to open a secure channel. This process includes the INITIALIZE UPDATE and EXTERNAL AUTHENTICATE commands.

kosullivan
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Re: How to install applet to java cards

Post by kosullivan » Sat Oct 07, 2017 9:51 pm

Do you particularly want to code this or it sufficient to just use a tool? There are plenty (pyApduTool, GPShell, GlobalPlatformPro, etc etc) and if you are looking to implement in code there are a few good libraries out there, depending on which language you want to use.

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