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Optional Authentication in Load and Installation flow diagram

JavaCard Applet Development Related Questions and Answers.
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Bruninoit
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Optional Authentication in Load and Installation flow diagram

Post by Bruninoit » Mon Jun 20, 2016 5:35 am

In GlobalPlatform - Card Specification Version 2.1.1, the Authentication part is shown with OPTIONAL Authentication in Load and Installation flow diagram!



I wonder whether it is possible to load and install applet on card without any authentication. Or if I misunderstood this, please correct me.

Thanks
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Tarantino
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Re: Optional Authentication in Load and Installation flow diagram

Post by Tarantino » Mon Jun 20, 2016 6:07 am

You can see this table in part 9. APDU Command Reference.



This figure shows that Both load and install require a secure channel. The diagram you mention may not require an explicit authentication as implicit authentication could also be used.
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Bruninoit
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Re: Optional Authentication in Load and Installation flow diagram

Post by Bruninoit » Mon Jun 20, 2016 10:15 pm

Thanks for your help, bro.
But what's explicit authentication? what's implicit authentication? Could you tell me more?
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