JavaCard OS • Which algrithom do we use to do INITILIZE UPDATE and EXTERNAL AUTHENTICATION?

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Which algrithom do we use to do INITILIZE UPDATE and EXTERNAL AUTHENTICATION?

Posted: Wed Dec 09, 2015 3:46 am

by lightupdark

Which algorithm do we usually use to do INITIALIZE UPDATE and EXTERNAL AUTHENTICATION? Are there any specifications talking about this?

Re: Which algrithom do we use to do INITILIZE UPDATE and EXTERNAL AUTHENTICATION?

Posted: Fri Dec 11, 2015 3:43 am

by mabel

As GP spec 2.1.1 shows, these three keys are all using DES to do computation.

DES_KEY.png