Forum › MIFARE general topics and applications › DESFire EV1 using AES encryption › Reply To: DESFire EV1 using AES encryption
Hi Clark,
You can implement your application with the MIDARE SDK Lite, of course. It is difficult to give examples, because it depends of the needs of your use-case.
Generally you bundle your files to an application and set access rights and keys for that application. This is the architecture of the MIFARE DESFire EV1. Grouping files and access conditions to applications allows a third party also to put its application onto the card. Think about a transport provider issues a transport card and a gift shop which offers booking from a debit account in a separate application on the card.
The DESFire EV1 provides data files, value files and backup files where you can store different data types of your application. For each file you can give access permissions, e.g.: free read access, write access restricted to a key #1, read access encrypted with key #2 etc.
As I mentioned earlier it depends on the type of your use-case…
The MIFARE Team
You can implement your application with the MIDARE SDK Lite, of course. It is difficult to give examples, because it depends of the needs of your use-case.
Generally you bundle your files to an application and set access rights and keys for that application. This is the architecture of the MIFARE DESFire EV1. Grouping files and access conditions to applications allows a third party also to put its application onto the card. Think about a transport provider issues a transport card and a gift shop which offers booking from a debit account in a separate application on the card.
The DESFire EV1 provides data files, value files and backup files where you can store different data types of your application. For each file you can give access permissions, e.g.: free read access, write access restricted to a key #1, read access encrypted with key #2 etc.
As I mentioned earlier it depends on the type of your use-case…
The MIFARE Team
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