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I want to know how to write an applet for sign and verify message using with DES symmetric key or AES. I need applet code for the same in applet we should not use RSA key and key pair. I am new to Java card please give me valuable answers I need to understand applets by basic

bujji
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  • Please help me in this @Mjay – bujji Jul 06 '23 at 10:05
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    Look up AES-CMAC, e.g. [here](https://stackoverflow.com/questions/36762644/aes-cmac-in-java-card) – Maarten Bodewes Jul 06 '23 at 23:08
  • Search for your answer in this site: https://javacardos.com/javacardforum/ – MJay Jul 15 '23 at 07:50
  • You need to first make sure if your card support AES-CMAC. then take a look at the link Maarten shared above. If you know Java, you can write the applet using ready to use templates like this: https://javacardos.com/wiki/javacard-api-samples/aes – MJay Jul 25 '23 at 08:03

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