topic Session Key Generation - CMAC - DESFire Light in NFC https://community.nxp.com/t5/NFC/Session-Key-Generation-CMAC-DESFire-Light/m-p/998177#M6477 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I was wondering if there exists any demo code or library I can use for the session key generation during the DESFire Light &amp; EV2 authentication sequence. Specifically, the CMAC calculation. I can successfully authenticate; but I've tried multiple solutions and I'm unable to&nbsp;calculate&nbsp;the correct session key.</P><P></P><P>Thank you</P></BODY></HTML> Mon, 18 Nov 2019 03:11:32 GMT wilmer_suarez 2019-11-18T03:11:32Z Session Key Generation - CMAC - DESFire Light https://community.nxp.com/t5/NFC/Session-Key-Generation-CMAC-DESFire-Light/m-p/998177#M6477 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I was wondering if there exists any demo code or library I can use for the session key generation during the DESFire Light &amp; EV2 authentication sequence. Specifically, the CMAC calculation. I can successfully authenticate; but I've tried multiple solutions and I'm unable to&nbsp;calculate&nbsp;the correct session key.</P><P></P><P>Thank you</P></BODY></HTML> Mon, 18 Nov 2019 03:11:32 GMT https://community.nxp.com/t5/NFC/Session-Key-Generation-CMAC-DESFire-Light/m-p/998177#M6477 wilmer_suarez 2019-11-18T03:11:32Z