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  • Re: Respuesta a: Desfire with ISO 7816 and AES keys

    11. December 2023 a las 8:48     en respuesta a: Desfire with ISO 7816 and AES keys

    Woman Tops
    It seems like you're facing an issue with the "A4" command on Desfire after selecting a file. To authenticate for reading data with AES keys, you may need to specify the key for encryption when using the Get-Challenge "84" command. However, using external authentication with a 16-byte challenge and generating a 16-byte RND-A results in a length error 67 00. You're wondering if it's possible to authenticate with AES keys in ISO 7816. Any insights on resolving this issue would be appreciated.
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