Forum › MIFARE and NFC Reader IC`s › Mifare Desfire EV1 ChangeKey returns Integrity Error (0x1E) › Reply To: Mifare Desfire EV1 ChangeKey returns Integrity Error (0x1E)
Hi,
KeyNo had to be set to 0x80. The 2 most-significant bits define the crypto mode of the new key, needed to be set to '10' for AES. The code example in the "EV1-Features and hints" and "EV2-Features and hints" define this parameter as 0x00.
KeyNo had to be set to 0x80. The 2 most-significant bits define the crypto mode of the new key, needed to be set to '10' for AES. The code example in the "EV1-Features and hints" and "EV2-Features and hints" define this parameter as 0x00.
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