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Update desfire_crypto.c

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Coverty 344484 - ensure AES IV is at least 16 bytes long.
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mwalker33 2021-06-22 18:55:23 +10:00
commit bcc137af1d
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4
client/src/mifare/desfire_crypto.c
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@ -335,6 +335,10 @@ void mifare_kdf_an10922(const desfirekey_t key, const uint8_t *data, size_t len)
return;
}
// AES uses 16 byte IV
if (kbs < 16)
kbs = 16;
cmac_generate_subkeys(key, MCD_SEND);
// reserv atleast 32bytes.