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drivers/at86rf2xx: remove get NETOPT_ENCRYPTION_KEY

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setting NETOPT_ENCRYPTION_KEY in device driver was redundant
because it is also done in the ieee802154 netdev driver
and the key is transfered to the hardware in the ieee802154
security implementation
This commit is contained in:
Fabian Hüßler 2021-02-27 23:00:25 +01:00
parent 8a7f3ab6fa
commit 750435509e
2 changed files with 0 additions and 21 deletions
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4
drivers/at86rf2xx/at86rf2xx.c
View File

@ -233,10 +233,6 @@ void at86rf2xx_reset(at86rf2xx_t *dev)
IS_USED(MODULE_AT86RF2XX_AES_SPI)
dev->netdev.sec_ctx.dev.cipher_ops = &_at86rf2xx_cipher_ops;
dev->netdev.sec_ctx.dev.ctx = dev;
/* All configurations of the security module, the SRAM content,
and keys are reset during DEEP_SLEEP or RESET state. */
at86rf2xx_aes_key_write_encrypt(dev,
dev->netdev.sec_ctx.cipher.context.context);
#endif
/* State to return after receiving or transmitting */

17
drivers/at86rf2xx/at86rf2xx_netdev.c
View File

@ -629,23 +629,6 @@ static int _set(netdev_t *netdev, netopt_t opt, const void *val, size_t len)
break;
#endif /* MODULE_NETDEV_IEEE802154_OQPSK */
#if IS_USED(MODULE_AT86RF2XX_AES_SPI) && \
IS_USED(MODULE_IEEE802154_SECURITY)
case NETOPT_ENCRYPTION_KEY:
assert(len >= IEEE802154_SEC_KEY_LENGTH);
at86rf2xx_aes_key_write_encrypt(dev, val);
if (memcmp(dev->netdev.sec_ctx.cipher.context.context, val, len)) {
/* If the key changes, the frame conter can be reset to 0*/
dev->netdev.sec_ctx.frame_counter = 0;
}
memcpy(dev->netdev.sec_ctx.cipher.context.context, val,
IEEE802154_SEC_KEY_LENGTH);
res = IEEE802154_SEC_KEY_LENGTH;
break;
#endif /* IS_USED(MODULE_AT86RF2XX_AES_SPI) && \
IS_USED(MODULE_IEEE802154_SECURITY) */
default:
break;
}