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/*
* Copyright © 2012 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _AO_AES_H_
#define _AO_AES_H_
/* ao_aes.c */
extern __xdata uint8_t ao_aes_mutex;
/* AES keys and blocks are 128 bits */
enum ao_aes_mode {
ao_aes_mode_cbc_mac
};
#if HAS_AES
void
ao_aes_isr(void) __interrupt 4;
#endif
void
ao_aes_set_mode(enum ao_aes_mode mode);
void
ao_aes_set_key(__xdata uint8_t *in);
void
ao_aes_zero_iv(void);
void
ao_aes_run(__xdata uint8_t *in,
__xdata uint8_t *out);
void
ao_aes_init(void);
/* ao_radio_cmac.c */
int8_t
ao_radio_cmac_send(__xdata void *packet, uint8_t len) __reentrant;
#define AO_RADIO_CMAC_OK 0
#define AO_RADIO_CMAC_LEN_ERROR -1
#define AO_RADIO_CMAC_CRC_ERROR -2
#define AO_RADIO_CMAC_MAC_ERROR -3
#define AO_RADIO_CMAC_TIMEOUT -4
int8_t
ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentrant;
void
ao_radio_cmac_init(void);
#endif /* _AO_AES_H_ */
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