keys.h

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#ifndef INFUSE_SDK_INCLUDE_INFUSE_EPACKET_KEYS_H_
#define INFUSE_SDK_INCLUDE_INFUSE_EPACKET_KEYS_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include <zephyr/sys/util.h>
 
#include <psa/crypto.h>


enum epacket_key_type {
        EPACKET_KEY_NETWORK = 0,
        EPACKET_KEY_DEVICE = BIT(7),
};

enum epacket_key_interface {
        EPACKET_KEY_INTERFACE_SERIAL = 0,
        EPACKET_KEY_INTERFACE_UDP = 1,
        EPACKET_KEY_INTERFACE_BT_ADV = 2,
        EPACKET_KEY_INTERFACE_BT_GATT = 3,
        EPACKET_KEY_INTERFACE_NUM,
        EPACKET_KEY_INTERFACE_MASK = 0x7F,
};

int epacket_key_derive(psa_key_id_t base_key, const uint8_t *info, uint8_t info_len, uint32_t salt,
                       psa_key_id_t *output_key_id);

psa_key_id_t epacket_key_id_get(uint8_t key_type, uint32_t key_identifier, uint32_t key_rotation);

int epacket_key_delete(psa_key_id_t key_id);
 
#ifdef CONFIG_INFUSE_SECURITY_CHACHA_KEY_EXPORT

int epacket_key_export(psa_key_id_t key_id, uint8_t key[32]);
 
#endif /* CONFIG_INFUSE_SECURITY_CHACHA_KEY_EXPORT */

int epacket_key_extension_network_add(psa_key_id_t key_id, uint32_t network_id);

 
#ifdef __cplusplus
}
#endif
 
#endif /* INFUSE_SDK_INCLUDE_INFUSE_EPACKET_KEYS_H_ */