25 int ieee802154_security_setup_session(struct ieee802154_security_ctx *sec_ctx, uint8_t level,  in ieee802154_security_setup_session()  argument
43 	sec_ctx->level = level;  in ieee802154_security_setup_session()
58 	sec_ctx->enc.mode_params.ccm_info.tag_len = authtag_len;  in ieee802154_security_setup_session()
59 	sec_ctx->dec.mode_params.ccm_info.tag_len = authtag_len;  in ieee802154_security_setup_session()
61 	memcpy(sec_ctx->key, key, key_len);  in ieee802154_security_setup_session()
62 	sec_ctx->key_len = key_len;  in ieee802154_security_setup_session()
63 	sec_ctx->key_mode = key_mode;  in ieee802154_security_setup_session()
65 	sec_ctx->enc.key.bit_stream = sec_ctx->key;  in ieee802154_security_setup_session()
66 	sec_ctx->enc.keylen = sec_ctx->key_len;  in ieee802154_security_setup_session()
68 	sec_ctx->dec.key.bit_stream = sec_ctx->key;  in ieee802154_security_setup_session()
69 	sec_ctx->dec.keylen = sec_ctx->key_len;  in ieee802154_security_setup_session()
71 	ret = cipher_begin_session(sec_ctx->enc.device, &sec_ctx->enc, CRYPTO_CIPHER_ALGO_AES,  in ieee802154_security_setup_session()
79 	ret = cipher_begin_session(sec_ctx->dec.device, &sec_ctx->dec, CRYPTO_CIPHER_ALGO_AES,  in ieee802154_security_setup_session()
83 		cipher_free_session(sec_ctx->enc.device, &sec_ctx->enc);  in ieee802154_security_setup_session()
91 void ieee802154_security_teardown_session(struct ieee802154_security_ctx *sec_ctx)  in ieee802154_security_teardown_session()  argument
93 	if (sec_ctx->level == IEEE802154_SECURITY_LEVEL_NONE) {  in ieee802154_security_teardown_session()
97 	cipher_free_session(sec_ctx->enc.device, &sec_ctx->enc);  in ieee802154_security_teardown_session()
98 	cipher_free_session(sec_ctx->dec.device, &sec_ctx->dec);  in ieee802154_security_teardown_session()
99 	sec_ctx->level = IEEE802154_SECURITY_LEVEL_NONE;  in ieee802154_security_teardown_session()
131 bool ieee802154_decrypt_auth(struct ieee802154_security_ctx *sec_ctx, uint8_t *frame,  in ieee802154_decrypt_auth()  argument
141 	if (!sec_ctx || sec_ctx->level == IEEE802154_SECURITY_LEVEL_NONE) {  in ieee802154_decrypt_auth()
145 	level = sec_ctx->level;  in ieee802154_decrypt_auth()
154 	ret = cipher_ccm_op(&sec_ctx->dec, &apkt, nonce);  in ieee802154_decrypt_auth()
164 bool ieee802154_encrypt_auth(struct ieee802154_security_ctx *sec_ctx, uint8_t *frame,  in ieee802154_encrypt_auth()  argument
174 	if (!sec_ctx || sec_ctx->level == IEEE802154_SECURITY_LEVEL_NONE) {  in ieee802154_encrypt_auth()
178 	level = sec_ctx->level;  in ieee802154_encrypt_auth()
185 	if (sec_ctx->frame_counter == 0xffffffff) {  in ieee802154_encrypt_auth()
192 	sys_put_be32(sec_ctx->frame_counter, &nonce[8]);  in ieee802154_encrypt_auth()
197 	ret = cipher_ccm_op(&sec_ctx->enc, &apkt, nonce);  in ieee802154_encrypt_auth()
200 			payload_len, sec_ctx->frame_counter);  in ieee802154_encrypt_auth()
204 	sec_ctx->frame_counter++;  in ieee802154_encrypt_auth()
209 int ieee802154_security_init(struct ieee802154_security_ctx *sec_ctx)  in ieee802154_security_init()  argument
213 	(void)memset(&sec_ctx->enc, 0, sizeof(struct cipher_ctx));  in ieee802154_security_init()
214 	(void)memset(&sec_ctx->dec, 0, sizeof(struct cipher_ctx));  in ieee802154_security_init()
221 	sec_ctx->enc.flags = crypto_query_hwcaps(dev);  in ieee802154_security_init()
222 	sec_ctx->dec.flags = crypto_query_hwcaps(dev);  in ieee802154_security_init()
224 	sec_ctx->enc.mode_params.ccm_info.nonce_len = 13U;  in ieee802154_security_init()
225 	sec_ctx->dec.mode_params.ccm_info.nonce_len = 13U;  in ieee802154_security_init()
227 	sec_ctx->enc.device = dev;  in ieee802154_security_init()
228 	sec_ctx->dec.device = dev;  in ieee802154_security_init()