255 		struct context *c,  in decrypt_wrapper()  argument
277 					     c->rrc.interactions, &request_piv,  in decrypt_wrapper()
288 				 &c->cc.common_iv, &new_nonce));  in decrypt_wrapper()
291 		nonce = c->rrc.nonce;  in decrypt_wrapper()
297 	TRY(create_aad(NULL, 0, c->cc.aead_alg, &request_kid, &request_piv,  in decrypt_wrapper()
302 				&c->rc.recipient_key));  in decrypt_wrapper()
306 		TRY(byte_array_cpy(&c->rrc.nonce, &nonce, NONCE_LEN));  in decrypt_wrapper()
321 					       c->rrc.interactions,  in decrypt_wrapper()
328 		     uint32_t *buf_out_len, struct context *c)  in oscore2coap()  argument
341 	TRY(check_context_freshness(c));  in oscore2coap()
373 		if (!array_equals(&c->rc.recipient_id, &oscore_option.kid)) {  in oscore2coap()
379 		if (ECHO_SYNCHRONIZED == c->rrc.echo_state_machine) {  in oscore2coap()
383 				    ssn, &c->rc.replay_window)) {  in oscore2coap()
390 		TRY(decrypt_wrapper(ciphertext, &plaintext, c, &oscore_option,  in oscore2coap()
393 		if (ECHO_REBOOT == c->rrc.echo_state_machine) {  in oscore2coap()
398 			c->rrc.echo_state_machine = ECHO_VERIFY;  in oscore2coap()
400 		} else if (ECHO_VERIFY == c->rrc.echo_state_machine) {  in oscore2coap()
404 			if (ok == echo_val_is_fresh(&c->rrc.echo_opt_val,  in oscore2coap()
409 					ssn, &c->rc.replay_window));  in oscore2coap()
410 				c->rrc.echo_state_machine = ECHO_SYNCHRONIZED;  in oscore2coap()
418 			TRY_EXPECT(c->rrc.echo_state_machine,  in oscore2coap()
421 						    &c->rc.replay_window);  in oscore2coap()
433 					c->rc.notification_num,  in oscore2coap()
434 					c->rc.notification_num_initialized,  in oscore2coap()
438 				TRY(decrypt_wrapper(ciphertext, &plaintext, c,  in oscore2coap()
445 					&c->rc.notification_num,  in oscore2coap()
446 					&c->rc.notification_num_initialized,  in oscore2coap()
456 				TRY(decrypt_wrapper(ciphertext, &plaintext, c,  in oscore2coap()
462 				TRY(decrypt_wrapper(ciphertext, &plaintext, c,  in oscore2coap()