Merge branch 'feature/bluedroid_min_encr_key_size' into 'master'

BT/Bluedroid : Add support to set min encryption key size requirement

See merge request espressif/esp-idf!6122
This commit is contained in:
Jiang Jiang Jian 2019-09-25 11:56:48 +08:00
commit 976423c8c3
6 changed files with 57 additions and 6 deletions

View file

@ -267,14 +267,25 @@ typedef enum {
typedef enum {
ESP_BLE_SM_PASSKEY = 0,
/* Authentication requirements of local device */
ESP_BLE_SM_AUTHEN_REQ_MODE,
/* The IO capability of local device */
ESP_BLE_SM_IOCAP_MODE,
/* Initiator Key Distribution/Generation */
ESP_BLE_SM_SET_INIT_KEY,
/* Responder Key Distribution/Generation */
ESP_BLE_SM_SET_RSP_KEY,
/* Maximum Encryption key size to support */
ESP_BLE_SM_MAX_KEY_SIZE,
/* Minimum Encryption key size requirement from Peer */
ESP_BLE_SM_MIN_KEY_SIZE,
/* Set static Passkey */
ESP_BLE_SM_SET_STATIC_PASSKEY,
/* Reset static Passkey */
ESP_BLE_SM_CLEAR_STATIC_PASSKEY,
/* Accept only specified SMP Authentication requirement */
ESP_BLE_SM_ONLY_ACCEPT_SPECIFIED_SEC_AUTH,
/* Enable/Disable OOB support */
ESP_BLE_SM_OOB_SUPPORT,
ESP_BLE_SM_MAX_PARAM,
} esp_ble_sm_param_t;
@ -377,7 +388,7 @@ typedef struct {
advertising reports for each packet received */
} esp_ble_scan_params_t;
/// connection parameters information
/// connection parameters information
typedef struct {
uint16_t interval; /*!< connection interval */
uint16_t latency; /*!< Slave latency for the connection in number of connection events. Range: 0x0000 to 0x01F3 */
@ -598,7 +609,7 @@ typedef enum {
typedef enum {
ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_INFO_ADV_ADDR = 0, /*!< BLE advertising address , device info will be added into ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_ADDR_LIST */
ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_INFO_MESH_LINK_ID, /*!< BLE mesh link ID, it is for BLE mesh, device info will be added into ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_MESH_LINK_ID_LIST */
ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_INFO_MESH_BEACON_TYPE, /*!< BLE mesh beacon AD type, the format is | Len | 0x2B | Beacon Type | Beacon Data | */
ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_INFO_MESH_BEACON_TYPE, /*!< BLE mesh beacon AD type, the format is | Len | 0x2B | Beacon Type | Beacon Data | */
ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_INFO_MESH_PROV_SRV_ADV, /*!< BLE mesh provisioning service uuid, the format is | 0x02 | 0x01 | flags | 0x03 | 0x03 | 0x1827 | .... |` */
ESP_BLE_DUPLICATE_SCAN_EXCEPTIONAL_INFO_MESH_PROXY_SRV_ADV, /*!< BLE mesh adv with proxy service uuid, the format is | 0x02 | 0x01 | flags | 0x03 | 0x03 | 0x1828 | .... |` */
} esp_ble_duplicate_exceptional_info_type_t;

View file

@ -48,6 +48,7 @@ tBTE_APPL_CFG bte_appl_cfg = {
BTM_BLE_INITIATOR_KEY_SIZE,
BTM_BLE_RESPONDER_KEY_SIZE,
BTM_BLE_MAX_KEY_SIZE,
BTM_BLE_MIN_KEY_SIZE,
BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE,
BTM_BLE_OOB_DISABLE,
};
@ -407,7 +408,7 @@ void bta_dm_co_ble_set_rsp_key_req(UINT8 rsp_key)
void bta_dm_co_ble_set_max_key_size(UINT8 ble_key_size)
{
#if (SMP_INCLUDED == TRUE)
if(ble_key_size >= BTM_BLE_MIN_KEY_SIZE && ble_key_size <= BTM_BLE_MAX_KEY_SIZE) {
if(ble_key_size >= bte_appl_cfg.ble_min_key_size && ble_key_size <= BTM_BLE_MAX_KEY_SIZE) {
bte_appl_cfg.ble_max_key_size = ble_key_size;
} else {
APPL_TRACE_ERROR("%s error:Invalid key size value, key_size =%d",__func__, ble_key_size);
@ -415,6 +416,17 @@ void bta_dm_co_ble_set_max_key_size(UINT8 ble_key_size)
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_min_key_size(UINT8 ble_key_size)
{
#if (SMP_INCLUDED == TRUE)
if(ble_key_size >= BTM_BLE_MIN_KEY_SIZE && ble_key_size <= bte_appl_cfg.ble_max_key_size) {
bte_appl_cfg.ble_min_key_size = ble_key_size;
} else {
APPL_TRACE_ERROR("%s error:Invalid key size value, key_size =%d",__func__, ble_key_size);
}
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_accept_auth_enable(UINT8 enable)
{
#if (SMP_INCLUDED == TRUE)

View file

@ -206,6 +206,8 @@ extern void bta_dm_co_ble_set_rsp_key_req(UINT8 rsp_key);
extern void bta_dm_co_ble_set_max_key_size(UINT8 ble_key_size);
extern void bta_dm_co_ble_set_min_key_size(UINT8 ble_key_size);
extern void bta_dm_co_ble_set_accept_auth_enable(UINT8 enable);
extern UINT8 bta_dm_co_ble_get_accept_auth_enable(void);

View file

@ -1196,6 +1196,12 @@ void btc_gap_ble_call_handler(btc_msg_t *msg)
bta_dm_co_ble_set_max_key_size(key_size);
break;
}
case ESP_BLE_SM_MIN_KEY_SIZE: {
uint8_t key_size = 0;
STREAM_TO_UINT8(key_size, value);
bta_dm_co_ble_set_min_key_size(key_size);
break;
}
case ESP_BLE_SM_SET_STATIC_PASSKEY: {
uint32_t passkey = 0;
for(uint8_t i = 0; i < arg->set_security_param.len; i++)

View file

@ -31,6 +31,7 @@ typedef struct {
UINT8 ble_init_key;
UINT8 ble_resp_key;
UINT8 ble_max_key_size;
UINT8 ble_min_key_size;
UINT8 ble_accept_auth_enable;
UINT8 oob_support;
#endif
@ -48,4 +49,4 @@ typedef struct {
#endif
} tBTE_BT_APPL_CFG;
extern tBTE_BT_APPL_CFG bte_bt_appl_cfg;
extern tBTE_BT_APPL_CFG bte_bt_appl_cfg;

View file

@ -36,6 +36,7 @@
#include "smp_int.h"
#include "device/controller.h"
#include "btm_int.h"
#include "common/bte_appl.h"
#define SMP_PAIRING_REQ_SIZE 7
#define SMP_CONFIRM_CMD_SIZE (BT_OCTET16_LEN + 1)
@ -1140,9 +1141,27 @@ BOOLEAN smp_pairing_request_response_parameters_are_valid(tSMP_CB *p_cb)
return FALSE;
}
if ((enc_size < SMP_ENCR_KEY_SIZE_MIN) || (enc_size > SMP_ENCR_KEY_SIZE_MAX)) {
/* `bte_appl_cfg.ble_min_enc_key_size` will be `SMP_ENCR_KEY_SIZE_MIN` by
* default if not set explicitly */
#if (BLE_INCLUDED == TRUE)
if (enc_size < bte_appl_cfg.ble_min_key_size) {
SMP_TRACE_WARNING("Rcvd from the peer cmd 0x%02x with Maximum Encryption \
Key value (0x%02x) out of range).\n",
Key value (0x%02x) less than minimum required key size).\n",
p_cb->rcvd_cmd_code, enc_size);
return FALSE;
}
#else
if (enc_size < SMP_ENCR_KEY_SIZE_MIN) {
SMP_TRACE_WARNING("Rcvd from the peer cmd 0x%02x with Maximum Encryption \
Key value (0x%02x) less than minimum required key size).\n",
p_cb->rcvd_cmd_code, enc_size);
return FALSE;
}
#endif
if (enc_size > SMP_ENCR_KEY_SIZE_MAX) {
SMP_TRACE_WARNING("Rcvd from the peer cmd 0x%02x with Maximum Encryption \
Key value (0x%02x) greater than supported by stack).\n",
p_cb->rcvd_cmd_code, enc_size);
return FALSE;
}